Recent Publications of Heavy Ion Laboaratory

238. B. Zheng, N. Iketa, Y. Takeda, K. Sato, R. Sato, H. Amekura, K. Oyoshi, K. Kono, M.E. Edwards, M. Song, D. Ila, and N. Kishimoto, "FIB fabrication and irradiation test of stencil masks for heavy-ion patterned implantation for plasmonic application", Nucl. Instrum. Methods Phys. Res. B Vol. 272, pp. 183-187 (2012).

237. B. Zheng, N. Iketa, K. Sato, R. Sato, M. Song, Y. Takeda, H. Amekura, K. Oyoshi, K. Kono, D. Ila, and N. Kishimoto, "Development and irradiation performance of stencil masks for heavy-ion patterned implantation", Surf. Coat. Technol. Vol. 206, pp. 806-8011 (2011).

236. H. Amekura, N. Ishikawa, N. Okubo, M.C. Ridgway, R. Giulian, K. Mitsuishi, Y. Nakayama, Ch. Buchal, S. Mantl, and N. Kishimoto, Zn nanoparticles irradiated with swift heavy ions at low fluences: Optically-detected shape elongation induced by non-overlapping ion-tracks, Phys. Rev. B 83, 205401 (2011).

235. M.C. Ridgway, R. Giulian, D.J. Sprouster, P. Kluth, L.L. Araujo, D.J. Llewellyn, A.P. Byrne, F. Kremer, P.F.P. Fichtner, G. Rizza, H. Amekura, and M. Toulemonde, Role of Thermodynamics in the Shape Transformation of Embedded Metal Nanoparticles Induced by Swift Heavy-Ion Irradiation, Phys. Rev. Lett. 106, 095505 (2011).

234. C.H. Aaronson, H. Amekura, Y. Sato, and N. Kishimoto“Vacuum fluorescent displays utilizing ZnO nanoparticles" , J. Appl. Phys. Vol. 109, pp. 024506-1 ~ 7 (2011).

233. H. Amekura, M. Tanaka, Y. Katsuya, H. Yoshikawa, M. Ohnuma, Y. Matsushita, K. Kobayashi, and N. Kishimoto, Melting-solidification transition of Zn nanoparticles embedded in SiO2: Observation by synchrotron x-ray and ultraviolet-visible-near-infrared light, J. Appl. Phys. Vol. 108, pp. 104302-1 ~ 7 (2010).

232. K. Oyoshi, S. Nigo, J. Inoue, O. Sakai, H. Kitazawa, and G. Kido, Formation and disruption of current paths of anodic porous alumina films by conducting atomic force microscopy, Appl. Surf. Sci. 257, 837-841 (2010).

231 . B. Zheng, M. Song, B. Chhay, Z. Xiao, R.L. Zimmerman, A. Sharma, N. Kishimoto, and D. Ila, Spectroscopic analysis of dipole interaction of metallic nanoparticles in dielectric multilayer dielectric thin film, Vacuum Vol. 84, pp. 1302-1305 (2010).

230. H. Amekura, M. Tanaka, Y. Katsuya, H. Yoshikawa, H. Shinotsuka, S. Tanuma, M. Ohnuma, Y. Matsushita, K. Kobayashi, Ch. Buchal, S. Mantl, and N. Kishimoto, Melting of Zn nanoparticles embedded in SiO2 at high temperatures: Effects on surface plasmon resonances. Appl. Phys. Lett.Vol. 96, pp. 023110-1 ~ 023110-3 (2010).

229. S. Okuji, H. Boldyryeva, Y. Takeda, and N. Kishimoto, Characteristics of poly(viniylidene difluoride) modified by plasma-based ion implantation, Nucl. Instrum. Methods B, Vol. 267, pp. 1557-1560 (2009).

228. H. Amekura, H.-S. Wang, S. Hishita, J. Pan, N. Kishimoto, Ch. Buchal, and S. Mantl, Microstrip structures of ZnO nanoparticle aggregates of millimetric length formed by selected-area ion implantation and thermal oxidation, Nanotechnology, Vol. 20, pp. 065303-1 ~ 6 (2009).

227. H. Amekura and N. Kishimoto, Semiconductor oxide nanoparticles - Fabrication by ion implantation and thermal oxidation -, Kotai-Butsuri (Solid State Physics) Vol 44, pp. 149-161 (2009) [in Japanese].

226. H. Amekura and N. Kishimoto, Fabrication of oxide nanoparticles by ion implantation and thermal oxidation, in "Lecture Notes in Nanoscale Science and Technology" (Springer, 2009) Vol. 5, Chap. 1, pp. 1-75.

225. H. Wang, J. Pan, Y. Takeda, N. Umeda, K. Kono, H. Amekura, and N. Kishimoto, Optical propagation modified by Cu nanoparticle grating fabricated by heavy ion implantation, Vacuum , Vol. 82, pp. 1168-1171 (2008).

224. N. Umeda, H. Amekura, and N. Kishimoto, Void formation in silica glass induced by thermal oxidation after Zn+ ion implantation, Vacuum Vol. 83, pp. 645-648 (2008).

223. Y. Takeda, H. Momida, M Ohnuma, T. Ohno, and N. Kishimoto, Wavelength dispersion of nonlinear dielectric function of Cu nanoparticle materials, Optics Express, Vol. 16, pp. 7471-7480 (2008).

222. J. Pan, Y. Takeda, H. Amekura, Y. Nakayama, M. Song, and N. Kishimoto, Nanogroove formation by ion irradiation on indentation-modified amorphous SiO2, Nanotechnology Vol. 19, pp. 375306-1 ~ 7 (2008).

221. J. Pan, H. Wang, Y. Takeda, N. Umeda, H. Amekura, K. Kono, and N. Kishimoto, Enhanced nanoparticle formation by indentation and annealing on 2 MeV Cu ion-implanted SiO2, Vacuum Vol. 83, pp. 641-644 (2009).

220. H. Amekura, Nanoparticle Composites, Chemical Engineering Vol. 53, pp. 619 - 623 (2008) [in Japanese].

219. H. Amekura, M. Ohnuma, N. Kishimoto, Ch. Buchal, and S. Mantl, Fluence-dependent formation of Zn and ZnO nanoparticles by ion implantation and thermal oxidation: An attempt to control nanoparticle size, J. Appl. Phys. Vol. 104, pp. 114309-1 ~ 8 (2008).

218. H. Amekura and N. Kishimoto, Effects of high-fluence ion implantation on colorless diamond self-standing films, J. Appl. Phys. Vol. 104, pp. 063509-1 ~ 063509-6 (2008).

217. O.A. Plakisin, Y. Takeda, H. Amekura, N. Kishimoto, S. Plaksin, Saturation of nonlinear optical absorption of metal-nanparticle composites. J. Appl. Phys. Vol. 103(2008) pp. 114302-1 ~ 114302-5.

216. Y. Takeda, O.A. Plaksin, and N. Kishimoto, Dispersion of nonlinear dielectric function of Au nanoparticles in silica glass, Optics Express, Vol. 15, pp. 6010-6018 (2007).

215. H.-S. Wang, Y. Takeda, N. Umeda, K. Kono, and N. Kishimoto, 2D spatioal control of metal nanoparticles by multi laser-lithography and heavy-ion irradiation, Nucl. Instrum. Methods B, Vol. 257, pp. 20-24 (2007).

214. N. Umeda, H. Amekura, and N. Kishimoto, Void formation in silica glass induced by thermal annealing after Zn+ ion implantation. Proc. of the 9th International Symp on Sputtering & Plasma Processes (ISSP2007), pp. 425-428 (2007).

213. J. Pan, H. Wang, Y. Takeda, N. Umeda, H. Amekura, K. Kono, and N. Kishimoto, Effect of indentation and annealing on 2 MeV Cu ion-implanted SiO2. Proc. of the 9th International Symp on Sputtering & Plasma Processes (ISSP2007), pp. 17-20 (2007).

212 .Y. Takeda, O.A. Plaksin, H.-S. Wang and N. Kishimoto, Optical nonlinearity of Au nanoparticles fabricated by negative ion implantation, Nucl. Instrum. Methods B, Vol. 257, pp. 47-50 (2007).

211. H. Amekura, M. Yoshitake, O.A. Plaksin, N. Kishimoto, and Ch. Buchal, Ion implantation induced nonequilibrium reaction between Zn ions of 60 keV and SiO2 target. ,Appl. Phys. Lett. Vol. 91 (2007) pp.063113-1 ~ 3.

210. Jin PAN, Haisong Wang, Y. Takeda, K. Kono, H. Amekura, and N. Kishimoto, Effect of indentation and annealing on 2 MeV Cu ion-implanted SiO2, Nucl. Instrum. Methods B Vol. 257, pp. 585-588 (2007).

209. H. Amekura, Y. Sakuma, M. Yoshitake, Y. Takeda, N. Kishimoto, and Ch. Buchal, Defect-band-free luminescence from ZnO nanoparticles fabricated by ion implantation and thermal oxidation. Nucl. Instrum. Methods B, Vol. 257, pp. 64-67 (2007).

208. H. Amekura and N. Kishimoto, Review: Fabrication of ZnO Nanoparticles in Silica Glass by Ion Implantation Combined with Thermal Oxidation.J. Vac. Soc. Jpn. Vol. 50, pp. 128-134 (2007).

207. O.A. Plaksin, Y. Takeda, H. Amekura, K. Kono and N. Kishimoto, Stability of metal nanocomposites under heavy-ion bombardment of insulators, Nucl. Instr. and Meth. B 250, pp. 220-224 (2006).

206. H. Amekura, O.A. Plaksin, N. Kishimoto and Ch. Buchal, Annealing atmosphere effects on Zn nanoparticles in SiO2 and transformation to ZnO nanoparticles, Surf. and Coatings Tech. Vol. 210, pp. 8214-8218 (2007).

205. H. Amekura, N. Umeda, K. Kono, Y. Takeda, N. Kishimoto, Ch. Buchal, and S. Mantl, Dual surface plasmon resonances in Zn nanoparticles in SiO2: an experimental study based on optical absorption and thermal stability, Nanotechnology, vol. 18, pp. 395707-1 ~ 395707-6 (2007).

204. H. Amekura, N. Umeda, H. Boldyryeva, and N. Kishimoto, Ch. Buchal, and S. Mantl, Embedment of ZnO nanoparticles in SiO₂by ion implantation and low-temperature oxidation, Appl. Phys. Lett.90, (2007) pp. 083102 .

203. H. Amekura, N. Umeda, Y. Takeda, and N. Kishimoto, Optical transitions of Cu₂O nanocrystals in SiO₂ fabricated by ion implantation and two-step annealing Appl. Phys. Lett.89,(2006)pp. 223120 .

202. H. Amekura, O. A. Plaksin, M. Yoshitake, Y. Takeda, and N. Kishimoto, Ch. Buchal, Production of Cu₂O nanoparticles in SiO₂ by ion implantation and two-step annealing at different oxygen pressures, J. Phys. D: Appl. Phys.39 (2006) 3659–3664.

201. H. Amekura, O. A. Plaksin, M. Yoshitake, Y. Takeda, and N. Kishimoto, Ch. Buchal, Atomic force microscopy and x-ray photoelectron spectroscopy studies of ZnO nanoparticles on SiO₂fabricated by ion implantation and thermal oxidation, Appl. Phys. Lett.89, 023115 (2006).

200. H. Amekura, N. Umeda, Y. Sakuma, O. A. Plaksin, Y. Takeda, and N. Kishimoto, Zn and ZnO nanoparticles fabricated by ion implantation combined with thermal oxidation, and the defect-free luminescence, Appl. Phys. Lett.88, 153119 (2006).

199. H. Yokomichi, T. Futakuchi, H. Amekura, N. Kishimoto, Improvement in thermal stability of B–C–N thin films fabricated by magnetron sputtering using graphite and BN co-target, Vacuum80 (2006) 748–751.

198. H. Amekura, Y. Sakuma, K. Kono, Y. Takeda, N. Kishimoto, Ch. Buchal, Luminescence from ZnO nanoparticles/SiO₂fabricated by ion implantation and thermal oxidation, Physica B 376–377 (2006) 760–763.

197. H. Amekura, O. A. Plaksin, N. Umeda, K. Kono, N. Kishimoto, Ch. Buchal,Concentration profiles of Zn ions implanted with 60 keV for nanoparticle formation in silica glass, Vacuum 80 (2006) 802–805.

196. K. Masuo, O. A. Plaksin, Y. Fudamoto, N. Okubo, Y. Takeda, N. Kishimoto, Effects of laser irradiation on nanoparticle evolution in SiO₂implanted with Cu ions, Nucl. Instr. and Meth. in Phys. Res. B 247 (2006) 268–270.

195. Oleg Plaksin, Yoshihiko Takeda, Hiroshi Amekura, and Naoki Kishimotol,Radiation-induced differential optical absorption of metal nanoparticles, Appl. Phys. Lett.88, (2006)pp. 201915.

194. Oleg Plaksin, Yoshihiko Takeda, Hiroshi Amekura, and Naoki Kishimotol, Electronic excitation and optical responses of metal-nanoparticle composites under heavy-ion implantation, J. Appl. Phys. 99, (2006)pp. 044307.

193. H. Amekura, N. Umeda, M. Yoshitake, K. Kono, N. Kishimoto, Ch. Buchal, Formation processes of zinc-oxide nanoparticlesl by ion implantation combined with thermal oxidation, J. Cryst. Growth 287 (2006) pp.2-6.

192. O.A. Plaksin, Y. Takeda, N. Okubo, V.T. Gritsyna, H. Boldyryeva, H. Biederman, K. Kono, N. Kishimoto, Ultra-fast non-linear optical response of metal-nanocluster composites prepared by the method of dynamic ion mixing of polymers, Nonlinear Optics, Quantum Optics, 34 (2005) pp.279-282.

191. O.A. Plaksin, Y. Takeda, K. Kono, N. Umeda, H. Amekura, N. Kishimoto, Ion-induced optical response of nanocomposites in sapphire, Nucl. Instr. and Meth. in Phys. Res. B 242 (2006) 118-120.

190. H. Amekura, O.A. Plaksin, N. Umeda, Y. Takeda, N. Kishimoto, A Short Review and Present Status of ZnO Nanoparticle Formation by Ion Implantation Combined with Thermal Oxidation, Mat. Res. Soc. Symp. Proc. 908E (2006).

189. H. Amekura, K. Kono, N. Kishimoto, Ch. Buchal, Formation of zinc-oxide nanoparticles in SiO₂ by ion implantation combined with thermal oxidation, Nucl. Instr. and Meth. in Phys. Res. B 242 (2006) pp.96-99.

188. O. A. Plaksin, Y. Takeda, H. Amekura, K. Kono, N. Umeda, Y. Fudamoto, N. Kishimoto, Formation of Cu nanocluster composites in LiNbO₃ by ion implantation, APF10, (2005).

187. H. Amekura, K. Kono, Y. Takeda, N. Kishimoto, Cupric oxide nanoparticles in SiO₂ fabricated by copper-ion implantation combined with thermal oxidation, Appl. Phys. Lett. 87,153105(2005).

186. Y. Takeda, Oleg Plaxine, K. Kono, N. Kishimoto, Nonlinear optical properties of Cu nanoparticles in various insulators fabricated by negative ion implantation, Surf. & Coat. Tech. 196 (2005) pp.30-33.

185. Y. Takeda, Oleg Plaxine, J. Lu, N. Kishimoto, Optical nonlinearity of metal nanoparticle composites fabricated by negative ion implantation, Proc. of ISSP2005, (2005.6).

184. K. Kono, Sunil Arora, N. Kishimoto, Modifications of optical and properties of negative copper ion-irradiated ZnO, Proc. of APF-10, (2005).

183. Y. Takeda, Oleg Plaxine, K. Kono, H. Amekura, N. Kishimoto, Optical property and nonlinearity of metal nanoparticle composites fabricated by negative ion implantation, Proc. of APF-10, (2005) pp.29-38.

182. H. Amekura, Y. Takeda, K. Kono, Y. Fudamoto, H. Kitazawa, N. Kishimoto, Magnetic and Optical Properties of nickel nanoparticles in SiO₂ Fabricated by Negative-ion Implantation, Proc. of APF-10, (2005).

181. H. Amekura, N. Umeda, Y. Sakuma, N. Kishimoto, Fabrication of ZnO nanoparticles in SiO₂by ion implantation combined with thermal oxidation, Appl. Phys. Lett. 87 (2005) pp.013109.

180. O.A. Plaksin, Y. Takeda, K. Kono, H. Amekura, N. Umeda, N. Kishimoto, Optical effects in silica glass during implantation of 60keV Cu- ions, Appl. Surf. Sci. 244 (2005) pp.79-83.

179. Vassili Bandourko, N. Umeda, Oleg Plaksin, N. Kishimoto, Heavy-ion-induced luminescence of amorphous SiO₂ during nanoparticle formation, Nucl. Instr. and Meth. in Phys. Res. B 230 (2005) pp.471-475.

178. H. Boldyryeva, N. Umeda, O.A. Plaksin, Y. Takeda, N. Kishimoto, High-fluence implantation of negative metal ions into polymers for surface modification and nanoparticle formation, Surf. & Coat. Tech. 196 (2005) pp.373-377.

177. O.A. Plaksin, Y. Takeda, K. Kono, N. Umeda, Y. Fudamoto, N. Kishimoto, Surface and bulk properties of Cu nanocluster composites in LiNbO_3, Mater. Sci. and Eng. B 120 (2005) pp.84-87.

176. H. Amekura, Y. Fudamoto, Y. Takeda, N. Kishimoto, Curie transition of superparamagnetic nickel nanoparticles in silica glass: A phase transition in a finite size system, Phys. Rev. B 71,172404 (2005).

175. H. Amekura, N. Umeda, Y. Takeda, J. LU, K. Kono, N. Kishimoto, Formation processes of nickel oxide nanoparticles in SiO₂ by metal-ion implantation combined with thermal oxidation, Nucl. Instr. and Meth. in Phys. Res. B 230 (2005) pp.193-197.

174. O.A. Plaksin, Y. Takeda, H. Amekura, N. Umeda, K. Kono, N. Okubo, N. Kishimoto, Optical monitoring of nanoparticle formation during negative 60keV Cu ion implantation into LiNbO_3, Appl. Surf. Sci. 241, (2005) pp.213-217.

173. O.A. Plaksin, Y. Takeda, N. Okubo, H. Amekura, K. Kono, N. Kishimoto, Electronic transitions in silica glass during heavy-ion implantation, Thin solid films, 464-465 (2004) pp.264-267.

172. Y. Takeda, J. Lu, O.A. Plaksin, K. Kono, H. Amekura, N. Kishimoto, Control of nonlinearity of metal nanoparticle composites fabricated by negative ion implantation, Thin solid films, 464-465 (2004) pp.483-486.

171. H. Amekura, Y. Takeda, N. Kishimoto, Magneto-optical Kerr spectra of nickel nanoparticles in silica glass fabricated by negative-ion implantation, Thin Solid films, Vol.464-465(2004) pp.268-272.

170. H. Amekura, N. Umeda, Y. Takeda, J. Lu, N. Kishimoto, Fabrication of nickel oxide nanoparticles in SiO₂by metal-ion implantation combined with thermal oxidation, Appl. Phys. Lett., Vol.85 (2004)pp.1015-1017.

169. Oleg Plaksin, N. Kishimoto, T. Shikama, Non-linear optical properties of silica-glass-core-fiber waveguides under intense pulsed reactor irradiation, J. Nucl. Mat. Vol.329-333 (2004) pp.1490-1494.

168. H. Amekura, N. Umeda, N. Kishimoto, Near-surface sensitive infrared reflection spectroscopy on SiO₂ implanted with high-flux negative ions, Vacuum74 (2004) pp.549-553.

167. Y. Takeda, J. Lu, N. Okubo, Oleg Plaksin, T. Suga, N. Kishimoto, Optical Properties of metal nanoparticles synthesized in insulators by negative ion implantation, Vacuum74 (2004) pp.717-721.

166. Oleg Plaksin, Y. Takeda, H. Amekura, K. Kono, T. Suga, N. Kishimoto, Light emission during negative heavy ion implantation into lithium niobate and sapphire, Vacuum74 (2004) pp.367-371.

165. H. Amekura, Y. Takeda, N. Kishimoto, Criteria for surface plasmon resonance energy of metal nanoparticles in silica glass, Nucl. Instr. and Meth. in Phys. Res. B, Vol.222 (2004) pp.96-104.

164. H. Amekura, Y. Takeda, K. Kono, N. Kishimoto, Magneto-optical Kerr Effects of Nickel Nanoparticles in SiO₂Fabricated by Negative-ion Implantation of 60keV, Trans. Mat. Res. Soc. of Japan, (2004).

163. H. Amekura, H. Kitazawa, N. Umeda, Y. Takeda, N. Kishimoto, Nickel Nanoparticles in Silica Glass Fabricated by 60keV Negative-ion Implantation, Nucl. Instr. and Meth. in Phys. Res. B, Vol.222 (2004) pp.114-122.

162. H. Amekura, H. Kitazawa, N. Kishimoto, Non-magnetic to Magnetic and Non-metal to Metal Transitions in Nickel Nanoparticles in SiO₂ under Heat treatment, Nucl. Instr. and Meth. in Phys. Res. B, Vol.219-220 (2004) pp.825-829.

161. C.G. Lee, T. Ohmura, Y. Takeda, S. Matsuoka, N. Kishimoto , Radiation-induced swelling and softening in magnesium aluminate spinel irradiated with high-flux Cu- ions, J. Nucl. Mat. Vol.326 (2004) pp.211-216.

160. H. Amekura, N. Umeda, Y. Takeda, H. Kitazawa, N. Kishimoto, Size and Depth Distributions of Nickel Nanoparticles in SiO₂ Fabricated by Negative-ion Implantation of 60keV, Trans. Mat. Res. Soc. of Japan, Vol.28 (2003) pp.465-468.

159. H. Amekura, Y. Takeda, K. Kono, Y. Kitazawa, N. Kishimoto, Modifications of Metal Nanoparticles in SiO₂by Thermal Oildation, Rev. Adv. Mat. Sci. Vol.5 (2003) pp.178-182.

158. H. Yokomichi, F. Sakai, M. Ichihara, S. Nimori, N. Kishimoto, Attempt to Control Carbon Nanotubes Morphology by High Magnetic Field under Thermal CVD, Mater.Trans., (2003 in press).

157. H. Yokomichi, S. Futakuchi, M. Yasuoka, N. Kishimoto, Fabrication of Amorphous Boron-Carbon-Nitrogen Films by Hot-Wire CVD, J. Non-Cryst.Solids, Vol.338-340 (2004) pp.509-512.

156. N. Kishimoto, N. Okubo, Oleg Plaksin, Y. Takeda, Electronic Excitation Effects on Radiation Damage in Insulators under Ion Irradiation, J. Nucl. Mat. Vol.329-333(2004) pp.1048-1052.

155. Oleg Plaksin, N. Okubo, Y. Takeda, H. Amekura, K. Kono, N. Umeda, N. Kishimoto, Optical Transitions in Silica Glass during Heavy Ion Implantation, Trans. Mat. Res. Soc. of Japan, 29/2 (2004) pp.623-626.

154. N. Kishimoto, Hanna Boldyryeva, N. Umeda, J. Lu, Y. Takeda, Fabrication of Nanoparticle-Insulator Composites by Negative, Trans. Mat. Res. Soc. Japan, (2003).

153. Y. Takeda, J. Lu, N. Okubo, K. Kono, Oleg Plaksin, N. Kishimoto, Nonlinear Optical Response of Metal Nanoparticle Composites for Optical Applications, Trans. Mat. Res. Soc. Japan, (2003).

149. N. Kishimoto, N. Okubo, Oleg Plaksin, J. Lu, Y. Takeda, Stability of Nanoparticles in LiiNbO₃ Induced by Negative Cu Ion and Ultrafast Nonlinear Optical Property, Nucl. Instr. and Meth. in Phys. Res. B, Vol.218 (2004) pp.416-420.

148. N. Kishimoto, Oleg Plaksin, N. Umeda, Y. Takeda, Atomic Transport in Insulators under High-flux Heavy-Ion Implantation, Nucl. Instr. and Meth. in Phys. Res. B, Vol.219-220 (2004) pp.810-814.

147. H. Boldyryeva, N. Kishimoto, Oleg Plaksin, N. Okubo, N. Umeda, Y. Takeda, Surface Modification and Nanoparticle Formation by Negative Ion Implantation of Polymers, Nucl. Instr. and Meth. in Phys. Res. B, Vol.219-220 (2004) pp.953-958.

146. Y. Takeda, J. Lu, N. Okubo, N. Kishimto, Turning of Surface Plasmon Resonance of Metal Nanoparticle Composites by Negative Ion Implantation, Pro.10th Int'l Workshop on Femtosecond Tech., (2003) pp.125.

145. H. Amekura, N. Kishimoto, Implantation of 60 keV copper negative ion into thin SiO₂films on Si: Thermal stability of Cu nanoparticles and recovery of radiation damage, J. Appl. Phys. Vol.94, (2003) pp.2585-2589.

144. Oleg Plaksin, N. Okubo, Y. Takeda, H. Amekura, K. Kono, N. Kishimoto, Optical Transmission of Silica Glass during Swift Heavy Ion Implantation, Nucl. Instr. and Meth. in Phys. Res. B, Vol.219-220 (2004) pp.294-298.

143. Y. Takeda, J. Lu, Oleg Plaksin, H. Amekura, K. Kono, N. Kishimoto, Optical Properties of Dense Cu Nanoparticle Composites Fabricated by Negative Ion Implantation, Nucl. Instr. and Meth. in Phys. Res. B, Vol.219-220 (2003) pp.737-741.

142. Oleg Plaksin, Y. Takeda, H. Amekura, K. Kono, T. Suga, N. Umeda, N. Kishimoto, Light Emission during Negative Heavy Ion Implantation in Lithium Niobate and Sapphire, Proc. of ISSP, (2003).

141. H. Amekura, N. Kishimoto, Near Surface Sensitive Infrared Reflection Spetroscopy on SiO₂Implanted with High-Flux Negative Ions, Proc. of ISSP, (2003) pp.25-28.

140. Y. Takeda, J. Lu, N. Okubo, T. Suga, Oleg Plaksin, N. Kishimoto, Optical Properties of Metal Nanoparticles Synthesized in Insulators by Negative Ion Implantation, Proc. of ISSP, (2003) pp.429-432.

139. H. Amekura, Y. Takeda, K. Kono, N. Kishimoto, Modification of Ni and Cu Nanoparticles in Silica Glass by Thermal oxidation, Proc. of NIMS-IC (2003).

138. Y. Takeda, J. Lu, N. Kishimoto, Laser-pumped Transient Absorption of Metal Nanoparticles Synthesized in Insulators by 60keV Negative Ion Implantation, The Proc. of SPIE, (2003).

137. H. Amekura, Y. Takeda, H. Kitazawa, N. Kishimoto, Resonance Energy of Surface Plasmon of Metal Nanoparticles in Insulators, The Proc. of SPIE, Vol.4977 (2003) pp.639-647.

136. Y. Takeda, J. Lu, N. Kishimoto, Laser-pumped Transient Absorption of Metal Nanoparticles Synthesized in Insulators by 60keV Negative Ion Implantation, The Proc. of SPIE, (2003).

135. N. Kishimoto, N. Okubo, N. Umeda, Y. Takeda, Laser-induced Nanoparticle Precipitation in Metal-ion Implanted Insulators, The Proc. of SPIE, (2003).

134. H. Yokomichi (Guest, Toyama Pref. Univ.), F. Sakai, M. Ichihara, N. Kishimoto, Synthesis of Carbon Nanotubes by Thermal CVD under High Magnetic field, Trans. Mat. Res. Soc. Japan, (2003)

133. Oleg Plaksin , H. Amekura, K. Kono, N. Kishimoto, Y. Takeda, T. Suga, N. Umeda, Negative Cu ion Implantation of Insulators and In-situ Time Resolved Optical Spectroscopy, Trans. Mat. Res. Soc. Japan. Vol.28/2 (2003) pp. 477-480.

132. Y. Takeda, Chi-Gyu. Lee, N. Umeda, N. Kishimoto, Elliipsometry Anlysis of Metal Nanoparticle Composites Fabricated by Negative Ion Implantation, Trans. Mat. Res. Soc. Japan.Vol.28 (2003) pp.1303-1306.

131.　H. Tsuji (Kyoto Univ.), Y. Goto, K. Kurita, N. Motono, N. Kishimoto, Control of Optical Absorption Band due to Cu/Ag Nanoparticles in SiO₂ Glass by Dual Ion Implantation of Cu- and Ag-, J. Vac. Soc. Jpn, Vol.45 (2002) pp.528-532.

130. H. Amekura, H. Kitazawa, T. Mochiku, N. Umeda, Y. Takeda, N. Kishimoto, Ni Nanoparticles Dispersed in SiO₂ Fabricated by High-flux Negative-ion Implantation of 60 keV, Proc. of SPIE.,Vol.4936 (2002) pp.1-8.

129. Y. Takeda, J. LU, N. Kishimoto, Nonlinear Response of Metal Nanoparticle Embedded in Insulators by 60 keV Negative Ion Implantation, Proc. of SPIE, Vol.4934 (2002) pp.46-51.

128. N. Kishmoto, T.J.Renk, N. Umeda, M.. O. Thompson, Defect-induced Visible Luminescence of Granular Silica Films Fabricated by Pulsed Ion Beam Ablation with RHEPP-1, Mat. Res. Soc. Symp. Proc. (2002).

127. N. Kishimoto, T.J.Renk, N. Okubo, V.T.Gritsyna, Y. Takeda, Dynamic Film-making Processes Using High-Flux Ion Beams, Application of Accelerators in Research and Industry, 2002.

126. Y. Takeda, J. LU, N. Kishimoto, Metal Nanoparticle Composites Fabricated by Negative Ion Implantation for Optical Applications, Application of Accelerators in Research and Industry, (2002) pp.597-600.

125. P.V.Dememkov, N. Kishimoto, O.A.Plaksin, V.A.Stepanov, P.A.Stepanov, T.Shikama, Non-Linear optical Response of Silica Glass Core Fibers under Intense Pulsed Reactor Irradiation, Plasma Devices and Operation, Vol.00 (2002) pp.1-7.

124. N. Kishimoto, Oleg Plaksin, V.V.Bandourko, N. Kishimoto, Y. Takeda, Kinetic Mass Transport of Implanted Atoms in Insulators under High-flux Ion Beam Modification, Proc. of 6th Int'l Conf. on MMPBPF.

123. N. Kishimoto, Y. Takeda, N. Umeda, N. Okubo, Ion-induced Metal Nanoparticles in Insulators for Nonlinear Optical Property, Proc. of Int'l Workshop on Quantum Nonplanar Nanostructurs & Nanoelectronics 2002.

122. N. Okubo, N. Umeda, Y. Takeda, N. Kishimoto, Enhancement of Metal-nanoparticle Precipitation by Co-irradiation of High-energy Heavy Ions and Laser in Silica Glass, Nucl. Instr. and Meth. in Phys. Res. B. 206 (2003) pp.610-614.

121. N. Umeda, V.V.Bandourko, V.N.Vasilets, N. Kishimoto, Metal Precipitation Process in Polymers Induced by Ion Implantation 60 keV Cu-, Nucl. Instr. and Meth. in Phys. Res. B. 206 (2003） pp.657-662.

120. H. Amekura, N. Umeda, N. Okubo, N. Kishimoto, Ion-induced Frequency shift of 1100 cm-1 IR Vibration in Implanted SiO_2:Compaction vs. Bond-breaking, Nucl. Instr. and Meth. in Phys. Res. B. 206 (2003) pp.1101-1105.

119. V.V.Bandourko, T. Suga, N. Umeda, Chi-Gyu. Lee, K. Kono, Y. Takeda, N. Kishimoto, Nanoparticles Formation in Insulators Induced by Au- and Au₂- Ion Implantation, Nucl. Instr. and Meth. in Phys. Res. B. 206 (2003) pp.606-609.

118. N. Kishimoto, Y. Takeda, N. Umeda, N. Okubo, R.G. Faulkner, Ion-induced Metal Nanoparticles in Insulators for Nonlinear Optical Property , Nucl. Instr. and Meth. in Phys. Res. B. 206 (2003) pp.634-638.

117. T. Suga, Y. Takeda, K. Kono, N. Kishimoto, V.V. Bandourko, C.G. Lee, Radiation Effects in Diamond Induced by Negative Gold Ions, Nucl. Instr. and Meth. in Phys. Res. B. 206 (2003) pp.947-951.

116. Oleg Plaksin, V.A. Stepanov, P.V. Demenkov, P.A. Stepanov, V.A. Skuratov, N. Kishimoto, Radioluminescence of Alumina during Proton and Heavy Ion Irradiation, Nucl. Instr. and Meth. in Phys. Res. B. 206 (2003) pp.1083-1087.

115. K. Kono, Sunil K. Arora, N. Kishimoto, Modification in Optical Properties of Negative Cu Ion Implanted ZnO, Nucl. Instr. and Meth. in Phys. Res. B. 206 (2003) pp.291-294.

114. Y. Takeda, N. Kishimoto, Nonlinear Optical Properties of Metal Nanoparticle Composites for Optical Applications ,Nucl. Instr. and Meth. in Phys. Res. B. 206 (2003) pp.620-623.

113. Y. Takeda, C.G. Lee, N. Kishimoto, Nonlinear Optical Response of Metal Nanoparticle Composites Fabricated by Negative Ion Implantation, Pro. 9th Int'l Workshop on Femtosecond Tech.

112. N. Kishimoto, N. Umeda, N. Okubo, Y. Takeda, Metal Nanoparticle Fabrication by Negative Ion Implantation and Nonlinear Optical Applications, Proc of IUMRS-ICEM2002.

111. P. V. Demenkov, N. Kishimoto, O. A. Plaksin, V. A. Stepanov, P. A. Stepanov, T. Shikama, Non-Linear Optical Response of Silica Glass Core Fibers under Intense pulsed Reactor Irradiation ,Plasma Devices and Operations. Vol.11(1), (2002) pp.7-13.

110. Takahito Ohmura, Chi-Gyu Lee, Naoki Kishimoto,Mechanical Characterization of Magnesium aAumina MgO-nAl₂O₃ Spinel Single Crystals Irradiated with Cu- Ions, Int'l Symp. on Mat. Chem. in Nucl. Env.,(2002).

109. N. Kishimoto, V.V. Bandourko, Y. Takeda, N. Umeda, C.G. Lee, Ion-induced Photon Spectroscopy of Insulators and Application to In-situ Diagnostics of Nanaoparticle Formation Processes, Nucl. Instr. and Meth. in Phys. Res. B, Vol.190 (2002) pp.207-211.

108. Y. Takeda, C.G. Lee, N. Kishimoto, Optical Properties of Nanoparticle Composites in Insulators by High-flux 60 keV Cu- Implantation, Nucl. Instr. and Meth. in Phys. Res. B , Vol.190(2002) pp.797-801.

107. V.V. Bandourko, N. Umeda, N. Kishimoto, Real-Time Evolution of Ion-Surface Interactions of MgAl₂O₃and LiNbO₃ Detected by Ion-induced Photon Spectroscopy, Nucl. Instr. and Meth. in Phys. Res. B , Vol.190 (2002) pp.146-150.

106. K. Kono, H. Amekura, N. Kishimoto, Interstitial Carbon reactions in n-Si induced by high energy proton irradation, Phys. B 308-310 (2001) pp.265-267.

105. H. Yokomichi (Guest, Toyama Pref. Univ.), F. Sakai, M. Ichihara, N. Kishimoto, Synthesis of Carbon Nanotubes by Thermal CVD, Proc of the 21th Fullerene General Symp. (2002).

104. V.V. Bandourko, N. Umeda, N. Kishimoto, Ion-induced Photon Emission under Nanoparticle Fabrication, Nucl. Instr. and Meth. in Phys. Res. B Vol.193 (2002) pp.690-694.

103. N. Kishimoto, N. Okubo, N. Umeda, Y. Takeda, Photon Irradiation Effects under Ion Implantation into Insulators and Applications to Optical Material Processing, Nucl. Instr. and Meth. in Phys. Res. B Vol.191 (2002) pp.115-120.

102. Y. Takeda, C.G. Lee, N. Kishimoto, Nonlinear Optical Properties of Cu Nanoparticle Composites Fabricated by 60 keV Negative Ion Implantation, Nucl. Instr. and Meth. in Phys. Res. B Vol.191 (2002) pp.422-427.

101. C.G. Lee, Y. Takeda, N. Kishimoto, Disordering and Annealing Effects of Magnesium Aluminate Spinel Implanted with High-Flux 60keV Cu-, Nucl. Instr. and Meth. in Phys. Res. B Vol.191 (2002) pp.591-595.

100. N. Umeda, V.N. Vasilets, V.V. Bandourko, N. Kishimoto, In-situ Photon Emission Spectroscopy and Ex-situ Surface Analyses of Polymers Irradiated with 60 keV Cu- Ions, Nucl. Instr. and Meth. in Phys. Res. B Vol.191(2002) pp.708-713.

99. H. Tsuji (Kyoto Univ.), K. Kurita, Y. Goto, N. Kishimoto, J. Ishikawa, Optical Absorption Properties and Cu and Ag Double Negative-ion Implanted Silica Glass, Nucl. Instr. and Meth. in Phys. Res. B 195 (2002) pp.315-319.

98. V.S. Voitsenya (Guest, Kharkov IPP), A.F. Bardamid, V.N. Bondarenko, A.E. Costley, N. Kishimoto, V.G. Konovalov, D.V. Orlinskij, I.V. Ryzhkov, A.H. Shapoval, S.I. Solodovchenko, A.F. Stan’, K.Yu. Vukolov, S. Zvonkov, First Mirrors for Diagnostics at Burning Plasmas, Proc. of Workshop on High Temperature Plasma Diagnostics (2002).

97. H. Yokomichi (Guest, Toyama Pref. Univ.), F. Sakai, M. Ichihara, N. Kishimoto, Carbon Nanotubes Synthesized by Thermal CVD Using M(NO₃)n.mH₂O as Catalyst, Phys. B (2002).

96. N. Kishimoto, N. Okubo, C.G. Lee, Y. Takeda, Simultaneous Irradiation Effects of Heavy Ions and Photons on Radiation Damage in Insulating Materials, J. Nucl. Mat. (2002).

95. O. A. Plaksin (Guest, IPPE), V. A. Stepanov, H. Amekura, N. Kishimoto, Conductivity of SiC During Neutron and Proton Irradiation, J. Nucl. Mat. (2002).

94. V. V. Bandourko, E. A. Gridneva, D. V. Levchuk, N. N. Koborov, V. A. Kuraev, N. N. Trifonov, V. V. Vaitonis, A. V. Zhuravlev, Experimental and Computer Investigation of the Diagnostic Mirror Behavior under Sputtering and Duct Material Deposition, J. Nucl. Mat. (2002).

93. T. J. Renk (Guest, Sandia Nat. Lab.), P. Provencio, Michael O. Thompson, K. Kasuya, Novel Metastable Alloys and Thin-Films Formed Using Pulsed Intense Ion Beams, Mat. Res. Soc. Symp. Proc. (2002).

92. N. Kishimoto, Timothy J. Renk, Mike O. Thompson, Visible Photoluminescence of Non-equilibrium Silica Films Fabricated by Pulsed Ion Beam Ablation, Mat. Res. Soc. Symp. Proc., (2002).

91. N. Kishimoto, Y. Takeda, N. Umeda, Spontaneous Nanoparticle Formation in Insulators Using Intense Ion Implantation, Mat. Res. Soc. Symp. Proc., (2002).

90. Y. Takeda, V. V. Bandourko, C. G. Lee, N. Kishimoto, Copper Nanoparticle Composites in Insulators by Negative Ion Implantation for Optical Application, Mat. Trans., Special Issue , Vol.43 (2002) pp.1057-1060.

89. N. Kishimoto, N. Okubo, N. Umeda, Y. Takeda, Laser-induced Bleaching of Insulators under MeV Heavy-ion Implantation, Proc. of SPIE, Vol.4636 (2002) pp.88-96.

88. Y. Takeda, C. G. Lee, V. V. Bandourko, N. Kishimoto, Picosecond Dynamics of Cu Nanoparticle Composite Embedded in Insulators by 60 keV Negative Ion Implantation, Proc. of SPIE, Vol.4628 (2002) pp.46-53.

87. C. G. Lee, T. Omura, Y. Takeda, S. Matsuoka, N. Kishimoto, Mechanical Softening and Volumetric Swelling in Magnesium Aluminate Spinel Irraaddiated with High-Flux Cu- Ions, Acta. Materialia (2002).

86. H. Yokomichi (Guest, Toyama Pref. Univ.), F. Sakai, M. Ichihara, N. Kishimoto, Carbon Nanotubes and a-C Films Simultaneously Fabricated by Thermal CVD, J. Non-cryst. Solids, Vol.299-302 (2002) pp.868-873.

85. Y. Takeda, V. V. Bandourko, C.G. Lee, N. Kishimoto, Copper Nanoparticle Composites in Insulators by Negative Ion Implantation for Optical Application, Proc of PRICM4 (2001), pp. 1767-1770.

84. V. S. Voitsenya (Guest, Kharkov IPP), A. E. Costley, V. Bandourko, A. F. Bardamid, V. N. Bondarenko, Y. Hirooka, S. Kasai, N. Klassen, V. Konovalov, M. Nagatsu, K. Nakamura, D. Orlinskij, F. Orsitto, L. Poperenko, S. Solodovchenko, A.F. Stan’, T. Sugie, T. Taniguchi, M. Vinnichenko, K. Vukolov, S. Zvonkov, Diagonostic first mirrors for burning plasma experiments, Rev. of Sci. Instr., Vol. 72 (2001) pp. 475-482.

83. N. Kishimoto, Research and Development of Photonic Device Materials by Spatial Control of Metal Nanoparticles, Sci. & Tech. Tsukuba (Tsukuba Center, Inc)., Vol. 57 (2001) pp. 13-15.

82. N. Kishimoto, Y. Takeda, N. Umeda, N. Okubo, C. G. Lee, Spatial Control of Metal Nanoparticles in Insulators using Ion Implantation, Proc. Int. Symp. On Advanced Physical Fields, Growth of Well-defined Nanostructures (2001) pp.148-152

81. Y. Takeda, C. G. Lee, N. Kishimoto, Nonlinear Optical Response of Self-assembled Cu Nanoparticle Composites by 60 keV Negative Ion Implantation, Prc. 7th Int'l Workshop on Femtosecond Tech. (2001) p.144.

80. A.F. Bardamid, N. Kishimoto, V. G. Konovalov, I. V. Ryzhkov, S. I. Solodovchenko, A. N. Shapoval, A.F. Shtan’, K. I. Yakimov, Peculiarities of Stainless Steel Erosion Under Bombardment by Ions of Deuterium Plasma, Proc. of 15th Int'l Conf. on Ion-Surface Interactions, Vol. 2 (2001) pp. 280-282.

79. C. G. Lee, Y. Takeda, N. Kishimoto, N. Umeda, Surface Morphology and Structural Changes in Insulators Induced by High-Current 60 keV Cu- Implantation, J. Appl. Phys. Vol. 90 (2001) pp.2195-2199.

78. N. Kishimoto, Y. Takeda, C. G. Lee, N. Umeda, N. Okubo, E. Iwamoto (NHV), High-Current Heavy-Ion Accelerator System and its Application to Material Modification, Japanese Journal of Applied Physics, Vol. 40 (2001) pp.1087-1090.

77. H. Amekura, O. A. Plaksin, N. Kishimoto, Internal Electric Field Formation in Insulators under High-Flux Negative Ion Implantation, J. J. Appl. Phys. Vol.40 (2001) pp.1091-1093.

76. H. Amekura, V. Voitsenya, T. T.Lay, Y. Takeda, N. Kishimoto, X-ray emission induced by 60 keV Hihg-flux Negative Copper Ion Implantation, J. J. Appl. Phys. Vol. 40 (2001) pp.1094-1096.

75. H. Yokomichi (Guest, Toyama Pref. Univ.), J. Masuda, N. Kishimoto, Fabrication of Amorphous Carbon Nitride Films by Hot-wire Chemical Vapor Deposition, Thin Solid Films, Vol. 395 (2001) pp. 249-252.

74. N. Kishimoto, Y. Takeda, N. Umeda, C. G. Lee, Intense-Ion Induced Self-Assembly of Two Dimensional Nanoparticles in Insulator,. Scripta Materialia, Vol.44 (2001) pp.1973-1977.

73. N. Kishimoto, N. Okubo, C.G. Lee, Y. Takeda, Co-Irradiation Effects of Intense Heavy Ions and Photons on Surface Modification of Insulators, Nucl. Instr. and Meth. in Phys. Res. B175-177 (2001) pp.426-431.

72. Y. Takeda, N. Umeda, V. T.Gritsyna, N. Kishimoto, Optical Transient Resonance of Copper Nanoparticle Composites Synthesized by Negative Ion Implantation, Nucl. Instr. and Meth. in Phys. Res. B175-177 (2001) pp.463-467.

71. H. Amekura, N. Okubo, C. G. Lee, Y. Takeda, N. Kishimoto, Microstructural Changes in Silicon Thermal Oxide Induced by High-flux Negative Copper Implantation, Nucl. Instr. and Meth. in Phys. Res. B175-177 (2001) pp.345-349.

70. V. Bandourko, T. T. Lay, Y. Takeda, C. G. Lee, N. Kishimoto, Ion-induced Photon Emission of Magnasium Aluminate Spinel During 60 keV Cu- Implamtation, Nucl. Instr. and Meth. in Phys. Res. B175-177 (2001) pp.68-73.

69. N. Okubo，Y. Takeda，H. Amekura, J.P.Zhao, V.T.Gritsyna, N. Kishimoto, Surface Smoothening and Compaction of Silica Glass Under Dynamic Negative Ion Mixing, Nucl. Instr. and Meth. in Phys. Res. B175-177 (2001) pp. 663-667.

68. K. Kono, H-C Luan, K. Wada, L.C. Kimerling, Study of Deep Levels Directly Deposited on Si, Mat. Res. Soc. Symp. Proc. (2001).

67. N. Kishimoto, J. P. Zhao, N. Okubo, Y. Takeda, V. T. Gritsyna, A Dynamic Negative-ion Mixing Method Using High-current Heavy Ions and Electron Beam Evaporation, Ion Implantation Technology 2000, Int'l Conf. On Ion Implantation Tech. Proc. (2001) pp.749-752.

66. J. Ishikawa (Kyoto Univ.) , H. Tsuji, S. Kido, K. Kurita, N. Kishimoto, Y. Goto, Negative-Ion Implanter and Formation of Metal Nanoparticles in Glass, Ion Implantation Tech. 2000, 2000 Int'l Conf. On Ion Implantation Tech. Proc. (2001) pp.745-748.

65. H. Yokomichi (Guest, Toyama Pref. Univ.), M. Ichihara, F. Sakai, K. Ito, N. Kishimoto, Gas Pressure Dependence on Arc-Discharge Synthesis of Carbon Nanotubes under High Magnetic Field, Proc. Int'l Conf. on Superlattices, Microstructures, and Microdevices 2000 (2001) pp.112.

64. N. Kishimoto, Y. Takeda, N. Umeda, N. Okubo, C. G. Lee, Spatial Control of Nanoparticle Structures Using Dynamic Processes Under High Flux Cu- Implantation, Application of Accelerators in Research and Industry, 16th Int'l Conf. (2001) pp.1011-1014.

63. H. Yokomichi, F. Sakai, M. Ichihara, N. Kishimoto, Attempt to Synthesize Carbon Nanotubes by Hot Wire Chemical Vapor Deposition, Thin Solid Films, Vol. 395 (2001) pp. 253-256.

62.K. Kono, J. G. Sandland, K. Wada, L. C. Kimerling, Evaluation of Irradiation-induced Deep Levels in Si, Proc. of SPIE (2000)., Vol.4140(2000) pp.267-273

61. V. V. Bandourko, N. Kishimoto, V. A. Kurnaev (MEPhI), K. Nakamura (JAERI), T. Sugie (JAERI) V. S. Voitsenya (KhIPhT)Vassili, Effect of the Low Energy Ion Bombardment on the Optical Properties of Metallic Mirrors, Problems of Atomic Science and Technology, Problems of Atomic Sci. and Tech., series "Plasma Physics" (5) Vol. 3 (2000) pp. 99-102.

60. H. Amekura, N. Kishimoto, K. Kono, In situ Photodetection in Strong Radiation Fields: Simultaneous Irradiation of Si by Photons and High-energy Protons, J. Appl. Phys., Vol.88 (2000) pp.2497-2502.

59. N. Kishimoto, Y. Takeda, N. Umeda, C. G. Lee, H. Amekura, T.T. Lay, N. Okubo, V. T. Gritsyna, Metal Nanoparticle Structures Controlled with Ion-induced Kinetics and the Linear-nonlinear Optical Properties, Proc. 5th Int. Symp.on Advanced Physical Fields, Fabrication and Characterization of Atomic Scale Structures, Tsukuba (2000) pp.123-155.

58. Y. Takeda, V. T. Gritsyna, T. T. Lay, N. Umeda, C. G. Lee, Optical Properties of Cu Nanoparticle Composites Fabricated by High-current Negative Ion Implantation, Proc. 5th Int. Symp. on Adv. Phys. Fields (2000) pp.197-202.

57. H. Amekura, O. A. Plaksin, N. Kishimoto, Internal Electric Field and Cu Nanoparticle Formation in Silica Glasses under High-flux 60 keV Ion Implantation, Proc. 5th Int. Symp. on Adv. Phys. Fields (2000) pp.209-214.

56. H. Amekura, N. Umeda, Y. Takeda, N. Kishimoto, Fabrication of Cu Nanoparticles Embedded in a-SiO₂ Thin Layer and Observation of Nonlinear Transport, Proc. 5th Int. Symp. on Adv. Phys. Fields (2000) pp. 203-207.

55. C. G. Lee, N. Umeda, Y. Takeda, N. Kishimoto, Radiation Damage in Insulators Irradiated with High-current Ion Implantation, Proc. 5th Int. Symp. on Adv. Phys. Fields (2000) pp.215-221.

54. T. T. Lay, H. Amekura, Y. Takeda, N. Kishimoto, In-situ Measuremt of Light Emission by Negative Cu Ion Implantation in Silica Glass, Proc. 5th Int. Symp. on Adv. Phys. Fields (2000) pp. 223-228.

53. N. Umeda, Y. Takeda, C.G. Lee, N. Kishimoto, Thermal Effect on Nanocrystal Morphology in Silica Glasses Implanted with High-current Negative Cu Ions, Proc. 5th Int. Symp. on Adv. Phys. Fields (2000) pp. 229-236.

52. N. Okubo, Y. Takeda, J. P. Zhao, V. T. Gritsyna, N. Kishimoto, Nanoparticle-dispersed Thick Silica Films Fabricated by a Dynamic Mixing Method with Negative Ions, Proc. 5th Int. Symp. on Adv. Phys. Fields (2000) pp.237-240.

51. Alexander Pogrebnjak D. (Sumy Institute for Surface Modification), N. Kishimoto, Vitalii Ladyser S (Technical University Kazakhstan), Modification of Material Properties and Synthesis of Thin Films under Intense Electron and Ion Beam Irradiation, Printer:the book passed the proof for the press on April 10, 2000, Year:2000, Pages 345, Tables 26, Figures 233, References 382 (2000) pp.1-345.

50. Y. Takeda, ThiThi Lay, N. Umeda, N. Kishimoto, Nonlinear Optical Resonance of Self-assembled Cu Nanoparticles by High-Current Negative Ion, Proc. 7th Int. Workshop on Femtosecond Tech. (2000) p.175.

49. N. Kishimoto, N. Umeda, Y. Takeda, V.T. Gritsyna, T.J.Renk, M.O.Thompson, In-Beam Growth and Rearrangement of Nanoparticles in Insulators Induced by High-Current Negative Copper Ions, Vac., Vol.58 (2000) pp. 60-78.

48. N. Umeda, N. Kishimoto, Y. Takeda, C. G. Lee, Thermal Stability of Nanoparticles in Silica Glasses Implanted with High-Flux Cu- Ions, Nucl. Instr. and Meth. in Phys. Res. B166-167 (2000) pp. 864-870.

47. N. Kishimoto, N. Umeda, Y. Takeda, V.T. Gritsyna, C.G. Lee, T. Saito, Metal Nanocrystal Formation in Magnesium Aluminate Spinel and Silicon Dioxide with High-Flux Cu- Ions, Nucl. Instr. and Meth. in Phys. Res. B166-167 (2000) pp. 840-844.

46. Y. Takeda, J.P. Zhao, C. G. Lee, V. T. Gritsyna, N. Kishimoto, Nonlinear Optical Properties of Cu Nanoparticles Embedded in Insulators by High-Current Cu- Implantation, Nucl. Instr. and Meth. in Phys. Res. B166-167 (2000) pp. 877-881.

45. H. Amekura, N. Kishimoto, K. Kono, A. Kondo, Persistent Excited Conductivity and the Threshold Fluence in a-Si:H under 17 MeV Proton Irradiation, J. Non-cryst. Solids Vol. 266-269(2000) pp.444-449.

44. N. Kishimoto, H. Amekura, O. A. Plaksin, V. A. Stepanov, Radiation Induced Conductivity of Doped Silicon in Response to Photon, Proton and Neutron Irradiation, J. Nucl. Mat. Vol.283-287 (2000) pp.907-911.

43. H. Amekura, N. Kishimoto, K. Kono, Radiation Induced Conductivity and Simultaneous Photoconductivity Suppression in 6H-SiC under 17 MeV Proton Irradiation, Mat. Sci. Forum Vol.338-342 (2000) pp.977-980.

42. N. Kishimoto, H. Amekura, Radiation Resistant Optical Sensor with Impurity Compensation, Pat. No. 2884037 (1999).

41. Thi Thi Lay, H. Amekura, Y. Takeda, N. Kishimoto, In-situ Spectroscopy of Ion-Induced Photon Emission During Metal Nanoparticle Formation in Silica Glass with High-Flux Cu- Implantation, Mat. Res. Soc. Symp. Proc., Vol. 569 (1999) pp. 191-196.

40. H. Amekura, N. Kishimoto, K. Kono, On the Fluence Dependence of Radiation-Induced Carrier Removal in Moderately Doped Si, Phys. B273-274 (1999) pp.535-539.

39. N. Kishimoto, Y. Takeda, K. Kono, Filmmaking Method and the Apparatus by Negative-ion Irradiation with Co-evaporation, Pat. Proposed No.11-245934 (1999).

38. N. Kishimoto, C. G. Lee, N. Umeda, Y. Takeda, V. T. Gritsyna, Sputtering Effects and Two Dimensional Arrangement of Nanoparticles in Insulators under High Flux Cu- Implantation, Mat. Res. Soc. Symp. Proc. Vol.581 (1999) pp.181-186.

37. N. Kishimoto, N. Umeda, Y. Takeda, C. G. Lee, Nanoparticle Fabrication in Insulators with Negative Copper Ions and its Application to Optical Materials, Proc.18th Symp. on Mater. Sci. & Eng. Center of Ion Beam Tech. (1999) pp.117-122.

36. Y. Takeda, H. Umezawa, K. Chiba, H. Shoji, M. Takahashi, Magneto-optical recording on CoPtRe alloy films as a novel material, IEEE Trans. on Mag., Vol. 35 (1999) pp.2166-2171.

35. Y. Takeda, H. Umezawa, K. Chiba, Topographical Evaluation of Optical Disks with Polycarbonate Substrates in the Manufacturing Process, Appl. Opt., Vol. 38 (1999) pp.7282-7287.

34. H. Amekura, A. Eckau, R. Carius, Ch. Buchal, Visible Photoluminescence From Tb³⁺ Ions Implanted into SiO₂ on Si at Room Temperature, Trans. IEEE (1999) pp.146-149.

33. N. Kishimoto, Y. Takeda, V. T. Gritsyna, E. Iwamoto, T. Saito, A High-Current Negative-Ion Implanter and its Application for Nanocrystal Fabrication in Insulators, Trans. IEEE (1999) pp.342-345.

32. N. Kishimoto, N. Umeda, Y. Takeda, C. G. Lee, V. T. Gritsyna, Self-Assembled Two-Dimensional Distribution of Nanoparticles with High-Current Cu- Implantation into Insulators, Nucl. Instr. and Meth. in Phys. Res. B148 (1999) pp.1017-1022.

31. Y. Takeda, V.T. Gritsyna, N. Umeda, C. G. Lee, N. Kishimoto, Linear and Nonlinear Optical Properties of Cu Nanoparticles Fabricated by High-Current Cu- Implantation in Silica Glass, Nucl. Instr. and Meth. in Phys. Res. B148 (1999) pp.1029-1033.

30. S. Wang, H. Amekura, A. Eckau, R. Carius, Ch. Buchal, Luminescence from Er and Tb, Implanted into MOS Tunnel Diodes, Nucl. Instr. and Meth. in Phys. Res. B148 (1999) pp. 481-485.

29. N. Kishimoto, N. Umeda, Y. Takeda, C. G. Lee, V. T. Gritsyna, Nanocrystal Growth in Crystalline Insulators Irradiated with High-Current Copper-Ions, Mat. Res. Soc. Symp. Proc. Vol. 540 (1999) pp.153-158.

28. K. Kono, H. Amekura, N. Kishimoto, Flux-dependent Generation Rate of Irradiation-Induced Defects in n-Si Under 17 MeV Proton Irradiation, Mat. Res. Soc. Symp. Proc. Vol. 540 (1999) pp.115-120.

27. H. Yokomichi, H. Sakima, M. Ichihara, F. Sakai, K. Ito, N. Kishimoto, Effects of Magnetic Field on Morphology of Carbon in Nanotubes and Selective Synthesis of Fullurenes, Appl. Phys. Lett. Vol.74 (1999) pp.1827-1829.

26. N. Kishimoto, V. T. Gritsyna, Y. Takeda, C. G. Lee, Fabrication of Metal Nanospheres and the Kinetics Controlled with High-Flux Negative Ions and the Optical Properties, J. Surf. Analysis, Vol.4 (1998) pp.220-225.

25. H. Amekura, N. Kishimoto, K. Kono, Particle-Induced Conductivity and Photoconductivity of Silicon Under 17 MeV-Proton Irradiation, J. Appl. Phys., Vol. 84 (1998) pp.4834-4841.

24. H. Amekura, A.Eckau, R. Carius, Ch. Buchal, Visible Photoluminescence from Tb ions Implanted in SiO₂ film and its concentration dependence, Rare Earth, Vol. 34 (1998) pp.146-147.

23. N. Kishimoto, N. Umeda, Fabrication of Metal Colloids as a Nanostructure with Cu Negative-Ion Implantation, , Proc. 3rd Symp. Nanobeam Tech., Vol. 3 (1998) pp.13-18.

22. N. Kishimoto, C. G. Lee, N. Umeda, Y. Takeda, Material Modification of Insulators and the Sputtering Process induced by Negative-Heavy-Ion Implantation at High Dose Rates, Sputtering and Plasma Process, JATTAS, Vol.13 (1998) pp.19-29.

21. N. Kishimoto, H. Amekura, K. Kono, C. G. Lee, Radiation Resistance of Amorphous Silicon in Optoelectric Properties Under Proton Bombardment, J. Nucl. Mat. Vol. 258-263 (1998) pp.1908-1913.

20. H. Amekura, N. Kishimoto, K. Kono, Radiation-Induced Two-Step Degradation of Si Photoconductors and Space Solar Cells, IEEE Trans. Nucl. Sci., Vol.45 (1998) pp.1508-1513.

19. N. Kishimoto, H. Amekura, K. Kono, C. G. Lee, Stable Photoconductivity in Metastable a-Si:H Under High-Energy Proton Irradiation, J. Non-cryst. Solids, Vol.227-230 (1998) pp. 238-242.

18. N. Kishimoto, V. T. Gritsyna, Y. Takeda, C. G. Lee, T. Saito, Dose-Rate Dependent Implantation of Negative Copper Ions into Silica Glasses and Effects on Colloid Formation, Nucl. Instr. and Meth. in Phys. Res. B141 (1998) pp.299-303.

17. K. Kono, N. Kishimoto, H. Amekura, In-situ Measurement of Metastable Coupling between Proton-Induced Defects and Impurities in n-Si, Mat. Res. Soc. Symp. Proc. Vol. 504 (1998) pp.15-20.

16. N. Kishimoto, V. T. Gritsyna, Y. Takeda, C. G. Lee, N. Umeda, T. Saito, Nanocrystal Growth at High-Dose Rates in Negative Copper-Ion Implantation into Insulators, Mat. Res. Soc. Symp. Proc. Vol. 504 (1998) pp.345-350.

15. N. Kishimoto, H. Amekura, K. Kono, C. G. Lee, Applicability of Shallow-Impurity Doped Silicon To Proton-Flux Sensors Usig Stable Particle-Induced Conductivity, Mat. Res. Soc. Symp. Proc. Vol.487 (1998) pp.423-428.

14. H. Amekura, A. Eckau, R. Carius, Ch. Buchal, Room Temperature Photoluminescence from Tb-ions Implanted SiO₂ on Si, J. Appl. Phys., Vol. 84 (1998) pp.3867-3871.

13. H. Amekura, N. Kishimoto, K. Kono, Persistent Excited Conductivity Induced by Proton Irradiation in a-Si:H, Mat. Sci. Forum, Vol. 258-263 (1997) pp. 599-604.

12. N. Kishimoto, V. T. Gritsyna, K. Kono, H. Amekura, T. Saito, Material Modification of Optical Properties Due to Intense Negative Cu Ions, Ionics, Vol. 23 (1997) pp.95-103.

11. N. Kishimoto, V. T. Gritsyna, K. Kono, H. Amekura, T. Saito, Negative Copper Ion Implantation into Silica Glasses at High Dose Rates and the Optical Measurements, Nucl. Inst.& Meth. in Phys.Res. B127-128 (1997) pp.579-582.

10. N. Kishimoto, H. Amekura, K. Kono, T. Saito, Particle-induced and Photo- conductivities in Amorphous Si:H under Proton Irradiation, Mat. Res. Soc. Symp. Proc. Vol.439 (1997) pp.679-684.

9. K. Kono, N. Kishimoto, H. Amekura, T. Saito, Evaluation of Proton Irradiation-induced Deep Levels in n-Si, Mat. Res. Soc. Symp. Proc. Vol.442 (1997) pp.287-292.

8. N. Kishimoto, V. T. Gritsyna, K. Kono, H. Amekura, T. Saito, High Current Implantation of Negative Copper Ions into Silica Glasses, Mat. Res. Soc. Symp. Proc. Vol. 438 (1997) pp.435-440.

7. H. Amekura, N. Kishimoto, K. Kono, T. Saito, Sensor Materials of Photoconductivity-type Si Applicable to Particle Irradiation Environments, Trans. Mat. Res. Soc. Japan, Vol.20 (1996) pp.343-346.

6. H. Amekura, N. Kishimoto, K. Kono, T. Saito, Excited Conductivity and Defect Formation in Photoconductivity-type Si Sensor Under Particle Irradiation, Trans. Mat. Res. Soc. Japan, Vol.20 (1996) pp.347-350.

5. N. Kishimoto, H. Amekura, Integrated Dose Monitor for High-energy Particle Beams, Pat. No. 2535786 (1996).

4. H. Amekura, N. Kishimoto, K. Kono, T. Saito, Irradiation Temperature Dependence of Residual Defects in 17 MeV-Proton Bombarded Silicon, Materials Science Forum, Vol.196-201 (1996) pp.1159-1164.

3. N. Kishimoto, H. Amekura, K. Kono, T. Saito, Radiation-Resistant Photoconductivity of Doped Silicon Under 17 MeV Proton Bombardment, J. Nucl. Mat. Vol.233-237 (1996) pp.1244-1248.

2. H. Amekura, T. Masumi, Reconfirmation with Discussion of Anomalies in Photoconductivity of Cu₂O at Low Temperatures , J. Phys. Soc. Jpn., Vol.64(1995) pp.2684-2696.

1. H. Amekura, N. Kishimoto, T. Saito, Photoconductivity Evolution due to Carrier Trapping by Defects in 17 MeV-Proton Irradiated Silicon, J. Appl. Phys., Vol.77 (1995) pp.4984-4992.

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