- S. Luo, H. Lin, Q Wang, X. Ren, D. Hernández-Pinilla, T. Nagao, Y. Xie, G. Yang, S. Li, H. Song, M. Oshikiri, and J. Ye, "Triggering Water and Methanol Activation for Solar-Driven H2 Production: Interplay of Dual Active Sites over Plasmonic ZnCu Alloy," Journal of the American Chemical Society 143 (31), pp. 12145–12153 (2021).
- M. W. Yu, S. Ishii, S. Li, J. R. Ku, J. H. Yang, K. L. Su, T. Taniguchi, T. Nagao, and K. P. Chen, "Quantifying photoinduced carriers transport in exciton-polariton coupling of MoS2 monolayers," npj 2D Materials and Applications 5, 47 pp.1-7 (2021).
- Z. Y. Yang, S. Ishii, A. T. Doan, S. L. Shinde, T. D. Dao, Y. P. Lo, K.P. Chen, and T. Nagao, "Narrow‐Band Thermal Emitter with Titanium Nitride Thin Film Demonstrating High Temperature Stability," Advanced Optical Materials 8 (8), 1900982 (2020).
- S. Ishii, M. Higashino, S. Goya, E. Shkondin, K. Tanaka, T. Nagao, O. Takayama, and S. Murai, "Extreme thermal anisotropy in high-aspect-ratio titanium nitride nanostructures for efficient photothermal heating," Nanophotonics 10 (5), pp.1487-1494 (2020).
- M. W. Yu, S. Ishii, S. L. Shinde, N. K. Tanjaya, K. P. Chen, and T. Nagao, "Direct Observation of Photoinduced Charge Separation at Transition Metal Nitride-Semiconductor Interfaces," ACS Applied Materials & Interfaces 12 (50), pp.56562-56567 (2020).
- M. W. Yu, S. Ishii, J. R. Ku, J. H. Yang, C. H. Huang, T. C. Lu, T. R. Lin, T. Nagao, and K. P. Chen, "Graphene-Loaded Plasmonic Zirconium Nitride and Gold Nanogroove Arrays for Surface-Charge Modifications," ACS Applied Nano Materials 3 (6), pp. 5002-5007 (2020).
- M. Kaur, S. L. Shinde, S. Ishii, M. W. Yu, W. Jevasuwan, N. Fukata, Y. Li, J. Ye, and T. Nagao, "Marimo Bead-Supported Core-Shell Nanocomposites of Titanium Nitride and Chromium-Doped Titanium Dioxide as Highly Efficient Water Floatable Green Photocatalyst," ACS Applied Materials & Interfaces 12 (28), pp. 31327-31339 (2020).
- K. Chen, T. D. Dao, T. D. Ngo, H. D. Ngo, A. Tamanai, S. Ishii, X. Li, H. Misawa, and T. Nagao, "Enhanced photocurrent generation from indium–tin-oxide/Fe2TiO5 hybrid nanocone arrays," Nano Energy 76, 104965 (2020).
- I. Katayama, K. Inoue, Y. Arashida, Y. Wu, H. Yang, T. Inoue, S. Chiashi, S. Maruyama, T. Nagao, M. Kitajima, and J. Takeda, "Ultrafast optical modulation of Dirac electrons in gated single-layer graphene," Physical Review B 101, 245408, pp.1-6 (2020).
- H. D. Ngo, K. Chen, O. S. Handegard, A. T. Doan, T. D. Ngo, T. D. Dao, N. Ikeda, A. Ohi, T. Nabatame, and T. Nagao, "Nanoantenna Structure with Mid-Infrared Plasmonic Niobium-Doped Titanium Oxide," Micromachines 11(1), 23 pp.1-9 (2020).
- D. Okada, Z. H. Lin, J. S. Huang, O. Oki, M. Morimoto, X. Liu, T. Minari, S. Ishii, T. Nagao, M. Irie and Y. Yamamoto, "Optical microresonator arrays of fluorescence-switchable diarylethenes with unreplicable spectral fingerprints," Materials Horizons 7, pp.1801-1808 (2020).
- Z. J. Wang, H. Song, H. Pang, Y. Ning, T. D. Dao, Z. Wang, H. Chen, Y. Weng, Q. Fu, T. Nagao, Y. Fang, and J. Ye, "Photo-assisted methanol synthesis via CO2 reduction under ambient pressure over plasmonic Cu/ZnO catalysts," Applied Catalysis B: Environmental 250, pp. 10-16 (2019).
- X. Li, K. Yoshioka, M. Xie, G. T. Noe, II, W. Lee, N. M. Peraca, W. Gao, T. Hagiwara, O. S. Handegard, L. W. Nien, T. Nagao, M. Kitajima, H. Nojiri, C. K. Shih, A. H. MacDonald, I. Katayama, J. Takeda, G. A. Fiete, and J. Kono, "Terahertz Faraday and Kerr rotation spectroscopy of Bi1−xSbx films in high magnetic fields up to 30 tesla," Physical Review B 100, 115145 pp. 1-15 (2019).
- T. D. Dao, C. F. Hoang, N. Nishio, N. Yamamoto, A. Ohi, T. Nabatame, M. Aono, and T. Nagao, "Dark-Field Scattering and Local SERS Mapping from Plasmonic Aluminum Bowtie Antenna Array," Micromachines 10 (7), 468 pp. 1-10 (2019).
- T. D. Dao, A. T. Doan, S. Ishii, T. Yokoyama, O. S. Handegard, D. H. Ngo, T. Ohki, A. Ohi, Y. Wada, C. Niikura, S. Miyajima, T. Nabatame, and T. Nagao, "MEMS-Based Wavelength-Selective Bolometers," Micromachines 10 (6), 416 pp. 1-12 (2019).
- H. D. Ngo, T. D. Ngo, A. Tamanai, K. Chen, N. T. Cuong, O. S. Handegard, A. Pucci, N. Umezawa, T. Nabatame, and T. Nagao, "Structure and optical properties of sputter deposited pseudobrookite Fe2TiO5 thin films," CrystEngComm 21, pp.34-40 (2019).
- A. T. Doan, T. Yokoyama, T. D. Dao, S. Ishii, A. Ohi, T. Nabatame, Y. Wada, S. Maruyama, and T. Nagao, "A MEMS-based Quad-wavelength Hybrid Plasmonic–pyroelectric Infrared Detector," Micromachines 10 (6), 413 pp.1-12 (2019).
- A. Sakurai, K. Yada, T. Simomura, S. Ju, M Kashiwagi, H. Okada, T. Nagao, K. Tsuda, and J. Shiomi, "Ultranarrow-Band Wavelength-Selective Thermal Emission with Aperiodic Multilayered Metamaterials Designed by Bayesian Optimization," ACS Central Science 5, pp. 319−326 (2019).
- A. A. M. El-Amir, T. Ohsawa, S. Ishii, M. Imura, M. Liao, X. Fu, H. Segawa, I. Sakaguchi, T. Nagao, K. Shimamura, and N. Ohashi, "Silicon-compatible Mg2Si/Si n-p photodiodes with high room temperature infrared responsivity," Materials Science in Semiconductor Processing 102, 104577 (2019).
- A. A. M. El-Amir, T, Ohsawa, S. Ishii, M. Imura, H. Segawa. I. Sakaguchi, T. Nagao, K. Shimamura, and N. Ohashi, "Optoelectronic characteristics of the Ag-doped Si p-n photodiodes prepared by a facile thermal diffusion process," AIP Advances 9, 055024 pp. 1-5 (2019).
- S. Ishii, R. Kamakura, H. Sakamoto, T. D. Dao, S. L. Shinde, T. Nagao, K. Fujita, K. Namura, M. Suzuki, S. Murai, and K. Tanaka, "Demonstration of temperature-plateau superheated liquid by photothermal conversion of plasmonic titanium nitride nanotsturctures," Nanoscale 10, pp.18451-18456 (2018).
- O. Oki, S. Kushida, A. Mikosch, K. Hatanaka, Y. Takeda, S. Minakata, J. Kuwabara, T. Kanbara, T. D. Dao, S. Ishii, T. Nagao, A. J. C. Kuehne, F. Deschler, R. H. Friendf, and Y. Yamamoto, "FRET-mediated near infrared whispering gallery modes: studies on the relevance of intracavity energy transfer with Q-factors," Materials Chemistry Frontiers 2, pp270-274 (2018).
- O. Anjaneyulu, K. Takeda, S. Ishii, S. Ueda T. Nagao, P. Xiaobo, T. Fujita, M. Miyauchi, and H. Abe, "Light-Promoted Conversion of Greenhouse Gases over Plasmonic Metal–Carbide Nanocomposite Catalysts," Materials Chemistry Frontiers 2, pp. 580-584 (2018).
- I. Katayama, H. Kawakami, T. Hagiwara, Y. Arashida, F. Minami, L.-W. Nien, O. S. Handegard, T. Nagao, M. Kitajima, and J. Takeda, "Terahertz-field-induced carrier generation in Bi1−xSbx Dirac electron systems," Physical Review B 98, 214302 pp. 1-5 (2018).
- H. Song, X. Meng, T. D. Dao, W. Zhou, H. Liu, L. Shi, H. Zhang, T. Nagao, T. Kako, and J. Ye, "Light-Enhanced Carbon Dioxide Activation and Conversion by Effective Plasmonic Coupling Effect of Pt and Au Nanoparticles," ACS Applied Materials & Interfaces 10 (1), pp. 408-416 (2018).
- Z. Y. Yang, S. Ishii, T. Yokoyama, T. D. Dao, M. G. Sun, P. S. Pankin, I. V. Timofeev, T. Nagao, and K. P. Chen, "Narrowband Wavelength Selective Thermal Emitters by Confined Plasmon Polaritons," ACS Photonics 4 (9), pp. 2212-2219 (2017).
- V. V. Tran, O. T. T. Nguyen, C. H. Le, T. A. Phan, B. V. Hoang, T. D. Dao, T. Nagao, and C. V. Hoang, "Sub-10 nm, high density titania nanoforests-gold nanoparticles composite for efficient sunlight-driven photocatalysis," Japanese Journal of Applied Physics 56, 095001 pp.1-6 (2017).
- T. Sawada, T. Nabatame, T. D. Dao, I. Yamamoto, K. Kurishima, T. Onaya, A. Ohi, K. Ito, M. Takahashi, K. Kohama, T. Ohishi, A. Ogura, and T. Nagao, "Improvement of Smooth Surface of RuO2 Bottom Electrode on Al2O3 Buffer Layer and Characteristics of RuO2/TiO2/Al2O3/TiO2/RuO2 Capacitors," Journal of Vacuum Science & Technology A Vacuum, Surfaces, and Films 35 (6), 061503 pp.1-7 (2017).
- H. Liu, X. Meng, T. D. Dao, L. Liu, P. Li, G. Zhao, T. Nagao, L. Yang, and J. Ye, "Light assisted CO2 reduction with methane over SiO2 encapsulated Ni nanocatalysts for boosted activity and stability," Journal of Materials Chemistry A 5, pp.10567-10573 (2017).
- T. S. Bui, T. D. Dao, L. H. Dang, L. D. Vu, A. Ohi, T. Nabatame, Y. P. Lee, T. Nagao, and C. V. Hoang, "Metamaterial-enhanced vibrational absorption spectroscopy for the detection of protein molecules," Scientific Reports 6, 32123, pp. 1-7 (2016).
- T. D. Dao, S. Ishii, T. Yokoyama, T. Sawada, S. L. Shinde, K. Chen, Y. Wada, T. Nabatame, and T. Nagao, "Hole Array Perfect Absorbers for Spectrally Selective Mid-Wavelength Infrared Pyroelectric Detectors," ACS Photonics 3 (7), pp.1271-1278 (2016).
- S. Murai, S. Uno, R. Kamakura, S. Ishii, T. Nagao, K. Fujita, and K. Tanaka, "Plasmonic mesostructures with aligned hotspots on highly oriented mesoporous silica films," Optical Materials Express, 6 (9), pp. 2824-2833 (2016).
- S. Kushida, S. Okabe, T. D. Dao, S. Ishii, T. Nagao, A. Saeki, M. Kijima, and Y. Yamamoto, "Self-assembled polycarbazole microspheres as single-component, white-colour resonant photoemitters," RSC Advances 6, pp.52854-52857 (2016).
- S. Kushida, D. Braam, T. D. Dao, H. Saito, K. Shibasaki, S. Ishii, T. Nagao, A. Saeki, J. Kuwabara, T. Kanbara, M. Kijima, A. Lorke, and Y. Yamamoto, "Conjugated Polymer Blend Microspheres for Efficient, Long-Range Light Energy Transfer," ACS Nano 10 (5), pp.5543-5549 (2016).
- H. Zhang, T. Wang, J. Wang, H. Liu, T. D. Dao, M. Li, G. Liu, X. Meng, K. Chang, L. Shi, T. Nagao, and J. Ye, "Surface-Plasmon-Enhanced Photodriven CO2 Reduction Catalyzed by Metal–Organic-Framework-Derived Iron Nanoparticles Encapsulated by Ultrathin Carbon Layers," Advanced Materials 28 (19), pp.3703–3710 (2016).
- H. Liu, M. Li, T. D. Dao, Y. Liu, W. Zhou, L. Liu, X. Meng, T. Nagao, and J. Ye, "Design of PdAu Alloy Plasmonic Nanoparticles for Improved Catalytic Performance in CO2 Reduction with Visible Light Irradiation," Nano Energy 26, pp.398–404 (2016).
- D. Okada, T. Nakamura, D. Braam, T. D. Dao, S. Ishii, T. Nagao, A. Lorke, T. Nabeshima, and Y. Yamamoto, "Color-tunable resonant photoluminescence and cavity-mediated multistep energy transfer cascade," ACS Nano 10 (7), pp.7058-7063 (2016).
- C. Huck, J. Vogt, T. Neuman, T. Nagao, R. Hillenbrand, J. Aizpurua, A. Pucci, and F. Neubrech, "Strong coupling between phonon-polaritons and plasmonic nanorods," Optics Express 24 (22), pp.25528-25539 (2016).
- T. D. Dao, G. Han, N. Arai, T. Nabatame, Y. Wada, C. Hoang, M. Aono, and T. Nagao, "Plasmon-mediated photocatalytic activity of wet-chemically prepared ZnO nanowire arrays," Physical Chemistry Chemical Physics 17 (11), pp.7395-7403 (2015).
- S. Singh, Gandham Lakshminarayana, Manoj Sharma, T. D. Dao, K. Chen, Y. Wada, T. Takeda, and T. Nagao, "Excitation Induced Tunable Emission in Ce3+/Eu3+ Codoped BiPO4 Nanophosphors," Journal of Spectroscopy 2015, 493607 pp.1-10 (2015).
- S. Kushida, D. Braam, C. Pan, T. D. Dao, K. Tabata, K. Sugiyasu, M. Takeuchi, S. Ishii, T. Nagao, A. Lorke, and Y. Yamamoto, "Whispering Gallery Resonance from Self-Assembled Microspheres of Highly Fluorescent Isolated Conjugated Polymers," Macromolecules 48 (12), pp.3928-3933 (2015).
- K. Yoshioka, Y. Minami, K. Shudo, T. D. Dao, T. Nagao, M. Kitajima, J. Takeda, and I. Katayama, "Terahertz-field-induced Nonlinear Electron Delocalization in Au Nanostructures", Nano Letters 15 (2), pp.1036-1040 (2015).
- K. Chen, B. B. Rajeeva, Z. Wu, M. Rukavina, T. D. Dao, S. Ishii, M. Aono, T. Nagao, and Y. Zheng, "Moire Nanosphere Lithography," ACS Nano 9 (6), pp.6031-6040 (2015).
- H .Liu, X. Meng, T. D. Dao, H. Zhang, P. Li, K. Chang, T. Wang, M. Li, T. Nagao, and J. Ye, "Conversion of Carbon Dioxide by Methane Reforming under Visible-Light Irradiation: Surface-Plasmon-Mediated Nonpolar Molecule Activation," Angewandte Chemie-International Edition 54 (39), pp.11545-11549 (2015).
- G. Lakshminarayana, T.D. Dao, K. Chen, Manoj Sharma, T. Takeda, M.G. Brik, I.V. Kityk, Sarabjot Singh, and T. Nagao, "Effect of different surfactants on structural and optical properties of Ce3+ and Tb3+ co-doped BiPO4 nanostructures," Optical Materials 39, pp110-117 (2015).
- R. Kodiyath, M. Manikandan, L. Lequan, G. Ramesh, S. Koyasu, M. Miyauchi, Y. Sakuma, T. Tanabe, T. Gunji, D. Thang, S. Ueda, T. Nagao, J. Ye, and H. Abe, "Visible-light Photodecomposition of Acetaldehyde by TiO2-coated Gold Nanocages: Plasmon-mediated Hot Electron Transport via Defect States," Chemical Communications 50 (98), pp.15553-15556 (2014).
- Do Dang Trung, Nguyen Duc Hoa, Pham Van Tong, Nguyen Van Duy, T. D. Dao, C.V. Hoang, T. Nagao, and Nguyen Van Hieu, "Effective decoration of Pd nanoparticles on the surface of SnO2 nanowires for enhancement of CO gas-sensing performance," Journal of Hazardous Materials 265, pp.124-132 (2014).
- Dequan Liu, Xi Wang, Deyan He, Duythang Dao, Tadaaki Nagao, Qunhong, Weng, Daiming Tang, XuebingWang, Wei Tian, Dmitri Golberg, and Yoshio Bando, "Magnetically Assembled Ni@Ag Urchin-Like Ensembles with Ultra-Sharp Tips and Numerous Gaps for SERS Applications," Small 10 (13), pp.2564-2569 (2014).
- R. P. Sugavaneshwar, T. Nagao, K. K. Nanda, "Carbon nanotube mat as substrate for ZnO nanotip field emitters," RSC Advances 2, pp2713-2716 (2012).
- K. Yokota, J. Takeda, C. Dang, G. Han, D. McCarthy, T. Nagao, S. Hishita, M. Kitajima, and I. Katayama, "Surface Metallic States in Ultrathin Bi(001) Films Studied With Terahertz Time-domain Spectrsoscopy," Appl. Phys. Lett. 100, 251605-1 -4 (2012).
- H. Kotaka, F. Ishii, M. Saito, T. Nagao, and S. Yaginuma, "Edge States of Bi Nanoribbons on Bi Substrates: First-Principles Density Functional Study," Japanese Journal of Applied Physics 51, p025201-1 -4 (2012).
- C. V. Hoang, and T. Nagao, (Invited paper) "Optically monitored Growth of Plasmonic Silver Nano-disks," e-J. Surface Science and Nanothchnology 10 239-242(2012).
- G. Han, D. Weber, F. Neubrech, I. Yamada, M. Mitome, Y. Bando, A. Pucci, and T. Nagao, "Infrared spectroscopic and electron microscopic characterization of gold nanogap structure fabricated by focused ion beam," Nanotechnology 22, 275202-1-7 (2011).
- D. Weber, P. Albella, P. Alonso-González, F. Neubrech, H. Gui, T. Nagao, R. Hillenbrand, J.Aizpurua, and A. Pucci "Longitudinal and transverse coupling in infrared gold nanoantenna arrays: long range versus short range interaction regimes," Optic Express 19, 15047-15061 (2011).
- Shin Yaginuma and Tadaaki Nagao, "Softening versus hardening transition in surface bilayer bonding of bismuth nanofilm," Physical Review B 82, 045422 (2010).
- Michael V. Lee, Dominik Enders, Tadaaki Nagao, and Katsuhiko Ariga, "Characteristic IR C=C Stretch Enhancement in Monolayers by Nonconjugated, Noncumulated Unsaturated Bonds," Langmuir 26(7), 4594–4597 (2010).
- H. V. Chung, C. J. Kubber, G. Han, S. Rigamonti, D. Sanchez-Portal, D. Enders, A. Pucci, and T. Nagao, "Optical detection of plasmonic and electronic excitations in 1 nm-wide indium atomic wires," Applied Physics Letters 96, 243101-1 -3 (2010).
- F. Neubrech, D. Weber, D. Enders, T. Nagao, A. Pucci, "Antenna sensing of surface polaritons," J. Physical Chemistry C, 114 (16), pp 7299–7301 (2010).
- E. P. Rugeramigabo, C. Tegenkamp, and H. Pfnür, T. Inaoka, and T. Nagao, "One-dimensional plasmons in ultrathin metallic silicide wires of finite width," Physical Review B 81, 165407-1-5 (2010).
- K. Nomura, T. Nagao, B.L. Cho, H. Katsuda, T. Matsumura, and C. Oshima, "Thermodynamically stable single-atom tips of Au-Mo alloy," Journal of Vacuum Science and Technology B 27, 2432-2434 (2009).
- H. Kotaka, F. Ishii, M. Saito, K. Sawada, Y. Uramoto, T. Nagao, and S. Yaginuma, "Relativistic Effect on the Bistability of Bi {012} Nanofilms," e-Journal of Surface Science and Nanotechnology 7, pp13-16 (2009).
- Chung Vu Hoang, Markus Klevenz, Robert Lovrincic, Frank Neubrech, Olaf Skibbe, Annemarie Pucci, Mieczysław Jałochowski, and T. Nagao, "Studies on gold atom-chains and lead nanowires on Si(557) vicinal surfaces," Journal of Physics: Conference Series 187, 012025-1 -6 (2009).
- Y. Fujikawa, S. Kuwano, K. S. Nakayama, T. Nagao, J.T. Sadowski, R. Z. Bahktizin, T. Sakurai, Y. Asari, J. Nara, and T. Ohno, "Fluorine diffusion assisted by diffusing Si on the Si(111)-(7x7) surface ," Journal of Chemical Physics 129, 234710-1 4 (2008).
- T. Yamanaka, J.-L. Wang, T. Nagao, S. Yaginuma, C. Liu, A.V. Tupkalo, and T. Sakurai, "Growth of atomically flat films and surface super structures of intrinsic liquid alloys," Applied Physics Letters 92, 143116-1-3 (2008).
- T. Nagao, "Characterization of atomic-level plasmonic structures by low-energy EELS," Surface and Interface Analysis 40, 1764-1767 (2008).
- T. Hirahara, K. Miyamoto, A. Kimura, Y. Niinuma, G. Bihlmayer, E. V. Chulkov, T. Nagao, I Matsuda, S. Qiao, K. Shimada, H. Namatame, M. Taniguchi, and S. Hasegawa, "Origin of the surface-state band splitting in ultrathin Bi films: from a Rashba effect to a parity effect," New Journal of Physics 10, 083038 1-12 (2008).
- E. P. Rugeramigabo, T. Nagao, H. Pfnuer, "Experimental investigation of two-dimensional plasmons in a DySi2 monolayer on Si(111)," Physical Review B 78, 155402-1 -6 (2008).
- D. Enders, and T. Nagao, "Optically monitored wet-chemical preparation of SEIRA active nanostructures," Surface and Interface Analysis 40, 1681-1683 (2008).
- C. Liu, T. Inaoka, S. Yaginuma, T. Nakayama, M. Aono, and T. Nagao, "Excitation of one-dimensional plasmons in Si and Au-Si complex atom wires," Nanotechnology 19, 355204-1 -5 (2008).
- C. Liu, T. Inaoka, S. Yaginuma, T. Nakayama, M. Aono, and T. Nagao, "Disappearance of the quasi-one-dimensional plasmon at the metal-insulator phase transition of indium atomic wires," Physical Review B 77, 205415-1 -5 (2008).
- T. Nagao, S. Yaginuma, T. Inaoka, V. U. Nazarov, T. Nakayama, and M. Aono, "Plasmon confinement in atomically thin and flat metallic films," Proceedings of SPIE 6641, 664116-1 -9 (2007).
- T. Nagao, S. Yaginuma, T. Inaoka, T. Sakurai, and D. Jeon, "Sound-wave-like collective electronic excitations in Au atom chains," Journal of the Physical Society of Japan 76, 114714-1 -8 (2007).
- T. Inaoka, and T. Nagao, "Exchange-correlation effects on low-dimensional plasmons in a quantum-wire array," Materials Transactions 48 No. 4, pp718-721 (2007).
- T. Hirahara, T. Nagao, I. Matsuda, G. Bihlmayer, E. Chulkov, Y. Koroteev, P. M. Echenique, S. Hasegawa, "Quantum well states in ultrathin Bi films from angle-resolved photoemission spectroscopy and first-principles calculations," Physical Review B 75, pp 035422-1 - 9 (2007).
- T. Hirahara, K. Miyamoto, I. Matsuda, T. Kadono, A. Kimura, T. Nagao, G. Bihlmayer, E. V. Chulkov, S. Qiao, K. Shimada, H. Namatame, M. Taniguchi, S. Hasegawa, "Direct Observation of Spin Splitting in Bismuth Surface States," Physical Review B 76, 153305 (2007).
- T. Hirahara, I. Matsuda, S. Yamazaki, N. Miyata, T. Nagao, and S. Hasegawa, "Large surface-state conductivity in ultrathin Bi films," Applied Physics Letters 91, 202106-1 -3 (2007).
- S. Yaginuma, T. Nagao, J. T. Sadowski, M. Saito, K. Nagaoka, Y. Fujikawa, T. Sakurai, and T. Nakayama, "Origin of Flat Morphology and High Crystallinity of Ultrathin Bismuth Films," Surface Science 601, 3593-3600 (2007).
- S. Yaginuma, K. Nagaoka, T. Nagao, G. Bihlmayer, Y. M. Koroteev, E. V. Chulkov, and T. Nakayama, "Electronic Structure of Ultrathin Bismuth Films with A7 and Black-Phosphorus-like Structures, (Selected as Papers of Editors’ Choice)" Journal of the Physical Society of Japan 77, 014701-1 -5 (2007).
- M. Saito, Y. Takemori, T. Hashi, and T. Nagao, "Comparative study of atomic and electronic structures of P and Bi nanofilms," Japanese Journal of Applied Physics 46, 7824-7828(2007).
- H. Kakuta, T. Hirahara, I. Matsuda, T. Nagao, S. Hasegawa, N. Ueno, and K. Sakamoto, "Electronic structures of the highest occupied molecular orbital-derived bands of a pentacene ultra-thin film," Physical Review Letters 98, 247601-1 -4 (2007).
- D. Enders, T. Nagao, and T. Nakayama, "Two-Step Desorption Process of Au Nanoparticles in D2O Suspension from the Amino-terminated SiO2/Si Substrate Induced by Small Thiol Molecules," Japanese Journal of Applied Physics Vol. 46, No 5A, pp. 3020-3023 (2007).
- D. Enders, T. Nagao, and T. Nakayama, "In Situ Surface Enhanced Infrared Absorption Spectroscopy for the Analysis of the Adsorption and Desorption Process of Au Nanoparticles on the SiO2/Si Surface," Langumuir 23, 6119-6125 (2007).
- D. Enders, T. Nagao, and T. Nakayama, and M. Aono, "Precisely Controlled Fabrication of Highly Sensitive Au Sensor Film for Surface Enhanced Spectroscopy," Japanese Journal of Applied Physics 49 (Express Letters), L1222-1224 (2007).
- A. I. Oreshkin, J. T. Sadowski, T. Nagao, S. Yaginuma, Y. Fujikawa, T. Sakurai, M. Saito, and T. Ohno, "STM/STS Studies of the Initial Stage of Growth of Ultra-Thin Bi Films on 7x7-Si(111) surface," International Journal of Nanoscience, Vol. 6, No.5, 399-401 (2007).
- T. Nagao, S. Yaginuma, T. Inaoka, and T. Sakurai, "One-dimensional plasmon in an atomic-scale metal wire," Physical Review Letters 97, 116802-1 -4 (2006).
- T. Hirahara, T. Nagao, I. Matsuda, G. Bihlmayer, E. Chulkov, Y. Koroteev, P. M. Echenique, M. Saito, S. Hasegawa, "Role of Spin-orbit coupling and hybridization effects in the electronic structure of ultrathin Bi films," Physical Review Letters 97, 146803-1 - 4 (2006).
- K. Nagaoka, S. Yaginuma, T. Nagao, and T. Nakayama, "Local electronic structure of a quantum point contact observed with STM," Physical Review B 74, 033310-1-4(2006).
- K. Nagaoka, S. Yaginuma, T. Nagao, and T. Nakayama, "Bias dependence of STM profiles around the quantum point contact," (ECOSS23 proceedings) Surface Science 600, 4319-4322 (2006).
- J. T. Sadowski, T. Nagao, S. Yaginuma, Y. Fujikawa, T. Sakurai, A. Oreshkin, M. Saito, and T. Ohno, "Stability of the quasicubic phase in the initial stage of the growth of bismuth films on Si(111)-7x7," Journal of Applied Physics 99, 014904-1-4 (2006).
- D. Enders, T. Nagao, A. Pucci, and T. Nakayama, "Reversible adsorption of Au nanoparticles on SiO2/Si: an in situ ATR-IR study," Surface Science 600, L71-75 (2006).
- Y. Fujikawa, T. Nagao, Y. Yamada-Takamura, T. Sakurai, T. Hashimoto, Y. Morikawa, K. Terakura, and M. G. Lagally, "Hydrogen-Induced Instability of the Ge(105) Surface," Physical Review Letters 94, 086105-1-4 (2005).
- T. Nagao, J.T. Sadowski, M. Saito, S. Yaginuma, T. Kogure, T. Ohno, S. Hasegawa, and T. Sakurai, "Strong Lateral Growth and Crystallization via Two-dimensional Allotropic Transformation of Semimetal Bi Film," Surface Science. 590, L247-L252 (2005).
- J.T. Sadowski, T. Nagao, S. Yaginuma, Y. Fujikawa, A. Al-Mahoob, K. Nakajima, T. Sakurai, G. E. Thayer, and R. Tromp, "Thin Bi film as a template for Pentacene growth," Applied Physics Letters 86, 073109-1 -3 (2005).
- T. Nagao, J.T. Sadowski, M. Saito, S. Yaginuma, T. Kogure, T. Ohno, Y. Fujikawa, S. Hasegawa, and T. Sakurai, "Nanofilm Allotrope and Structural Transformation of Bi film on Si(111)-7x7," Physical Review Letters 93, 105501-1 -4 (2004).
- S. Kuwano, Q. -Z. Xue, Y. Asano, Y. Fujikawa, Q. -K. Xue, K. S. Nakayama, T. Nagao, and T. Sakurai, "Bilayer-by-bilayer etching of 6H-GaN (0001) with Cl," Surface Science 561, L213-217 (2004).
- K.H. Wu, A. I. Oreshkin, Y. Takamura, Y. Fujikawa, T. Nagao, T. Briere, V. Kumar, Y. Kawazoe, R. F. Dou, Q.-K. Xue and T. Sakurai, "Step-by-step cooling of a two-dimensional Na gas on the Si(111)-(7x7) surface," Phys. Rev. B 70, 195417-1 -4 (2004).
- A. I. Oreshkin, N.S. Maskova, V.I. Panov, I.V. Radchenko, K.H. Wu, Q.Z. Xue, T. Nagao, "New Au-induced reconstructed phases on the GaN(0001) surface," Physics of Low-Dimensional Structures 1-2, 165-171 (2004).
- T. Sekiguchi, T. Nagao, and S. Hasegawa, "Transformation dynamics in Ca-induced reconstructions on Si(111) surface," e-J. Surf. Sci. Nanotech. Vol. 1, 26-32 (2003).
- S. Yaginuma, T. Nagao, J.T. Sadowski, A. Pucci, Y. Fujikawa, and T. Sakurai, "Surface pre-melting and surface flattening of Bi nanofilm on Si(111)-7x7," Surface Science, 547, L877-L881 (2003).
- R. Z. Bakhtizin, K. H. Wu, Q. Z. Xue, Q. K. Xue, T. Nagao, and T. Sakurai, "STM study of Ag film initial stages growth on a GaN(0001) surface grown by MBE," Phys. Low-Dimensional Structures 3-4, 21-29 (2003).
- N. S. Maslova, V. I. Panov, K. Wu, Q. Z. Xue, T. Nagao, and A. I. Oreshkin, "Tunneling Conductivity Features of the New Reconstructed Phases on the GaN(0001) Surface," JETP Letters, Vol. 78, No. 9, pp. 578–582 (2003).
- Kehui Wu, Y. Fujikawa, T. Nagao, Y. Hasegawa, K. S. Nakayama, Q. K. Xue, E. G. Wang, T. Briere, V. Kumar, Y. Kawazoe, S. B. Zhang, and T. Sakurai, "Na Adsorption on The Si(111)-(7x7) Surface: From Two Dimensional Gas to Nanocluster Array," Physical Review Letters 91, 126101-1 -4 (2003).
- Kehui Wu, Q. Z. Xue, R. Z. Bakhtizin, Y. Fujikawa, X. Li, T. Nagao, Q. K. Xue, and T. Sakurai, "Layer-by-layer growth of Ag on GaN(0001) surface," Applied Physics Letters 82, 1389-1391 (2003). [Erratum: 82, 3991 (2003)].
- J.T. Sadowski, T. Nagao, M. Saito, A. Oreshkin, S. Yaginuma, S. Hasegawa, T. Ohno, and T. Sakurai, "STM/STS studies of the structural phase transition in the growth of ultra-thin Bi films on Si(111)," Acta Physica Polonica A 104, 381-387 (2003).
- Y. Fujikawa, J.T. Sadowski, K.F. Kelly, K.S. Nakayama, T. Nagao and T. Sakurai, "Fluorine etching on the Si(111)-7x7 surfaces using fluorinated fullerene," Surface Science 521 (1-2), 43-48 (2002).
- Y. Fujikawa , K. Akiyama, T. Nagao, T. Sakurai, M.G. Lagally, T. Hashimoto, Y. Morikawa and K. Terakura, "Origin of the stability of Ge(105) on Si: A new structure model and surface strain relaxation," Physical Review Letters 88, 176101-1-4 (2002).
- V.U. Nazarov, S. Nishigaki and T. Nagao, "Nonlinear mechanism of plasmon damping in electron gas," Physical Review B 66 (9), 092301-1 -4 (2002).
- T. Inaoka, T. Nagao, S. Hasegawa, T. Hildebrandt and M. Henzler, "Two-dimensional plasmon in a metallic monolayer on a semiconductor surface: Exchange-correlation effects," Physivcal Review B 66 (24), 245320-1 -8 (2002).
- X. Tong, S. Ohuchi, N. Sato, T. Tanikawa, T. Nagao, I. Matsuda, Y. Aoyagi, and S. Hasegawa, "Electronic structure of Ag-induced √3x√3 and √21x√21 superstructures on the Si(111) surface studied by angle-resolved photoemission spectroscopy and scanning tunneling microscopy," Physical Review B 64 (20): 205316-1 -9 (2001).
- T. Tanikawa, T. Nagao and S. Hasegawa, "Growth mode and electrical conductance of Ag layers on Si(001) surface," Surface Science 493 (1-3), 389-398 (2001).
- T. Sekiguchi, F. Shimokoshi, T. Nagao, and Shuji Hasegawa, "A series of Ca-induced reconstructions on Si(111) surface," Surface Science 493 (1-3), 148-156 (2001).
- T. Sekiguchi, F. Shimokoshi, T. Nagao, and S. Hasegawa, "A series of Ca-induced reconstructions on Si(111) surface," Surface Sci. 493 (1-3), 148-156 (2001).
- T. Nagao, T. Hildebrandt, M. Henzler, S. Hasegawa, "Two-dimensional plasmon in a surface-state band," Surface Science, 493/1-3, 680-686 (2001).
- T. Nagao, T. Hildebrandt, M. Henzler, S. Hasegawa, "Observation of a two-dimensional plasmon in a metallic monolayer on silicon surface," Proceedings of 25th International Conference on the Physics of Semiconductors, eds. N. Miura and T. Ando, (ICPS25), 875-876 (2001).
- T. Nagao, T. Hildebrandt, M. Henzler, and S. Hasegawa, "Dispersion and damping of a two-dimensional plasmon in a metallic surface-state band," Physical Review Letters 86, 5747-5750 (2001).
- Serguei V. Ryjkov, T. Nagao, Victor Lifshits and Shuji Hasegawa, "Phase transition and stability of Si(111)8x'2'-In surface phase at low temperatures," Surface Science 488, 15-22 (2001).
- S. V. Ryjkov, T. Nagao, V. G. Lifshits and S. Hasegawa, "Surface roughness and electrical resistance on Si(100)-2x3-Na surface," Surface Science 493 (1-3), 619-625 (2001).
- I. Shiraki, F. Tanabe, R. Hobara, T. Nagao and S. Hasegawa, "Independently driven four-tip probes for conductivity measurements in ultrahigh vacuum," Surface Science 493 (1-3), 633-643 (2001).
- I. Matsuda, H.W. Yeom, T. Tanikawa, K. Tono, T. Nagao, S. Hasegawa, and T. Ohta, "Growth and electron quantization of metastable silver films on Si(001)," Physical Review B 63, 125325-1 -9 (2001).
- F.X. Shi, I. Shiraki, T. Nagao and S. Hasegawa, "Electromigration and phase transformation of Ag on a Cu-precovered Si(111) surface," Surface Science 493 (1-3), 331-337 (2001).
- T. Nagao, T. Doi, T. Sekiguchi, and S. Hasegawa, "Epitaxial growth of single-crystal ultrathin films of Bismuth on Si(111)," Japanese Journal of Applied Physics 39, 4567-4570 (2000).
- T. Nagao, and S. Hasegawa, "Construction of an ELS-LEED - an electron energy loss spectrometer with electrostatic two-dimensional angular scanning," Surface and Interface Analysis 30, 488-492 (2000).
- S. Hasegawa, N. Sato, I. Shiraki, C. L. Petersen, P. Boggild, T. M. Hansen, T. Nagao and F. Grey, "Surface-State Bands on Silicon-Si(111)-√3x√3-Ag Surface superstructure," Japanese Journal of Applied Physics 39, 3815-3822 (2000).
- S. Hasegawa, K. Tsuchie, K. Toriyama, X. Tong and T. Nagao "Surface electronic transport on silicon; Donor- and acceptor-type adsorbates on Si(111)-√3x√3Ag substrate," Applied Surface Science 162/163, 42-47 (2000).
- I. Shiraki, T. Nagao, S. Hasegawa, C. L. Petersen, P. Boggild, T. M. Hansen and F. Grey, "Micro-Four-Point Probes in a UHV Scanning Electron Microscope for In-Situ Surface Conductivity Measurements," Surface Review and Letters 7 (Nos.5&6) 533-537 (2000).
- F. X. Shi, I. Shiraki, T. Nagao and S. Hasegawa, "Substrate-structure dependence of Ag electromigration on Au-precovered Si(111) surfaces," Japanese Journal of Applied Physics 39, 4438-4442 (2000).
- F. X. Shi, I. Shiraki, T. Nagao and S. Hasegawa, "Diffusion Anisotropy of Ag and In on Si(111) Surface Studied by UHV SEM," Ultramicroscopy 85, 23-33 (2000).
- T. Nagao, S. Ohuchi, Y. Matsuoka and S. Hasegawa, "Morphology of ultrathin manganese silicide on Si(111)," Surface Science 419, 134-143 (1999).
- N. Sato, T. Nagao, and S. Hasegawa, "Si(111)-√3x√3-Ag surface at low temperatures-symmetry breaking and surface twin boundaries," Surface Science 442, 65 73 (1999).
- N. Sato, T. Nagao and S. Hasegawa, "Two-dimensional adatom gas phase on the Si(111)-√3x√3-Ag surface directly observed by scanning tunneling microscopy," Physical Review B 60, 16083-16087 (1999).
- N. Sato, S. Takeda, T. Nagao, and S. Hasegawa, "Electron standing waves on the Si(111)-√3x√3Ag surface," Physical Review, B 59, 2035-2039(1999).
- K. Tsuchie, T. Nagao and S. Hasegawa, "Structure of C60 layers on the Si(111)-√3x√3Ag surface," Physical Review B 60, 11131-11134 (1999).
- K. Horikoshi, T. Nagao, and S. Hasegawa, "Structural phase transition on Pb-adsorbed Si(111) surface," Physical Review B 60, 13287-13290 (1999).
- H. W. Yeom, S. Takeda, E. Rotenberg, I. Matsuda, K. Horikoshi, J. Schaefer, C. M. Lee, S. D. Kevan, T. Ohta, T. Nagao, and S. Hasegawa, "Instability and charge density wave of metallic quantum chains on a silicon surface," Physical Review Letters 82, 4898-4901 (1999).
- X. Tong, Y. Sugiura, T. Nagao, T. Takami, S. Takeda, S. Ino and S. Hasegawa, "STM observations of Ag adsorption on the Si(111)-√3xv3Ag surface at low temperatures," Surface Science 408, 146-159 (1998).
- T. Nagao, C. Voges, K. Tsuchie, G. Klos, H. Pfnuer, M.Henzler, S. Ino, and S.Hasegawa, "Structural phase transitions of Si(111)-(√3x√3)R30-Au: transitions in domain wall configurations," Physical Review B 57, 10100-10109 (1998).
- T. Nagao, C. Voges, H. Pfnuer, M. Henzler, S. Ino, and S. Hasegawa, "Diffraction from small antiphase domains alpha-√3x√3, beta-√3x√3, 6x6 phases of Au adsorbed Si(111)," Applied Surface Science, 130-132, 47-53 (1998).
- S. Hasegawa, X. Tong, C.-S. Jiang, Y. Nakajima, and T. Nagao, "Two-dimensional electron systems made of surface-state bands on semiconductors," in The Electron (Proceedings of The International Centennial Symposium on the Electron), Eds. A. Kirkland and P. D. Brown, (IOM Communications, 1998) pp. 363-375 (1998).
- S. Hasegawa, C.-S. Jiang, Y. Nakajima and T. Nagao, "Surface electrical conduction correlated with surface structures and atom dynamics," Surface Review and Letters 5, 803-819 (1998).
- Y.Nakajima, S.Takeda, T. Nagao, S.Hasegawa and X.Tong, "Surface electrical conduction due to carrier doping into a surface-state band on Si(111)-√3x√3-Ag," Physical Review B 56, 6782 (1997).
- Y. Nakajima, C. Voges, T. Nagao, S. Hasegawa, G. Klos, and H. Pfnuer, "Critical scattering at the order-disorder phase transition of Si(111)-√3x√3-Au surface: A phase transition with particle exchange," Physical Review B 55, 8129-8135 (1997).
- T. Nagao, Y. Iizuka, T. Shimazaki, and C. Oshima, "Surface phonons of Na-induced superstructures on Al(111)," Physical Review B 55, 10064 -10073 (1997).
- S. Hasegawa, X. Tong, C.-S. Jiang, Y. Nakajima and T. Nagao, "Electrical conduction via surface-state bands," Surface Science 386, 322-327 (1997).
- Y. Nakajima, G. Uchida, T. Nagao and S. Hasegawa, "Two-dimensional adatom gas on the Si(111)-√3x√3-Ag detected through changes in electrical conduction," Physical Review B 54, 14134-14138 (1996).
- N. Yamamoto, T. Nagao E. Rokuta, Y. Hasegawa, M. Trenary, C. Oshima, "Oxygen adsorption on the LaB6(100) and (111) surfaces," Surface Science 357/358, 708-711 (1996).
- N. Yamamoto, E. Rokuta, Y. Hasegawa, T. Nagao M. Trenary,C. Oshima, and S. Otani, "Vibrational spectra of oxygen on the LaB6(100), (110), and (111) surfaces," Surface Science 348, 133-142 (1996).
- N. Yamamoto, E. Rokuta, Y. Hasegawa, T. Nagao M. Trenary, C. Oshima, "Oxygen adsorption sites on the PrB6(100) and LaB6(100) surfaces," Journal of Vacuum Science and Technology A, vol. 14, No. 3, PT2, 1674-1678 (1996).
- E. Rokuta, T. Nagao, N. Yamamoto, Y. Hasegawa, M. Trenary,C. Oshima, "Surface phonon dispersion curves of the LaB6(111) surface," Surface Science 357/358, 712-716 (1996).
- T. Nagao, Y. Iizuka, M. Umeuchi, T. Shimazaki, C. Oshima, "Vibrations of alkali- metal atoms chemisorbed on the Al(111) surface," Surface Science 329, 269-275 (1995).
- T. Nagao, K. Kitamura,Y. Iizuka, M. Umeuchi, C. Oshima, "Deformation of octahedra at LaB6(100) surface studied by HREELS," Surface Science 288, 391-395 (1993).
- T. Nagao, K. Kitamura, Y. Iizuka, M. Umeuchi, C. Oshima, "Surface phonons of LaB6(100): deformation of boron octahedra at the surface," Surface Science 290,436-444 (1993).
- K. Kitamura, T. Nagao T. Osaka, R. Franchy, and C. Oshima, "Surface Phonon Dispersion Curves of NiAl(111)," Japanese Journal of Applied Physics 32, 3252-3256 (1993).
- C. Oshima, M. Umeuchi, T. Nagao and R. Franchy, "Surface atomic structure and surface force constants: Cu(100)-2√2x2√2R45-O and LaB6(100)," Surface Science 298, 450-455 (1993).