PUBLICATIONS - T. Furubayashi

2011

The effect of substitution of Fe with Cr on the giant magnetoresistance of current-perpendicular-to-plane spin valves with Co2FeSi Heusler alloy
H.S. Goripati, T. Furubayashi, S.V. Kathik, T.M. Nakatani, Y. K. Takahashi and K. Hono, J. Appl. Phys. 109, 043901 (2011).

Large magnetoresistance in current-perpendicular-to-plane pseudospin valve using a Co2Fe(Ge0.5Ga0.5) Heusler alloy
Y. K. Takahashi, A. Sinivasan, B. Varaprasad, A. Rajanikanth, N. Hase, T.M. Nakatani, S. Kasai, T. Furubayashi and K. Hono, Appl. Phys. Lett. 98, 152501 (2011).

Interfacial resistance and spin-dependent scattering in the current-perpendicular-to-plane giant magnetoresistance using Co2Fe(Al0.5Si0.5) Heusler alloy and Ag
T. M. Nakatani, T. Furubayashi and K. Hono, J. Appl. Phys. 109, 07B724 (2011).

2010

Structure and transport properties of current-perpendicular-to-plane spin valves using Co2FeAl0.5Si0.5 and Co2MnSi Heusler alloy electrodes
T. Furubayashi, K. Kodama, T. M. Nakatani, H. Sukegawa, Y. K. Takahashi, K. Inomata and K. Hono, J. Appl. Phys. 107, 113917 (2010).

Bulk and interfacial scatterings in current-perpendicular-to-plane giant magnetoresistance with Co2Fe(Al0.5Si0.5) Heusler alloy layers and Ag spacer
T. M. Nakatani, T. Furubayashi, S. Kasai, H. Sukegawa, Y. K. Takahashi, S. Mitani and K. Hono, Appl. Phys. Lett. 96, 212501 (2010).

Tunnel magnetoresistance with improved bias voltage dependence in lattice-matched Fe/spinel MgAl2O4/Fe(001) junctions
H. Sukegawa, H. X. Xiu, T. Ohkubo, T. Furubayashi, T. Niizeki, W. H. Wang, S. Kasai, S. Mitani, K. Inomata and K. Hono, Appl. Phys. Lett. 96, 212505 (2010).

High spin-filter efficiency in a Co ferrite fabricated by a thermal oxidation
Y. K. Takahashi, S. Kasai, T. Furubayashi, S. Mitani, K. Inomata and K. Hono, Appl. Phys. Lett. 96, 072512 (2010).

Spin-transfer switching in an epitaxial spin-valve nanopillar with a full-Heusler Co2FeAl0.5Si0.5 alloy
H. Sukegawa, S. Kasai, T. Furubayashi, S. Mitani and K. Inomata, Appl. Phys. Lett. 96, 042508 (2010).

Current-perpendicular-to-plane spin valves with a Co2Mn(Ga0.5Sn0.5) Heusler alloy
N. Hase, B.S.D.C.S. Varaprasad, T.M. Nakatani, H. Sukegawa, S. Kasai, Y.K. Takahashi, T. Furubayashi and K. Hono, J. Appl. Phys. 108, 09316 (2010).

Current-perpendicular-to-the-plane giant magnetoresistance of an all-metal spin valve structure with Co40Fe40B20 magnetic layer
C. Y. You, M. Tian, H. S. Goripati and T. Furubayashi, Appl. Phys. Lett. 96, 142503 (2010).

Influence of random substitution on magnetocaloric effect in a spinel ferrite
H. Mamiya, N. Terada, T. Furubayashi, H. S. Suzuki and H. Kitazawa, J. Magn. Magn. Mater. 322, 1561 (2010).

Structural refinement of T2Mo3O8 (T=Mg, Co, Zn and Mn) and anomalous valence of trinuclear molybdenum clusters in Mn2Mo3O8
H. Abe, A. Sato, N. Tsujii, T. Furubayashi and M. Shimoda, J. Solid State Chem. 183, 379 (2010).

Mossbauer studies on FeSe and FeTe
Y. Mizuguchi, T. Furubayashi, K. Deguchi, S. Tsuda, T. Yamaguchi and Y. Takano, Physica C 470, S338 (2010).

2009

Interlayer exchange coupling in Co2FeAl0.5Si0.5/Cr/Co2FeAl0.5Si0.5 trilayers
T. Furubayashi, K. Kodama, H. S. Goripati, Y. K. Takahashi, K. Inomata and K. Hono, J. Appl. Phys. 105, 07C305 (2009).

Current-perpendicular-to-plane giant magnetoresistance of a spin valve using Co2MnSi Heusler alloy electrodes
K. Kodama, T. Furubayashi, H. Sukegawa, T. M. Nakatani, K. Inomata and K. Hono, J. Appl. Phys. 105, 07E905 (2009).

Demonstration of half-metallicity in Fermi-level-tuned Heusler alloy Co2FeAl0.5Si0.5 at room temperature
R. Shan, H. Sukegawa, W. H. Wang, M. Kodzuka, T. Furubayashi, T. Ohkubo, S. Mitani, K. Inomata and K. Hono, Phys. Rev. Lett. 102, 246601 (2009).

Indium-Based Perovskites: A New Class of Near-Room-Temperature Multiferroics
A. A. Belik, T. Furubayashi, Y. Matsushita, M. Tanaka, S. Hishita and E. Takayama-Muromachi, Angew. Chem. Int. Ed. 48, 6117 (2009).

mu SR study of thiospinel CuCrZrS4
H. S. Suzuki, T. Furubayashi, Y. Kawashima, S. Nagata, T. Suzuki, T. Kawamata, I. Watanabe, T. matsuzaki and A. Amato, Physica B Cond. Matter, 404, 649 (2009).

2008

Current-perpendicular-to-plane giant magnetoresistance in spin-valve structures using epitaxial Co2FeAl0.5Si0.5/Ag/Co2FeAl0.5Si0.5 trilayers,
T. Furubayashi, K. Kodama, H. Sukegawa, Y. K. Takahashi, K. Inomata and K. Hono, Appl. Phys. Lett. 93, 122507 (2008)

Exchange bias of spin valve structure with a top-pinned Co40Fe40B20/IrMn,
C. Y. You, H. S. Goripati, T. Furubayashi, Y. K. Takahashi and K. Hono, Appl. Phys. Lett. 93, 012501 (2008)

Preparation and characterization of highly L21-ordered full-Heusler alloy Co2FeAl0.5Si0.5 thin films for spintronics device applications,
W. Wang, H. Sukegawa, R. Shan T. Furubayashi and K. Inomata, Appl. Phys. Lett. 92, 221912 (2008).

Thermal embrittlement of Fe-based amorphous ribbons,
G. Kumar, M. Ohnuma, T. Furubayashi, T. Ohkubo and K. Hono, J. Non-Cryst. Solids, 354, 882 (2008).

Observation of energy gap in FeGa3,
N. Tsujii, H. Yamaoka, M. Matsunami, R. Eguchi, Y. Ishida, Y. Senba, H. Ohashi, S. Shin, T. Furubayashi, H. Abe and H. Kitazawa, J. Phys. Soc. Jpn. 77, 024705 (2008)

2007

Comparison of field-cooled, zero-field-cooled, and thermoremanent magnetization in nanomagnet, random magnet, and bulk ferromagnet,
H. Mamiya, S. Nimori, M. Ohnuma, I. Nakatani, M. Demura and T. Furubayashi, J. Magn. Magn. Mater. 316, E535 (2007)

Effect of Dipole-induced magnetic anisotropy in γ-Fe2O3(001) epitaxial films,
H. Yanagihara, J. Hagiwara, M. Nakazumi, E. Kita and T. Furubayashi, Appl. Phys. Lett. 91, 072508 (2007).

Effect of Cr substitution for Fe on the spin polarization of Co2CrxFe1-xSi Heusler alloys,
S.V. Karthik, A. Rajanikanth, T.M. Nakatani, Z. Gercsi, Y.K. Takahashi, T. Furubayashi, K. Inomata and K. Hono, J. Appl. Phys. 102, 043903 (2007).

Pressure effect on the electrical resistance of SrSi2,
M. Imai, T. Naka, H. Abe and T. Furubayashi,
Intermttallics, 15, 956 (2007).

2006

New approach for magnetic relaxations in nanomagnet assemblies,
H. Mamiya, M. Ohnuma, I. Nakataniand T. Furubayashi, Europhys. Lett. 74, 505 (2006).

Low-temperature structural study of the TbPd1-xNixAl series,
J. Prchal, H. Kitazawa, T. Furubayashi, P. Javorsky, K. Koyama and V. Sechovsky, Physica B-Condensed Matter, 378-80, 1102 (2006).

2005

Exchange anisotropy in Fe-MnF2 nanogranular films,
T. Furubayashi and H. Mamiya, IEEE Trans. Magn. 41, 3418 (2005).

Superparamagnetic fluctuation in magnetic nanoparticles: an approach to extremely slow relaxation,
H. Mamiya, M. Ohnuma, T. Furubayashi and I. Nakatani, IEEE Trans. Magn. 41, 3394 (2005).

Non-vanishing hysteresis in a spin-glass,
H. Mamiya, M. Ohnuma, I. Nakatani, S. Nimori and T. Furubayashi, Philosophical Magazine, 85, 109 (2005).

Material preparation and superconducting properties of Li-Pd-B ternary boride,
H. Takeya, K. Yamada, K. Yamaura, T. Mochiku, H. Fujii, T. Furubayashi, K. Hirata and K. Togano, Physica C 426, 411 (2005).

Magnetic properties and thermal expansion of YbGaxGe2-x (0.9<=x<=1.5),
N. Tsujii, T. Furubayashi, H. Kitazawa and G. Kido, J. Alloys and Compounds 393, 41 (2005).

Electrical properties of polycrystalline SrSi2, M. Imai, T. Naka, T. Furubayashi, H. Abe, T. Nakama, and K Yagasaki, Appl. Phys. Lett. 86, 032102 (2005).

2004

Magnetite films prepared by reactive evaporation,
T. Furubayashi, J. Magn. Magn. Mater., 272-276, e781 (2004).

Moessbauer Characterization of Iron-Based Nanogranular Films,
T. Furubayashi, Hyperfine Interactions, 156-157, 47 (2004).

Exchange anisotropy in nano-granular Fe-FeF2 composite films,
T. Furubayashi and H. Mamiya, Physica Status Solidi (c), 1, 3432 (2004).

Large negative magnetoresistance in thiospinel CuCrZrS4,
T. Furubayashi, H. Suzuki, N. Kobayashi and S. Nagata, Solid State Commun. 131, 505 (2004).

X-ray radiation effects on the electrical conduction of CuIr2S4 in the insulating phase,
T. Furubayashi, H. Suzuki, T. Matsumoto and S. Nagata, J. Magn. Magn. Mater. 272-276, 446 (2004).

Classical relaxation of magnetization in magnetic nanoparticles in the Kelvin regime,
H. Mamiya, I. Nakatani, and T. Furubayashi, J. Magn. Magn. Mater. 272-276, 1568 (2004).

Zero-field-cooled and field-cooled magnetization of individual nanomagnets and their assembly,
H. Mamiya, I. Nakatani, and T. Furubayashi, Physica Status Solidi (a) 201, 3345 (2004).

Band-structure theory for the insulating phase of the thio-spinel transition-metal compound CuIr2S4,
T. Sasaki, M. Arai, T. Furubayashi and T. Matsumoto, J. Phys. Soc. Jpn. 73, 1875 (2004).

Preparation of phthalocyanine(3-) species as bulk material by reduction of the dichloro(phthalocyaninato)antimony(V) complex cation,
M.H. Zahir, Y. Kagaya, H. Isago and T. Furubayashi, Inorg. Chimica Acta 357, 2755 (2004).

2003

Magnetoresistance of magnetite films prepared by reactive evaporation,
T. Furubayashi, J. Appl. Phys., 93, 8026 (2003).

X-ray-induced electrical conduction in the insulating phase of thiospinel CuIr2S4,
T. Furubayashi, H. Suzuki, T. Matsumoto and S. Nagata, Solid State Commun. 126, 617 (2003).

Reexamination of macroscopic quantum tunneling observed in ferritin: Magnetic field dependence of magnetic relaxation,
H. Mamiya, I. Nakatani and T. Furubayashi, Superlattice and Microstructures, 32, 179 (2003).

Reexamination of macroscopic quantum tunneling observed in ferritin: temperature dependence of magnetic relaxation,
H. Mamiya, I. Nakatani, and T. Furubayashi, Physica B 329, 1189 (2003).

2002

Magnetic relaxations of antiferromagnetic nanoparticles in magnetic fields,
H. Mamiya, I. Nakatani, and T. Furubayashi, Phys. Rev. Lett. 88, 067202 (2002).

Analyses of superparamagnetism magnetic properties of isolated iron-nitride nanoparticles,
H. Mamiya, I. Nakatani, T. Furubayashi and M. Ohnuma, Trans. Magn. Soc. Jpn. 2, 36 (2002).

2001

Mixed spinel structure in nanocrystalline NiFe2O4,
C.N. Chinnasamy, A. Narayanasamy, N. Ponpandian, K. Chattopadhyay, K. Shinoda, B. Jeyadevan, K. Tohji, K. Nakatsuka, T. Furubayashi and I. Nakatani, Phys. Rev. B, 63, 184108 (2001).

Suppression of metal-to-insulator transition and appearance of superconductivity in Cu1-xZnxIr2S4,
G.H. Cao, T. Furubayashi, H. Suzuki, H. Kitazawa, T. Matsumoto and Y. Uwatoko,Phys. Rev. B 64, 214514 (2001).

2000

Phase transitions of iron-nitride magnetic fluids,
H. Mamiya, I. Nakatani and T. Furubayashi, Phys. Rev. Lett. 84, 6106 (2000).

Superconductivity in Zn-doped CuIr2S4,
G.H. Cao, H. Kitazawa, H. Suzuki, T. Furubayashi, K. Hirata and T. Matsumoto, Physica C 341, 735 (2000).

Metal-insulator transition in Cu1-xZnxIr2S4 system,
G.H. Cao, H. Suzuki, T. Furubayashi, H. Kitazawa and T. Matsumoto, Physica B 281, 636 (2000).

Whiteness of fine hollow microspheres prepared from vitric volcanic materials,
Y. Sakka, K. Sodeyama and T. Furubayashi, J. Ceram. Soc. Japan, 108, 108 (2000).