論文 - 小山 佳一
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T. Fujiwara, Y. Uwatoko, H. Fujii, K. Koyama, M. Motokawa, and T. Shigeoka . The correlation between the phase transition and valence change of the Yb ionic state induced upon pressurization in YbMn2Ge2 . J. Magn. Magn. Matter.272-276 599 - 600 2004年査読
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X. Fan, T. Mashimo, X. Huang, T. Kagayama, A. Chiba, K. Koyama and M. Motokawa . Magnetic properties of Co-Cu metastable solid solution alloys . Phys. Rev. B69 94432 2004年査読
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H. Okada, K. Koyama and K. Watanabe . Two-step structural modulations and Fermi liquid state in spinel compound CuV2S4 . J. Phys. Soc. Jpn.73 3227 - 3230 2004年査読
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H. Okada, K. Koyama, S. Miura, M. Yamada, T. Goto, Y. Makihara, H. Fujii, K. Watanabe, . Pressure effect on the magnetic properties of Ce(Fe1-xCox)2 . J. Phys. Soc. Jpn.73 1982 - 1986 2004年査読
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A. Fujita, K. Fukamichi, K. Koyama, and K. Watanabe . X-ray diffraction study in high magnetic fields of magnetovolume effect in itinerant-electron metamagnetic La(Fe0.88Si0.12)13 compound . J. Appl. Phys.95 6687 - 6689 2004年査読
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M. Kimata, Y. Oshima, H. Ohta, K. Koyama, M. Motokawa, H.M. Yamamoto, and R. Kato . Magnetooptical measurement of β’’-(BEDT-TTF)(TCNQ) . Physica B346-347 382 - 386 2004年査読
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K. Kobayashi, T. Akiya, H. Kato and K. Koyama . Relation between a specific lattice expansion and magnetic anisotropy in Sm2Fe17Nx (0<x<3) samples of intermediate nitrogen concentration . proceedings for 18th workshop on high performance magnets & their applications, (Annecy, 2004) 521 - 528 2004年査読
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K. Watanabe, G. Nishijima, S. Awaji, K. Takahashi, K. Koyama, M. Motokawa, M. Ishizuka, T. Hasebe, and J. Sakuraba . Advances in the first cryogen-free hybrid magnet . IEEE Trans. Appl. Superc. 14 388 - 392 2004年査読
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T. Hasebe, S. Okada, M. Ishizuka, T. Tsurudone. T. Ito, H. Ookubo, J. Sakuraba, K. Watanabe, S. Awaji, K. Koyama, G. Nishijima, and K. Takahashi . Design of a cryocooler-cryocooled large bore superconducting magnet for a 30T hybrid magnet . IEEE Trans. Appl. Superc.14 368 - 371 2004年査読
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T. Kurusu, M. Ono, S. Hanai, M. Kyoto, H. Takigami, H. Takano, K. Watanabe, S. Awaji, K. Koyama, G. Nishijima, K. Togano . A cryocooler-cooled 19 T superconducting magnet with 52 mm room temperature bore . IEEE Trans. Appl. Superc.14 393 - 396 2004年査読
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K. Watanabe, S. Awaji, G. Nishijima, K. Takahashi, K. Koyama, M. Motokawa, and N. Kobayashi . Magnet technology and materials research at the High-Field Laboratory for Superconducting Materials . Physica B346-347 618 - 622 2004年査読
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K. Takahashi, C. Umeki, I. Mogi, K. Koyama, S. Awaji, M. Motokawa, and K. Watababe . Magnetic orientation of paraffin in a magnetic levitation furnace . Physica B346-347 277 - 281 2004年査読
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H. Kato, T. Miyazaki, M. Sagawa and K. Koyama . Coercivity enhancements by high-magnetic-field annealing in sintered Nd-Fe-B magnets . Appl. Phys. Lett.84 4230 - 4232 2004年査読
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K. Irisawa, A. Fujita, K. Fukamichi, M. Yamada, H. Mitamura, T. Goto and K. Koyama . Transition between antiferromagnetic and ferromagnetic states in itinerant-electron La(FexAl1-x)13 compounds . Phys. Rev. B70 214405 2004年査読
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K. Koyama, M. Sakai, T. Kanomata and K. Watanabe . Field-induced martensitic transformation in new ferromagnetic shape memory compound Mn1.07Co0.92Ge . Jpn. J. Appl. Phys.43 8036 - 8039 2004年査読
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D. Kikuchi, T. Kanomata, Y. Yamaguchi, H. Nishihara, K. Koyama, and K. Watanabe . Magnetic properties of ferromagnetic shape memory alloys Ni2Mn1-xFexGa . J. Alloys and Compounds383 184 - 188 2004年査読
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Y. Makihara, K. Koyama, K. Fukushima, K. Watanabe, and H. Fujii . X-ray diffraction study on Ce(Fe1-xCox)2 in high field at low temperature . J. Magn. Magn. Matter.272-276 608 - 610 2004年査読
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K. Koyama, K. Fukushima, Y. Makihara, H. Fujii, and K. Watanabe . X-ray diffraction study on the psudobinary compound Ce(Fe0.9Co0.1)2 in high magnetic fields . J. Phys. Soc. Jpn.73 676 - 680 2004年査読
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F. Ishikawa, K. Koyama, K. Watanabe, and H. Wada, . X-ray diffraction study of the structural phase transition in MnAs under high magnetic fields . Physica B346-347 408 - 412 2004年査読
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K. Koyama, K. Fukushima, M. Yamada, T. Goto, Y. Makihara, H. Fujii, and K. Watanabe . High field x-ray diffraction and high pressure magnetization measurements of the pseudobinary compound Ce(Fe0.9Co0.1)2 . Physica B346-347 187 - 190 2004年査読