論文 - 小山 佳一
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T. Kamimori, K. Koyama, Y. Mori, M Asano, K. Kinoshita, J. Mochimaru, K. Konishi and H. Tange, . Preferential site occupation of N atoms and the Curie temperature in Y2Fe17-xMx (M=Al, Si, Ga) . J. Magn. Magn. Mater.177-181 1119 - 1120 1998年査読
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K. Koyama, T. Goto, H. Fujii, N. Takeshita, N. Mori, H. Fukuda and Y. Janssen . Observation of new magnetic phases in Ce2Fe17 under high pressure and high magnetic fields . J. Phys. Soc. Jpn.67 1879 - 1882 1998年査読
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K. Umeo, T. Takabatake, H. Ohmoto, T. Pietrus, H. B. Lohneysen, K. Koyama, S. Hane and T. Goto . Low-temperature specific heat and magnetic susceptibility near the pressure-induced quantum phase transition in Ce7Ni3 . Phys. Rev. B58 12095 - 12099 1998年査読
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小山佳一、藤井博信、光藤誠太郎、本河光博、香嶋純、安藤由和、P.C. Canfield . 窒素侵入型化合物Nd2Fe17N3 単結晶の磁気異方性 . 日本応用磁気学会誌22 345 - 348 1998年査読
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K. Koyama, T. Kajitani, Y. Morii, H. Fujii, M. Akayama . Neutron powder diffraction of rhombohedral Y2Fe17 and Y2Fe17N3.1 . Physical Review B55 ( 17 ) 11414 - 11421 1997年5月査読
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K. Koyama, T. Kajitani, Y. Morii, H. Fujii and M. Akayama . Neutron powder diffraction of rhombohedral Y2Fe17 and Y2Fe17N3.1 . Phys. Rev. B55 11414 - 11421 1997年査読
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K. Koyama, H. Fujii, S. Mitsudo, M. Motokawa, J. Koujima, Y. Andoh and P.C. Canfield . High-field magnetization on interstitially modified single crystals Nd2Fe17Z3 (Z=H and N) . Physica B237-238 548 - 550 1997年査読
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H. Fujii, K. Koyama, K. Tatami, S. Mitsudo, M. Motokawa, T. Kajitani, Y. Morii and P.C. Canfield . Recent development of basic magnetism in interstitially-modified rare earth iron nitrides R2Fe17N3 . Recent development of basic magnetism in interstitially-modified rare earth iron nitrides R2Fe17N3237-238 534 - 540 1997年査読
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K. Koyama, H. Fujii, S. Suzuki . Magnetic properties of interstitially modified compounds Sm3(Fe,M)29Zx (M Ti, V, Cr and Z H or N) . Journal of Magnetism and Magnetic Materials161 118 - 126 1996年8月査読
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K. Koyama, H. Fujii, P.C. Canfield . Magnetocrystalline anisotropy of a Nd2Fe17 single crystal . Physica B: Condensed Matter226 ( 4 ) 363 - 369 1996年8月査読
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H. Fujii, K. Tatami, K. Koyama . Nitrogenation process in Sm2Fe17 under various N2-gas pressures up to 6 MPa . Journal of Alloys and Compounds236 ( 1-2 ) 156 - 164 1996年4月査読
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K. Koyama, H. Fujii and S. Suzuki . Magnetic properties of interstitially modified compounds Sm3(Fe,M)29Zx (M=Ti, V, Cr and Z=H or N) . J. Magn. Magn. Mater.161 118 - 126 1996年査読
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H. Fujii, K. Tatami and K. Koyama . Nitrogenation process in Sm2Fe17 under various pressures up to 6 MPa . J. Alloys and Compounds236 156 - 164 1996年査読
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K. Koyama, H. Fujii and P.C. Canfield . Magnetocrystalline anisotropy of Nd2Fe17 single crystal . Physica B226 363 - 369 1996年査読
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K. Koyama, Y. Mori, M. Asano, T. Kamimori, H. Tange and M. Goto . Effect of nitrogenation on magnetism for Y2Fe17-x(Si,Al)x . J. Magn. Magn. Mater.140-144 969 - 970 1995年査読
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T. Kamimori, K. Koyama and M. Goto . Magnetocrystalline anisotropy of Y2Fe17 with silicon and carbon . Nuclear Instruments and Methods in Physics Research B76 57 - 58 1993年査読