研究者詳細 - 小山　佳一

論文 - 小山　佳一

分割表示 496 件中 401 - 420 件目／全件表示 >>

K. Koyama, H. Sasaki, T. Kanomata, K. Watanabe and M. Motokawa . Magnetization measurements of weak itinerant ferromagnet Ni-Pt alloy . J. Phys. Soc. Jpn72 767 - 768 2003年査読

高橋弘紀、梅木千巧、茂木巌、淡路智、小山佳一、本河光博、渡辺和雄 . 磁気浮上状態で溶融凝固したパラフィンの配向効果 . 日本応用磁気学会誌27 1125 - 1129 2003年査読

F. Ishikawa, K. Koyama, K. Watanabe, and H. Wada . Field induced structural transformation in MnAs . Jpn. J. Appl. Phys.42 L918 - L920 2003年査読

T. Tomimatsu, K. Koyama, M. Yoshida, D.X. Li and M. Motokawa . Observation of antiferromagnetic resonance affected by hyperfine interaction in GdBi . Phys. Rev. B67 14406 2003年査読

K. Koyama, M. Yoshida, D.X. Li and M. Motokawa . Electron spin resonance of GdX (X=P, As, Sb and Bi) . J. Phys. Soc. Jpn. Suppl. B.72 145 - 150 2003年査読

T. Sakon, H. Nojiri, K. Koyama, T. Asano, Y. Ajiro and M. Motokawa . ESR measurements at ultra-low temperatures using a dilution refrigerator . J. Phys. Soc. Jpn. Suppl. B72 140 - 144 2003年査読

H. Ohta, Y. Oshima, Y. Inagaki, S. Okubo, M.Kimata, K. Koyama, M. Motokawa and T. Mori . Magneto-optical measurements of β-(BEDT-TTF)2AuI2 . Synthetic Metals135-136 527 - 528 2003年査読

Y. Oshima, M. Kimata, K. Kishigi. H. Ohta, K. Koyama, M. Motokawa, H. Nishikawa, K. Kikuchi and I. Ikemoto . Fermi surface study of quasi-one-dimensional metals using magneto-optical techniques . Phys. Rev. B68 54526 2003年査読

T. Suzuki, H. Matsui, H. Tsuchiya, E. Negishi, K. Koyama, and N. Toyota . Antiferromagnetic resonance in λ-(BEDT-TSF)2FeCl4 . Synthetic Metals135-136 567 - 568 2003年査読

M. Yoshida, K. Koyama and M. Motokawa . Cyclotron resonance experiments in rare-earth monopnictides . J. Phys.: Condenced Matter15 S2119 - S2122 2003年査読

T. Sakon, K. Koyama, M. Motokawa, H. Nojiri, T. Asano, Y. Ajiro . Electron spin resonance measurements at ultralow temperature . Physica B329 1629 - 1631 2003年査読

M. Yoshida, K. Koyama, T. Tomimatsu, M. Shirakawa, A. Ochiai and M. Motokawa . Observation of cyclotron resonance in CeSb . Physica B329-333 557 - 558 2003年査読

M. Yoshida, K. Koyama, T. Tomimatsu, M. Shirakawa, A. Ochiai and M. Motokawa . Doppler-shifted cyclotron resonance with Alfven waves in LaSb . Physica B329-333 1092 - 1093 2003年査読

M. Yoshida, K. Koyama, M. Shirakawa, A. Ochiai, K. Watanabe, and M. Motokawa . Cyclotron resonance and magnetic resonance in GdSb . J. Phys. Soc. Jpn.73 1763 - 1767 2003年査読

Y. Oshima, H. Ohta, K. Koyama, M. Motokawa, H.M. Yamamoto, R. Kato, M. Tamura, Y. Nishio and K. Kajita . Fermi surface study of quasi-two dimensional organic conductors by magnetooptical measurements . J. Phys. Soc. Jpn72 143 - 148 2003年査読

Y. Oshima, H. Ohta, K. Koyama, M. Motokawa, H. Nishikawa, K. Kikuchi and I. Ikemoto . Magnetooptical measurements of quasi-one-dimensional conductor (DMET)2I3 . Synthetic Metals135-136 531 - 532 2003年査読

Y. Oshima, H. Ohta, H.M. Yamamoto, R. Kato, K. Koyama, and M. Motokawa . Magnetooptical measurements of BEDT-TTF salts containing supramolecular assemblies . Synthetic Metals133-134 453 - 454 2003年査読

M. Yoshida, K. Koyama, P.C. Canfield, C. Cunningham, S. Nimori, K. Watanabe and M. Motokawa . Cyclotron resonance in PrSb . J. Phys. Soc. Jpn.72 705 - 708 2003年査読

T. Suzuki, H. Matsui, H. Tsuchiya, E. Negishi, K. Koyama, and N. Toyota, . Antiferromagnetic resonance in λ-(BEDT-TSF)2FeCl4 . Phys. Rev.B67 020408(R) 2003年査読

N. Toyota, T. Suzuki, H. Matsui, H. Tsuchiya, E. Negishi, K. Koyama . Antiferromagnetic resonance in (formula presented) . Physical Review B - Condensed Matter and Materials Physics67 ( 2 ) 2003年

記述言語：英語掲載種別：研究論文（学術雑誌）

From microwave cavity transmission measurements at 23–110 GHz on (formula presented) we have observed an antiferromagnetic resonance (AFMR) in the antiferromagnetic insulating state below the metal-to-insulator transition temperature of (formula presented) The frequency-field dependence is fundamentally reproduced with a two-sublattice model for a biaxial anisotropy. The easy axis is confirmed to be the direction tilted by (formula presented) from c to (formula presented) and the hard axis is found to be close to (formula presented) The spin-flop field is identified to be 1.3 T through the frequency-field dependence for the easy axis. The AFMR is interpreted to be caused by spin waves excited on the (formula presented) spins, exclusively due to the large (formula presented) exchange interaction estimated by theoretical calculations. The exchange field and anisotropy fields for (formula presented) spin systems at 1.2 K are evaluated to be (formula presented) (formula presented) for the intermediate axis and (formula presented) T for the hard axis, respectively. © 2003 The American Physical Society.

DOI： 10.1103/PhysRevB.67.020408

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