Antiferromagnetic Resonance and Magnetic Structure of GdAs : Condensed Matter: Electronic Properties, etc.
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概要
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Electron spin resonance measurements on single-crystal and powder of GdAs have been performed in the temperature range from 4.2 to 40 K and in the frequency range from 55 to 585 GHz to obtain microscopic information about the magnetic structure. The results obtained indicate that GdAs is an "easy-plane" antiferromagnet with the magnetic moment lying in the (111) plane below Neel temperature (〜20 K). According to an analysis of mean field approximation, the exchange field and the out-of-plane anisotropy field have been estimated to be μ_0H_E = 8.1 T and μ_0H_A = 1.4 T, respectively. The transition field (H_c = 2H_E + H_A) from the antiferromagnetic to the forced ferromagnetic state is 17.6 T.
- 社団法人日本物理学会の論文
- 2000-05-15
著者
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YOSHIDA Makoto
Institute of Fluid Science, Tohoku University
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NOJIRI Hiroyuki
Institute for Materials Research, Tohoku University
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KOYAMA Keiichi
Institute for Materials Research, Tohoku University
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MOTOKAWA Mituhiro
Institute for Materials Research, Tohoku University
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LI Dexin
Institute for Materials Reseach, Tohoku University
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Li D
Tohoku Univ. Ibaraki Jpn
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Tsutsui Satoshi
Department Of Materials Science And Technology Iwate University
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Suzuki T
Issp University Of Tokyo
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Yoshida M
Molecular Photoscience Research Center Kobe University:institute For Solid State Physics University
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SAKON Takuo
Institute for Materials Research, Tohoku University
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SUZUKI Takashi
Institute for Solid State Physics, University of Tokyo
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Nojiri Hiroyuki
Institute For Material Research Tohoku University
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Sasaki T
Center For Geo-environmental Science Faculty Of Engineering And Resource Science Akita University
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Tatsuoka Sho
Graduate School Of Science Tokyo Metropolitan University
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Suzuki N
Riken (inst. Physical And Chemical Res.) Saitama
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Suzuki N
Osaka Univ. Osaka Jpn
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Sakon Takuo
Institute For Materials Research Tohoku University
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Li Dexin
Institute For Material Research Tohoku University
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Li Dexin
Institute For Materials Research Tohoku University
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Koyama Keiichi
Institute For Materials Research Tohoku University
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Motokawa Mituhiro
Institute For Materials Research Tohoku University
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Motokawa Mitsuhiro
Crest Japan Science And Technology:institute For Material Research Tohoku University
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Sasagawa Takao
Graduate School Of Frontier Sciences University Of Tokyo
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Suzuki Takashi
Institute For Solid State Physics University Of Tokyo
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Yoshida Makoto
Institute For Materials Reserch
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Yoshida Makoto
Department Of Environmental And Natural Resource Science Faculty Of Agriculture Tokyo University Of
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Yoshida Makoto
Fac. Of Agriculture Tokyo Univ. Of Agriculture And Technol.
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Yoshida Makoto
Institute for Materials Research, Tohoku University, Sendai 980-8577
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