Magnetic Polaron of Gd_2S_3 Studied by Infrared Spectroscopy under Magnetic Field
スポンサーリンク
概要
- 論文の詳細を見る
Reflectivity spectra of a magnetic semiconductor Gd_2 S_3 (=Gd_<3-x>□_xS_4, where □ denotes vacancy and x ≅ 1/3) have been measured in the photon energy range from 2 meV to 0.5 eV at 14 K under magnetic field up to 5 tesla. The energy gap of about 7 meV at 0 tesla was observed to become narrow as the magnetic field increases and to collapse at 3.3 tesla. The origin of the energy gap is attributed to the trapped magnetic polaron. Another absorption band around 0.1 eV of which origin has been unclear is concluded to be the deep state of the magnetic polaron because it was shifted by the magnetic field.
- 社団法人日本物理学会の論文
- 1995-01-15
著者
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KIMURA Shin-ichi
UVSOR Facility, Institute for Molecular Science
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Shin-ichi Kimura
Uvsor Facility Institute For Molecular Science
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SUZUKI Takashi
Department of Biochemistry, University of Shizuoka, School of Pharmaceutical Sciences, Core Research
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Kimura S
The Graduate School Of Science An Technology Kobe University
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Ikezawa Mikihiko
Research Institute for Scientific Measurements,Tokyo University
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Sato Yasuhiko
Research Institute for Scientific Measurements, Tohoku University
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Sato Y
Research Institute For Scientific Measurements Tohoku University
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Kimura S
Graduate School Of Science And Technology Kobe University
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Kimura Shin-ichi
Uvsor Facility Institute For Molecular Science
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Kimura Shin-ichi
Division Of Mathematical And Material Science Graduate School Of Science And Technology
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Ikezawa M
Tohoku Univ. Sendai
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Ikezawa Mikihiko
Research Institute For Scientific Measurements Tokyo University
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Kimura Shojiro
Molecular Photoscience Research Center And Department Of Physics:(present Address)kyokugen Osaka Uni
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Sato Yasuhiko
Research Institute For Scientific Measurements Tohoku University
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Ikezawa Mikihiko
Research Institute For Scientific Measurements Tohoku University
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Suzuki Takashi
Department Of Biochemistry University Of Shizuoka School Of Pharmaceutical Sciences:core Research Fo
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Suzuki Takashi
Department Of Anesthesia Showa University Northern Yokohama Hospital
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Suzuki Takashi
Department Of Anatomic Pathology Tohoku University School Of Medicine
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