Spin-Flip Energy Transfer from Photocarriers to Magnetic Ions in (Cd,Mn)Te(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
- 論文の詳細を見る
The process of energy exchange from photoinjected carriers to magnetic ions is studied by means of polarization-dependent magnetophotoluminescence in Cd_<1-x>Mn_xTe (x_<Mn>=0.1). It is observed for the first time that the photothermalization of magnetic ions depends on the initial spin state of carriers, prepared by circularly polarized excitation, revealing the contribution of the spin flip-flop process to the energy transfer. Suppression of heat accumulation, exploiting low-repetition pulsed excitation, enables us to temporally resolve the spin exchange process associated with a single scattering event. Our results suggest the presence of spatial distribution in magnetization as a result of rapid carrier localization.
- 社団法人日本物理学会の論文
- 2006-08-15
著者
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Kuroda Takashi
Natl Inst Mat Sci
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KIDO Giyuu
National Institute for Materials Science
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Kuroda Takashi
National Institute for Material Science
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MINAMI Fujio
Department of Physics, Tokyo Institute of Technology
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SETO Satoru
Ishikawa National College of Technology
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Minami Fujio
Department Of Physics Tokyo Institute Of Technology
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Minami Fujio
Department Of Applied Physics Tokyo Institute Of Technology
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Kuroda Takashi
Department Of Applied Physics Tokyo Institute Of Technology
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Kido Giyuu
National Inst. For Materials Sci. (nims)
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