Dimensional Crossover of Electron-Electron Scattering in GaAs-AlGaAs Wires
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概要
- 論文の詳細を見る
We report a size effect on the phase coherence length ($L_{\text{i}}$) in narrow GaAs–AlGaAs wires, deduced from the negative magnetoresistance due to weak localization. The temperature dependence of $L_{\text{i}}$ changes as the channel width becomes narrower than the thermal diffusion length. We interpret the change as a dimensional crossover of the electron-electron scattering. The deduced $L_{\text{i}}$ can reasonably explain the amplitude of Aharonov-Bohm magnetoconductance oscillations observed in a ring fabricated from the same wafer.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1989-04-20
著者
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Ishibashi Koji
Department Of Applied Physics And Dimes Delft University Of Technology:the Institute Of Physical And
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TAKAGAKI Yukihiko
Department of Electrical Engineering, Faculty of Engineering Science, Osaka University
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Gamo Kenji
Department Of Electrical Engineering Faculty Of Engineering Science Osaka University
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Murase Kazuo
Department Of Applied Chemistry Faculty Of Science And Engineering Chuo University
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ISHIDA Shuichi
Science University of Tokyo in Yamaguchi
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Takaoka Sadao
Department Of Geography Faculty Of Science Tokyo Metropolitan University
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Namba Susumu
Department Of Electrical Engineering Faculty Of Engineering Science Osaka University
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Takagaki Yukihiko
Department of Electrical Engineering, Faculty of Engineering Science, Osaka University, Toyonaka, Osaka 560
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Ishida Shuichi
Science University of Tokyo, Yamaguchi College, Onoda, Yamaguchi 756
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Namba Susumu
Department of Electrical Engineering, Faculty of Engineering Science, Osaka University, Toyonaka, Osaka 560
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