The Field Dependence of the Mobility of Electrons in n-Germanium

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概要

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• The mobility of electrons in n-Ge at an arbitrary field strength is calculated by assuming the distribution function f(p) in the form f(p) = A exp (-|p+p_0|^2/(2mkT)), where T is the electron temperature and p_0 represents the uniform displacement of the electron distribution in the direction of the electric field. Two parameters T and p_0 are determined by the same way as Frohlich and Paranjape did. Interaction constants between electrons and acoustical- and optical-modes of vibration are determined from the temperature dependence of the zero-field mobility. At room temperatures it is found that the electron temperature is determined almost by optical-mode scattering at low fields, but that the energy loss of electrons due to acoustical-mode scattering cannot be neglected at very high fields. Consequently the current density versus electric field relation becomes much different from Shockley's predictions. It seems that the agreement with the experimental results becomes more satisfactory.

• 社団法人日本物理学会の論文
• 1959-10-05

著者

• Sato Hisanao

  Department Of Physics Nagoya University

• Sato Hisanao

  Department Of Physics University Of Nagoya

関連論文

• The Field Dependence of the Mobility of Electrons in n-Germanium
• On the Diamagnetism of Graphite, I : Energy Levels of π-electrons

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