Photoconductive Hall Effect in Potassium Bromide

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概要

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• A.C. method was employed to investigate the mobility of the conduction electron in KBr under space charge free condition at temperatures between 80°K and room temperature. In this experiment white light was used to illuminate the specimen to enhance the conductivity. The mobility which depends on temperature was found to be inversely proportional to the mean density of phonons excited in the crystal. This fact suggests that the mobility is determined mainly by the scattering of the optical mode of lattice vibration. Using the Low and Pines formula, the following values were obtained: Effective mass of the bare conduction electron, m*=0.23 m Effective mass of the polaron, m_p=0.33 m Strength of interaction between the electron and the polarization, α= 2.56, where m is the free electron mass.

• 社団法人日本物理学会の論文
• 1961-05-05

著者

• Onuki Masami

  Department Of Applied Physics Osaka City University

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• Photoconductive Hall Effect in Potassium Bromide

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