Nonlinear Theory of Current Saturation in Piezoelectric Semiconductors

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概要

• 論文の詳細を見る

• A nonlinear theory is given of the current saturation in cadmium sulfide at room temperature when the drift velocity of electrons exceeds the velocity of sound. The constitutive equations consist of the coupled Boltzmann equations for conduction electrons and amplified phonons. The classical expressions are used for the amplification of phonons and the linear loss of amplified phonons by thermal phonons. Although a three-phonon process via a nonlinear interaction with electrons is taken into account, the expression for the "nonlinear relaxation time" involves an adjustable parameter. When a reasonable value of the parameter is chosen, the theory explains semiquantitatively (1) the current-voltage characteristics, (2) the decay time of current from ohmic to saturation values, and (3) the characteristics of acoustoelectric-after-current.

• 社団法人日本物理学会の論文
• 1966-12-05

著者

• MIKOSHIBA Nobuo

  Electrotechnical Laboratory

• Ozaki Hajime

  Department Of Electrical Engineering School Of Science And Engineering Waseda University

• Ozaki Hajime

  Department Of Electrical Electronics And Computer Engineering Waseda University

• Mikoshiba Nobuo

  Electrotechnica Laboratory

• OZAKI H.

  Department of Pediatrics, Osaka City University Medical School and Municipal Rehabilitation Center f

• Ozaki H.

  Department of Electrical Engineering, School of Science and Engineering, Waseda University

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