Interaction of Electrons and Holes with Acoustic Waves in Intrinsic Semiconductors
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概要
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A self-consistent semiclassical theory is given for explaining the characteristics of the interaction of electrons and holes with acoustic waves in intrinsic semiconductors. The ultrasonic absorption coeffcient can be written as A=A_R+A_K, where A_R is due to the change of the deformation potential energies of electrons and holes caused by their recombination. A_K due to the change of the kinetic energy caused by the intraband transition. The formula of A_R is identical with that used by Southgate in the analysis of his experiments, if the frequency at which wr=1 satisfies the inequality (ql)^2<3(r_0/r), where ω, q are the angular frequency and the wave number of acoustic waves, and l, τ_0, γ are the mean free path, the intraband relaxation time, the lifetime of electrons or holes respectively.
- 社団法人日本物理学会の論文
- 1961-05-05
著者
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MIKOSHIBA Nobuo
Electrotechnical Laboratory
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Mikoshiba Nobuo
Electrotechnica Laboratory
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Mikoshiba N.
Electrotechnical Laboratory
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