Brillouin Scattering Studies of Acoustoelectric-After-Effect in Semiconducting CdS
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- Ishida Akira
- Department of Electrical Engineering, Faculty of Engineering, Osaka University
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- Inuishi Yoshio
- Department of Electrical Engineering, Faculty of Engineering, Osaka University
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抄録
Acoustoelectric-after-effect followed by the abrupt termination of the externally applied voltage was studied in semiconducting CdS with Brillouin scattering measurements. Damping behaviors of the generated acoustic flux was first revealed experimentally. The acoustic loss is separated into electronic and nonelectronic contribution via linear and nonlinear process. The nonelectronic linear loss of the acoustic shear waves obeys ω1.5-law rather than Akhieser’s prediction: ∝ω2. White’s gain curve reduced by this nonelectronic loss agrees well with our experimental results. Nonlinear acoustic loss via second harmonic generation was also estimated. The nonlinear loss is mainly ascribed to the nonlinear acoustoelectric interactions, but not to the lattice anharmonicity. Finally, the relationship between the acoustic flux φ and the acoustoelectric-after-current I was found to be I∝φ2. This means that our observed after-current is mainly caused by the nonlinear acoustoelectric interactions.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 27 (4), 911-918, 1969
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204191047808
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- NII論文ID
- 210000081457
- 130003734764
- 110001961105
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1969JPSJ...27..911I
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- COI
- 1:CAS:528:DyaF1MXltFOksrs%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 8502163
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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