Linear and Nonlinear Attenuation of Acoustic Surface Waves in a Piezoelectric Coated with a Semiconducting Film
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- K. A. Ingebrigtsen
- Electronics Research Laboratory, Norwegian Institute of Technology, Trondheim, Norway
書誌事項
- 公開日
- 1970-02-01
- DOI
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- 10.1063/1.1658696
- 公開者
- AIP Publishing
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説明
<jats:p>The interaction of acoustic surface waves in a piezoelectric with carrier waves in a semiconducting film on the surface is considered. Particular attention is paid to the limitation of the small signal theory due to nonlinear effects. It is found that large signal effects, which occur at moderate acoustic power levels, are important when the maximum rf charge density exceeds the available background charge density. Measurements of acoustic attenuation and acoustoelectric current in a CdS film on the surface of Y-cut quartz are reported. A fair agreement between theory and experiment is found.</jats:p>
収録刊行物
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- Journal of Applied Physics
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Journal of Applied Physics 41 (2), 454-459, 1970-02-01
AIP Publishing
