The dependence of the parametric transformation coefficient of acoustic and optical phonons in doped superlattices on concentration of impurities

The parametric transformation of acoustic and optical phonons in doped superlattices is theoretically studied by using a set of quantum kinetic equations for the phonons. The analytic expression of parametric transformation coefficient of acoustic and optical phonons in doped superlattices is obtain...

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Main Authors: Hoang, Dinh Trien, Nguyen, Vu Nhan, Do, Manh Hung, Nguyen, Quang Bau
格式: Article
語言:English
出版: H. : ĐHQGHN 2017
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在線閱讀:http://repository.vnu.edu.vn/handle/VNU_123/56798
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總結:The parametric transformation of acoustic and optical phonons in doped superlattices is theoretically studied by using a set of quantum kinetic equations for the phonons. The analytic expression of parametric transformation coefficient of acoustic and optical phonons in doped superlattices is obtained, that depends non-linear on the concentration of impurities. Numerical computations of theoretical results and graph are performed for GaAs:Si/GaAs:Be doped superlattices.