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    Nonlinear Solution of a Piezoelectric PN Junction under Temperature Gradient

    Access Status
    Fulltext not available
    Authors
    Guo, M.K.
    Qin, G.S.
    Lu, Chunsheng
    Zhao, M.H.
    Date
    2022
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Guo, M.K. and Qin, G.S. and Lu, C. and Zhao, M.H. 2022. Nonlinear Solution of a Piezoelectric PN Junction under Temperature Gradient. International Journal of Applied Mechanics. 14 (1): Article No. 2150125.
    Source Title
    International Journal of Applied Mechanics
    DOI
    10.1142/S1758825121501258
    ISSN
    1758-8251
    Faculty
    Faculty of Science and Engineering
    School
    School of Civil and Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/88296
    Collection
    • Curtin Research Publications
    Abstract

    By considering the nonlinear coupling of piezoelectricity, thermoelectricity and pyroelectricity, this paper investigated the polarization effect related to temperature gradient in a thermo-piezoelectric PN junction. The analysis is based on a perturbation method and the one-dimensional nonlinear theories of thermo-piezoelectric semiconductors. It is shown that as thermal load increases, the linear solution gradually separates from the nonlinear one, in which the third-order solution is basically coincident with the nonlinear numerical solution of COMSOL. It is found that the electromechanical fields, carrier transport characteristics and turn-on voltage have a fast response to temperature gradient. By using the perturbation method, the approximate nonlinear solution of a thermo-piezoelectric PN junction can be obtained. Furthermore, the possibility of thermal manipulation is evident in a piezoelectric PN junction. These findings will be instructive to a good understanding of the electromechanical coupling characteristics of a PN junction and beneficial to development of a new method for its property modulation.

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