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    Piezotronic and Piezophototronic Effects

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    Type
    Article
    Authors
    Wang, Zhong Lin cc
    Date
    2010-04-13
    Online Publication Date
    2010-04-13
    Print Publication Date
    2010-05-06
    Permanent link to this record
    http://hdl.handle.net/10754/599195
    
    Metadata
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    Abstract
    Owing to the polarization of ions in a crystal that has noncentral symmetry, a piezoelectric potential (piezopotential) is created in the material by applying a stress. The creation of piezopotential together with the presence of Schottky contacts are the fundamental physics responsible for a few important nanotechnologies. The nanogenerator is based on the piezopotential-driven transient flow of electrons in the external load. On the basis of nanomaterials in the wurtzite semiconductors, such as ZnO and GaN, electronics fabricated by using a piezopotential as a gate voltage are called piezotronics, with applications in strain/force/pressure-triggered/controlled electronic devices, sensors, and logic gates. The piezophototronic effect is a result of three-way coupling among piezoelectricity, photonic excitation, and semiconductor transport, which allows tuning and controlling of electro-optical processes by a strain-induced piezopotential. © 2010 American Chemical Society.
    Citation
    Wang ZL (2010) Piezotronic and Piezophototronic Effects. The Journal of Physical Chemistry Letters 1: 1388–1393. Available: http://dx.doi.org/10.1021/jz100330j.
    Sponsors
    Thanks to the contribution of many my former and current group members. Thanks to the support from DARPA, BES DOE, NSF, KAUST and WPI (NIMS).
    Publisher
    American Chemical Society (ACS)
    Journal
    The Journal of Physical Chemistry Letters
    DOI
    10.1021/jz100330j
    ae974a485f413a2113503eed53cd6c53
    10.1021/jz100330j
    Scopus Count
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