Surface Charge: An Advantage for the Piezoelectric Properties of GaN Nanowires
Tanbir Kaur Sodhi,
Pascal Chrétien,
Quang Chieu Bui
et al.
Abstract:The optimization of the new generation of piezoelectric nanogenerators based on 1D nanostructures requires a fundamental understanding of the different physical mechanisms at play, especially those that become predominant at the nanoscale regime. One such phenomenon is the surface charge effect (SCE), which is very pronounced in GaN NWs with sub-100 nm diameters. With an advanced nano-characterization tool derived from AFM, the influence of SCE on the piezo generation capacity of GaN NWs is investigated by mod… Show more
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