controlling charges distribution at the surface of a single gan nanowire by in-situ strain

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ID: 206164
2017
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Abstract
Effect of the strain on the charge distribution at the surface of a GaN semiconductor nanowire (NW) has been investigated inside transmission electron microscope (TEM) by in-situ off-axis electron holography. The outer and inner surfaces of the NW bent axially under compression of two Au electrodes were differently strained, resulting in difference of their Fermi levels. Consequently, the free electrons flow from the high Fermi level to the low level until the two Fermi levels aligned in a line. The potential distributions induced by charge redistribution in the two vacuum sides of the bent NW were examined respectively, and the opposite nature of the bounded charges on the outer and inner surfaces of the bent NW was identified. The results provide experimental evidence that the charge distribution at the surfaces of a single GaN NW can be controlled by different strains created along the NW.
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chen2017progresscontrolling Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Xiao Chen;Yanguo Wang;Jikang Jian;Lin Gu;Zhihua Zhang
Journal acta paediatrica scandinavica
Year 2017
DOI
10.1016/j.pnsc.2017.06.007
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