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|Type:||Artigo de periódico|
|Title:||Evidence of space charge regions within semiconductor nanowires from Kelvin probe force microscopy|
|Abstract:||We have studied the equilibrium electrostatic profile of III-V semiconductor nanowires using Kelvin probe force microscopy. Qualitative agreement of the measured surface potential levels and expected Fermi level variation for pure InP and InAs nanowires is obtained from electrical images with spatial resolution as low as 10 nm. Surface potential mapping for pure and heterostructured nanowires suggests the existence of charge transfer mechanisms and the formation of a metal-semiconductor electrical contact at the nanowire apex.|
|Editor:||Iop Publishing Ltd|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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