Controlling the screening process of a nanoscaled space charge region by minority carriers

Understanding the dynamics of bound and free charges and local electric fields on a nanometre scale are important in scanning tunnelling microscopy and nanoscale electronics. Here, the authors present a model system—a metallic tip near a gallium arsenide surface—for studying such electrostatic inter...

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Bibliographic Details
Main Authors: Philipp Kloth, Katharina Kaiser, Martin Wenderoth
Format: article
Language:EN
Published: Nature Portfolio 2016
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Online Access:https://doaj.org/article/8b7d47b9a5eb4f2681a0886ef2c43d19
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Summary:Understanding the dynamics of bound and free charges and local electric fields on a nanometre scale are important in scanning tunnelling microscopy and nanoscale electronics. Here, the authors present a model system—a metallic tip near a gallium arsenide surface—for studying such electrostatic interactions.