Abstract

An AlGaN/GaN nanowire, with an isosceles-triangle cross-section, was designed to create a large negative polarization at the (000-1) facet. The resultant band bending at this interface formed a two-dimensional potential well that accumulated a hole gas. Transistor operation based on the two-dimensional hole gas showed characteristics of quasi-ballistic transport. A small number of elastic scattering sites were evident from quantum interference characteristics in the current-voltage data.

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