Molecular beam epitaxy of InAlN lattice-matched to GaN with homogeneous composition using ammonia as nitrogen source

被引：23

作者：

Wong, Man Hoi ^{[1
]}

Wu, Feng

Hurni, Christophe A.

Choi, Soojeong

Speck, James S.

Mishra, Umesh K.

机构：

[1] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 07期

关键词：

ALINN LAYERS; STABILITY; GROWTH;

D O I：

10.1063/1.3686922

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

InAlN lattice-matched to GaN was grown by molecular beam epitaxy (MBE) using ammonia as the nitrogen source. The alloy composition, growth conditions, and strain coherence of the InAlN were verified by high resolution x-ray diffraction omega-2 theta scans and reciprocal space maps. Scanning transmission electron microscopy and energy-dispersive x-ray spectroscopy of the InAlN revealed the absence of lateral composition modulation that was observed in the films grown by plasma-assisted MBE. InAlN/AlN/GaN high electron mobility transistors with smooth surfaces were fabricated with electron mobilities exceeding 1600 cm(2)/Vs and sheet resistances below 244 Omega/sq. (C) 2012 American Institute of Physics. [doi:10.1063/1.3686922]

引用

页数：4

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