Paper Title:
High-Quality GaInAsSb and GaAlAsSb Layers for Thermophotovoltaics Grown by Liquid-Phase Epitaxy
  Abstract

GaSb based III-V heterostuctures are attractive for optoelectronic devices such as midin- frared lasers, detectors, and thermophotovoltaics (TPVs). In this paper the growth and characterization of GaInAsSb and GaAlAsSb quaternary layers, lat-tice-matched to GaSb substrate, are reported, with a particular focus on these alloys for TPV devi-ces. High-quality with a mirror-like surface morphology epilayers Ga1-x InxAsy Sb1-y with In content x in the range 0.1-0.22 and Ga1-xAlxAsySb1-y layers with Al content up to 0.3 in the solid are grown by Liquid-Phase Epitaxy (LPE) from In- and Ga-rich melt, respectively. The compositions of the quaternary compounds are determined by X-ray microanalysis. The crystalline quality of GaInAsSb/ GaSb and GaAlAsSb/GaSb heterostuctures is studied by X-ray diffraction (XRD) and transmission electron microscopy (TEM) measurements.

  Info
Periodical
Solid State Phenomena (Volume 159)
Edited by
Lilyana Kolakieva and Roumen Kakanakov
Pages
87-90
DOI
10.4028/www.scientific.net/SSP.159.87
Citation
M. Milanova, R. Kakanakov, G. Koleva, P. Vitanov, V. Bakardjieva, M.V. Zamoryanskaya, T.P. Popova, "High-Quality GaInAsSb and GaAlAsSb Layers for Thermophotovoltaics Grown by Liquid-Phase Epitaxy", Solid State Phenomena, Vol. 159, pp. 87-90, 2010
Online since
January 2010
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$32.00
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