Transferability of optical bowing parameters between binary and ternary group-IV alloys期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Transferability of optical bowing parameters between binary and ternary group-IV alloys

Authors:	Vijay R. D'Costa,José Mené ndez,John Tolle,Stefan Zollner

Affiliation:	^a Department of Physics and Astronomy, Arizona State University, Tempe, AZ 85287-1504, USA ^b Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ 85287-1604, USA ^c Freescale Semiconductor, APRDL, MD K10, 3501 Ed Bluestein Blvd, Austin, TX 78721, USA

Abstract:	We present a detailed analysis of the compositional dependence of the average of the E₁ and E₁+Δ₁ transition energies in Ge_1−x−ySi_xSn_y alloys. We show that this dependence can be explained in terms of three bowing parameters—b^SiGe, b^GeSn, and b^SiSn—which scale with the product ΔχΔR of the Phillips electronegativity and size mismatches between Si, Ge, and Sn.

Keywords:	78.20.Ci 71.20.Nr
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