Calculation of Bond Lengths in InGaAsP Quaternary Alloy Semiconductor
- 1 February 1987
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 26 (2R) , 246
- https://doi.org/10.1143/jjap.26.246
Abstract
The bond lengths in an lnGaAsP quaternary alloy semiconductor were defermined using valence-force-field and continuum models. The bond lengths tend to preserve those in binary compounds. The length deviation from that of a binary compound is small if the bond-stretching force constant is large and/or the average bond-bending force constant is small. Theoretical results agree well with those obtained by experiments involving extended-X-ray-absorption fine-structure measurements. The validity of the Vegard law for a lattice constant is discussed and a slight discrepancy from the law is interpreted.Keywords
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