Stability of Ordered Bulk and Epitaxial Semiconductor Alloys

José Luis Martins and Alex Zunger
Phys. Rev. Lett. 56, 1400 – Published 31 March 1986
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Abstract

Using first-principles self-consistent total-energy calculations for unconstrained and epitaxially confined models of Si-C and Si-Ge alloys we study the general classes of stability of ordered phases of semiconductor alloys. The unusual ordering observed in SiGe grown on a Si substrate is explained.

  • Received 5 December 1985

DOI:https://doi.org/10.1103/PhysRevLett.56.1400

©1986 American Physical Society

Authors & Affiliations

José Luis Martins* and Alex Zunger

  • Solar Energy Research Institute, Golden, Colorado 80401

  • *Present address: Department of Physics, University of California, Berkeley, Cal. 94720.

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Vol. 56, Iss. 13 — 31 March 1986

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