A Comment on the Letter by T. M. Duc, C. Hsu, and J. P. Faurie, Phys. Rev. Lett. 58, 1127 (1987).
DOI:https://doi.org/10.1103/PhysRevLett.59.946
©1987 American Physical Society
J. Tersoff and Chris G. Van de Walle
Vol. 59, Iss. 8 — 24 August 1987
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