Unusual elastic constants of cubic MnTe in strained-layer superlattices measured by X-ray diffraction

J. R. Buschert, F. C. Peiris, Nitin Samarth, H. Luo, J. K. Furdyna

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Abstract

Elastic constants of the recently grown nonequilibrium zinc-blende form of MnTe were measured. Strained layer MnTe/ZnTe superlattices in which MnTe appears in this zinc-blende form were studied using triple crystal X-ray diffraction. The diffraction spectra were fitted using a dynamical model to determine the thickness and the lattice constants of each layer. From these and other measurements, the elastic constants C11 and C12 of MnTe were determined to be 2.22±0.1 and 1.16±0.1, respectively. These values are very low compared to all other zinc-blende or diamond structure materials investigated so far.

Original languageEnglish (US)
Pages (from-to)4619-4622
Number of pages4
JournalPhysical Review B
Volume49
Issue number7
DOIs
StatePublished - Jan 1 1994

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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