Lattice instability induced by 3d impurities in a zinc selenide crystal
作者： V. I. Sokolov , S. F. Dubinin , V. V. Gudkov , A. T. Lonchakov
DOI: 10.1134/S1063783408090345
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摘要: It was experimentally shown that, in a 3d-impurity-doped ZnSe crystal with the zinc blende structure, nanosized ionic shear displacements of trigonal (ZnSe : Ni, V) and tetragonal Cr) types arise at temperatures 300 120 K. As temperature decreases range 100.0–4.2 K, elastic moduli C44 Ni) (C11–C12)/2 are softened owing to 3d impurities. A new peak frequency 90 cm−1 appears Raman scattering spectrum Ni 5 20
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