Anisotropy and twinning in cubic zinc sulfide crystals |
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| Authors: | Wayne L Garret Gerhard Ruban Ferd Williams |
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| Institution: | U.S. Army Armament Research and Development Command, Dover, NJ 07801, U.S.A.;Institut für Kristallographie, Freie Universität Berlin, 1000 Berlin 33, Germany;Physics Department, University of Delaware, Newark, DE 19711, U.S.A. |
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| Abstract: | The structure of zinc sulfide single crystals grown from the vapor has been studied by a unique combination of X-ray crystallography and thermal conductivity measurements. Weissenberg patterns reveal the face centered cubic structure with rotational twinning in the 111] direction, which could be ascribed to two overlapping lattices. These could be explained by normal stacking faults or by inverted twins. A strong anisotropy in thermal conductivity was measured and interpreted as favoring the inverted twin model. |
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