Microhardness Creep in Single Crystals of Tin-chalcogenides

Authors: S. M. VYAS, C. F. DESAI, R. C. SHAH, G. R. PANDYA

Abstract: SnSe and SnS have been grown by Bridgman- Stockbarger method. Loading time as a function of vickers microhardness has been measured at different temperatures in the range 303 K to 388K. Al measurement of hardness have been carried out on the cleavage planes. The activation energy for creep has been evaluated to be 2.92 and 1.75 K Cal/mole, respectively, for SnSe and SnS crystals.

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