Abstract
Two samples (one of them was twinned) of cadmium telluride have been plastically deformed, in compression, at room temperature. The applied stress was parallel to 〈110〉 in the matrix of the twinned crystal, and to 〈131〉 in the twin. The other sample was deformed along an 〈132〉 direction. Activation of glide systems in both samples has been studied by transmission electron microscopy (TEM). The structure mainly contains long segments of screw and 60° dislocations and edge dipoles resulting from dragging of jogs. Weak beam observations show that all the studied dislocations are dissociated in two Shockley partials; the stacking fault energy ranges from 8.8 to 14.7 mJ × m −2.
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