Abstract
IN a recent letter in Nature, Amelinckx1 has given evidence for the existence of screw dislocations in mica. He observed a step, 140 A. high, which terminated on the surface : the point of termination of the step defined the point of emergence of a screw dislocation of Burgers's vector 140 A.
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References
Amelinckx, S., Nature, 169, 580 (1952).
Nomoto, O., Nature, 164, 359 (1949).
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WILLIS, B. Screw Dislocations in Quartz. Nature 170, 115–116 (1952). https://doi.org/10.1038/170115a0
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DOI: https://doi.org/10.1038/170115a0
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