Abstract
SINGLE crystals of bismuth are stated by many authors1 to exhibit mechanical twinning on the planes of type (110). The twinned part has the form of a thin lamella parallel to the twinning plane. On the (111) cleavages they appear as narrow stripes along which the surface is slightly inclined to the (111) face. These inclined faces are of the (111) type. Therefore the atoms which formed the (111) plane before the twinning occurred, form after twinning—at least partially—the (111) plane.
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References
Compare H. T. Gough and H. L. Cox, J. Met. Inst., 48, 227; 1932.
NATURE, 133, 831, June 2, 1934.
H. Mark, M. Polanyi and E. Schmid, Z. Phys., 12, 58; 1922. Also C. H. Mathewson and A. J. Phillips, Proc. Inst. Met. Div. Amer. Inst. Min. Eng., 143; 1927.
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BERG, W. Mechanical Twinning in Bismuth Crystals. Nature 134, 143 (1934). https://doi.org/10.1038/134143b0
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DOI: https://doi.org/10.1038/134143b0
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