A note on twinning in alpha-uranium
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F.C Frank
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Article
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1953
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Elsevier Science
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The crystal structure of Lu-uranium resembles that of zinc but has lower symmetry. Comparison of the two helps to classify the twinning modes of the more complex case. The lowering of the symmetry gives rise to new twinning modes in two ways: because the reciprocals of some of the zinc modes become