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Growth Mechanism of Carborundum Crystals

Naturevolume 168page431 (1951) | Download Citation



GROWTH spirals, as predicted by F. C. Frank's theory1 on crystal growth, have been observed on the c (0001) faces of carborundum by Ajit Ram Verma2 and by S. Amelinckx3. The steps between successive turns, as stated by Frank, are exactly one unit cell high. This seems, in fact, to be true in many cases, although of several unit cells high are not exceptions.

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  1. 1

    Frank, F. C., Farad. Soc. Discuss. Crystal Growth, No. 5 (1949).

  2. 2

    Ajit Ram, Verma, Nature, 167, 939 (1951).

  3. 3

    Amelinckx, S., Nature, 167, 940 (1951).

  4. 4

    Ramsdell, L. S., Amer. Min., 32, 64 (1947).

  5. 5

    Lundquist, D., Acta Chem. Scand., 2, 177 (1948).

  6. 6

    Tolansky, S., “Multiple Beam Interferometry of Surfaces and Films” (Oxford Univ. Press, 1948).

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  1. Crystallographic Laboratory, Geological Institute, University of Ghent



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