Open Packing of Spheres

Abstract

IN their study of the open packing of equal spheres, Heesch and Laves1 do not consider cases in which the number of spheres with which each sphere makes contact is greater than four; and at first sight it might not perhaps appear worth while to go further, for in the cubic arrangement of spheres which Barlow2 styled his "second kind of symmetry", each sphere makes contact with six, and it has a density of 0·524.

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References

  1. 1

    Heesch, H., and Laves, F., Z. Krist., 85, 443 (1933).

  2. 2

    Barlow, W., Nature, 29, 186 (1883).

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