Reports

Pseudo-Fivefold Symmetry in Carbonyl Process Nickel

Science  16 Dec 1966:
Vol. 154, Issue 3755, pp. 1443-1444
DOI: 10.1126/science.154.3755.1443

Abstract

Grains with pseudo-fivefold symmetry have been observed in nickel prepared by thermnal decomposition of nickel carbonyl. These grains were studied by transmission electron microscopy and electron diffraction Techniques. The defect structure and composite symmetry varied within a given sample, and the size of the grains varied with the thickness of the sample.

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