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Points from Foregoing Letters

Nature volume 140, page 468 (11 September 1937) | Download Citation



Dr. G. W. Brindley and P. Ridley discuss the two kinds of asymmetry found in certain metals having a hexagonal structure—asymmetry of the lattice vibrations and asymmetry of the atoms. It is pointed out that in ruthenium the atomic asymmetry is of a different type from that found in zinc and cadmium.

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