Letter | Published:

A Surface Electroluminescence Effect in Diamonds

Naturevolume 180page1254 (1957) | Download Citation



TEN diamonds, all of type I, have been found to luminesce with bright green spots of light when a potential difference is applied to them. The luminescence is often intense enough to be seen in daylight. This effect was first noticed while investigating some aspects of the counting properties of the diamonds, and only after the diamond had been coated with a thin layer of graphite and annealed in this condition.

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  1. 1

    Wolfe, R., and Woods, J., Phys. Rev., 105, 921 (1957).

  2. 2

    Fischer, A., Z. Phys., 149, 107 (1957).

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  1. University of the Witwatersrand, Johannesburg

    • H. J. LOGIE
    •  & R. R. URLAU


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