Distribution of Fluorescence Excitation of Bivalent Europium in Calcium Fluoride and of Bivalent Samarium in Calcium Sulphate

Abstract

IN the course of the investigation of the fluorescence of fluorite conducted in the Institut fur Radiumforschung, Vienna1, it seemed desirable to determine the distribution of excitation in fluorite for the blue Eu + + band.

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References

  1. 1

    See the report by K. Przibram in Z. Phys., 102, 331 (1936); 107, 709 (1937); and also NATURE, 141, 970 (1938).

  2. 2

    Groot, W. de., Arch. Neerland., iiia, 7, 207 (1924), had already found two regions of excitation in fluorite: below 230 mµ and between 340 and 380 mµ.

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ECKSTEIN, H. Distribution of Fluorescence Excitation of Bivalent Europium in Calcium Fluoride and of Bivalent Samarium in Calcium Sulphate. Nature 142, 256–257 (1938). https://doi.org/10.1038/142256b0

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