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Color centers in KCl crystals of increased purity

✍ Scribed by R. I. Gindina; L. A. Ploom; A. A. Maaroos; Yu. V. Pyllusaar

Publisher
Springer US
Year
1977
Tongue
English
Weight
546 KB
Volume
27
Category
Article
ISSN
0021-9037

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## Abstract New absorption centers giving bands with maxima at 555 nm (Y) and 625 nm (Yβ€²) at liquid‐nitrogen temperature, were observed in OH–containing KCl single crystals annealed in vacuum a t 600 Β°C and subsequently uv irradiated. The thermal bleaching of these bands yields F centers. Optical b

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