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Radiative and thermochemical effects in corundum crystals doped with rare-earth elements

✍ Scribed by É. A. Zhdanov


Publisher
Springer US
Year
1983
Tongue
English
Weight
327 KB
Volume
39
Category
Article
ISSN
0021-9037

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## Abstract Colour changes of YAG crystals doped with rare earth ions and annealed in hydrogen, oxygen, vacuum or argon are described. The influence of UV irradiation is also given. Some crystals were further doped with Ca, Sr, Ba, or Cr, respectively. Yellow or brown colouring of the crystals is a