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Z-centres in rare-earth doped alkali halides

โœ Scribed by Radhakrishna, S. ;Chowdari, B. V. R.


Publisher
John Wiley and Sons
Year
1972
Tongue
English
Weight
393 KB
Volume
12
Category
Article
ISSN
0031-8965

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Oโˆ’ centre formation in YAG crystals dope
โœ Dr. Jiล™รญ Kvapil; Josef Kvapil; Bohumil Perner ๐Ÿ“‚ Article ๐Ÿ“… 1975 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 316 KB

## 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