The optical properties and a.c. conductivity of magnesium phosphate glasses
β Scribed by S. K. J. Al-Ani; I. H. O. Al-Hassany; Z. T. Al-Dahan
- Publisher
- Springer
- Year
- 1995
- Tongue
- English
- Weight
- 648 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0022-2461
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The luminescence spectra of naturally occurring apatite Ca 5 [F (PO 4 ) 3 ] and fluorite CaF 2 crystals, containing traces of rare-earth elements have been compared with phosphate glasses doped with Pr 3+ , Sm 3+ and Er 3+ ions. The selected excitation bands for luminescence of samarium and praseody