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Journal of Materials Science

, Volume 29, Issue 17, pp 4577–4582 | Cite as

Structure and radiative properties of aluminophosphate glasses

  • Sang Won Lee
  • Kun Sang Ryoo
  • Jung Eun Kim
  • Jeong Hoon Lee
  • Chong Don Kim
  • Kug Sun Hong
Papers

Abstract

The structure and radiative properties of aluminophosphate glasses in the system K2O-Al2O3-P2O5 and BaO-Al2O3-P2O5 were investigated. The structural changes in glasses with the addition of alumina were investigated by using FTIR spectroscopy and NMR spectroscopy. In the case of the K2O-Al2O3-P2O5 glasses, the aluminium atoms were mainly octahedrally coordinated and acted as network modifiers. The decrease in the spontaneous emission rate of K2O-Al2O3-P2O5 glasses was due to the tightening of chains in terms of the addition of alumina to the glasses. The increase in effective linewidth was probably due to the increase of end groups in the glasses. In the case of BaO-Al2O3-P2O5 glasses, the addition of alumina had little effect on the radiative properties, probably due to the small structural change which occurred on its addition.

Keywords

Polymer Alumina Spectroscopy FTIR Spectroscopy Structural Change 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • Sang Won Lee
    • 1
  • Kun Sang Ryoo
    • 1
  • Jung Eun Kim
    • 1
  • Jeong Hoon Lee
    • 1
  • Chong Don Kim
    • 2
  • Kug Sun Hong
    • 3
  1. 1.Technical Research InstituteHANKUK Glass Industries, Inc.InchonKorea
  2. 2.Ceramic DivisionKorea Institute of Science and TechnologySeoulKorea
  3. 3.Department of Inorganic Materials EngineeringSeoul National UniversitySeoulKorea

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