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LOCAL STRUCTURE AND METAL-METAL INTERACTION IN SOME PHOSPHATE GLASSES

O. Cozar1,* , I. Ardelean1

Affiliation

  1. Physics Deparment, “Babes-Bolyai” University, 3400 Cluj-Napoca, Romania

Abstract

The local symmetry and the interactions between metallic ions in some soda-phosphate glasses with copper, vanadium, molybdenum and tungsten ions were investigated by ESR spectroscopy. It was evidenced the presence of Cu2+, V4+, Mo5+ and W5+ ions which are used as spectroscopic ESR probes. The appearance of other valence states of these ions in the studied glasses is possible, too. The obtained ESR data suggest different local symmetry of these ions, which determine specific metal-metal interaction between them..

Keywords

Sodo-phosphate glass, ESR, Transition metal ions.

Submitted at: July 22, 2002
Accepted at: March 12, 2003

Citation

O. Cozar, I. Ardelean, LOCAL STRUCTURE AND METAL-METAL INTERACTION IN SOME PHOSPHATE GLASSES, Journal of Optoelectronics and Advanced Materials Vol. 5, Iss. 1, pp. 177-183 (2003)