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Structural changes induced by MnO addition in barium- borate oxide glass matrix

A. TODERAS1,* , M. TODERAS2, S. FILIP2, I. ARDELEAN3

Affiliation

  1. University of Bucharest, Faculty of Physics, 050107 Bucuresti, Romania
  2. University of Oradea, Faculty of Science, 410087 Oradea, Romania
  3. Babes Bolyai” University, Dpt of Physics, 400084 Cluj Napoca, Romania

Abstract

In order to evidenced the structural changes induced by MnO in the barium-borate network, the following glass system was prepared and investigated by FT-IR and Raman spectroscopies: xMnO∙(100-x)[3B2O3∙BaO] with 0 ≤ x ≤ 50 mol%. The results have shown that borate ions take part in the network of studied glasses. For our system both BO3 and BO4 units was detected, the first being dominant in all concentration range. By Raman spectroscopies were detected new structural units, boroxol rings and chain and/or ring type metaborate groups..

Keywords

Barium-borate oxide glasses, Manganese ions, FT-IR, Raman.

Citation

A. TODERAS, M. TODERAS, S. FILIP, I. ARDELEAN, Structural changes induced by MnO addition in barium- borate oxide glass matrix, Optoelectronics and Advanced Materials - Rapid Communications, 6, 1-2, January-February 2012, pp.331-334 (2012).

Submitted at: Jan. 18, 2012

Accepted at: Feb. 20, 2012