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Effect of the temperature on the structure of slag nanocrystalline glass ceramics by Raman spectroscopy

SHUN-LI OU-YANG1, BAO-WEI LI1,* , XUE-FENG ZHANG1, XUE FENG ZHANG2, XIAO-LIN JIA3, MING ZHAO1, LEI-BO DENG1, YONG-SHENG DU1

Affiliation

  1. Key Laboratory of Integrated Exploitation of Bayan Obo Multi Metal Resources, Inner Mongolia University of Science and Technology Baotou 014010, China
  2. School of Mathematics, Physics and Biological Engineering, Inner Mongolia University of Science &Technology , 014010 China
  3. School of Material Science and Engineering, Zhengzhou University, Zhengzhou 450001, China

Abstract

In the present paper, slag nanocrystalline glass ceramic was produced by melting method. The slag nanocrystalline glass ceramic was measured by Raman spectroscopy in the temperature range from 150 to 450°C, in order to study the effect of temperature on the structure of this system glass ceramics. The results showed that different non bridge oxygen bond silicon oxyg en tetrahedron structural unit changes are not consistent with rising temperature. Further analyses indicated that: the SiO4 tetrahedron with 2 non bridged oxygen (Q2 ), the SiO4 tetrahedron with 3 non bridged oxygen (Q1 ), which are situated at the edge of the 3D SiO4 tetrahedrons network, and the SiO4 tetrahedron with 4 non bridged oxygen (Q0 ), which is situated outside the 3D network, they all have suffered a significant influence by the temperature change, which has been expressed as: shifts towards the high wave number, increased bond force constants, and shortened bond lengths. This paper studied influence of temperature on slag nanocrystalline glass ceramics using variable temperature Raman technology. It provides experiment basis to the research of e xternal environment influence on slag nanocrystalline glass ceramics materials in structure and performance. In addition, the research provides experimental basis for controlling the expansion coefficient of glass ceramics..

Keywords

Glass Ceramics, Raman Spectra, The SiO4 tetrahedron.

Citation

SHUN-LI OU-YANG, BAO-WEI LI, XUE-FENG ZHANG, XUE FENG ZHANG, XIAO-LIN JIA, MING ZHAO, LEI-BO DENG, YONG-SHENG DU, Effect of the temperature on the structure of slag nanocrystalline glass ceramics by Raman spectroscopy, Optoelectronics and Advanced Materials - Rapid Communications, 9, 1-2, January-February 2015, pp.98-101 (2015).

Submitted at: Oct. 27, 2014

Accepted at: Jan. 21, 2015