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Crystallization kinetics and thermal stability in Ge–Sb–Se glasses

  1. Wen-Hou Wei1,2,
  2. Liang Fang1,*,
  3. Xiang Shen3,
  4. Rong-Ping Wang2

Article first published online: 10 SEP 2012

DOI: 10.1002/pssb.201248284

Issue

physica status solidi (b)

physica status solidi (b)

Volume 250, Issue 1, pages 59–64, January 2013

Additional Information

How to Cite

Wei, W.-H., Fang, L., Shen, X. and Wang, R.-P. (2013), Crystallization kinetics and thermal stability in Ge–Sb–Se glasses. Phys. Status Solidi B, 250: 59–64. doi: 10.1002/pssb.201248284

Author Information

  1. 1

    Department of Applied Physics, Chongqing University, Chongqing 401331, P.R. China

  2. 2

    Centre for Ultrahigh Bandwidth Devices for Optical Systems (CUDOS), Laser Physics Centre, Research School of Physics and Engineering, Australian National University, Canberra ACT 0200, Australia

  3. 3

    College of Information Science and Engineering, Ningbo University, Ningbo 315211, P.R. China

*Phone: +86-23-6567-8369, Fax: +86-23-6567-8369

Publication History

  1. Issue published online: 8 JAN 2013
  2. Article first published online: 10 SEP 2012
  3. Manuscript Accepted: 20 AUG 2012
  4. Manuscript Revised: 13 AUG 2012
  5. Manuscript Received: 24 JUN 2012

Funded by

  • Fundamental Research Funds for the Central Universities. Grant Number: CDJXS11100004
  • Graduate Innovation Foundation. Grant Number: CDJXS11102210
  • International Science and Technology Cooperation Program of China. Grant Number: 2011DFA12040
  • National Program on Key Basic Research Project (973 Program). Grant Number: 2012CB722703
  • Natural Science Foundation of China. Grant Numbers: 61008041, 60978058
  • Natural Science Foundation of Zhejiang Province, China. Grant Number: Y1090996
  • Natural Science Foundation of Ningbo City, China. Grant Number: 2011A610092
  • Program for Innovative Research Team of Ningbo city. Grant Number: 2009B21007

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Keywords:

  • chalcogenide glasses;
  • Ge–Sb–Se;
  • kinetic crystallization;
  • thermal stability

Abstract

The crystallization kinetics of Ge–Sb–Se chalcogenide glasses prepared by melt-quenching method was investigated using differential scanning calorimetry under non-isothermal conditions with several different heating rates. Kissinger's equation and Matusita model were employed to analyze kinetic crystallization behavior of the glasses. The crystallization parameters were calculated and the crystallization mechanism was studied. The results indicate that the crystallization activation energy increases rapidly at the glass with a mean coordination number (MCN) of 2.4, and reaches its maximum at MCN of 2.65. These two transition thresholds correspond to the structural phase transition in the glassy network. The evolution of the glass transition temperature (Tg), activation energy for crystallization (Ec), glass forming ability and thermal ability as functions of MCN and chemical composition might have substantial implication on screening the best glass for the application in photonics.

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