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Effect of Ga on the structure of Ge–Se–Ga glasses from thermal analysis, Raman and XPS measurements

  • K. Maeda
  • T. Sakai
  • K. Sakai
  • T. Ikari
  • M. Munzar
  • D. Tonchev
  • S. O. Kasap
  • G. Lucovsky
Article

Abstract

Temperature modulated differential scanning calorimetry (TMDSC), conventional DSC, X-ray photoelectron spectroscopy (XPS) and Raman scattering experiments have been carried out on stoichiometric (GeSe2)1 − y (Ga2Se3) y chalcogenide glasses where y = 0 to approximately 0.3. A structural model is proposed to explain the experimental results and hence the high Er solubility in Ge–Se–Ga glasses.

Keywords

Temperature Modulate Differential Scanning Calorimetry Ga2Se3 Pair Bonding Model Formal Chemical Valence GeSe3 Tetrahedron 
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.

Notes

Acknowledgement

This work was partly supported by Grant-in-Aid for Scientific Research (15560301) from Japan Society for the Promotion of Science.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • K. Maeda
    • 1
  • T. Sakai
    • 1
  • K. Sakai
    • 1
  • T. Ikari
    • 1
  • M. Munzar
    • 2
  • D. Tonchev
    • 2
  • S. O. Kasap
    • 2
  • G. Lucovsky
    • 3
  1. 1.Department of Electrical and Electronic EngineeringUniversity of MiyazakiMiyazakiJapan
  2. 2.Electrical Engineering DepartmentUniversity of SaskatchewanSaskatoonCanada
  3. 3.Department of Electrical and Computer EngineeringNorth Carolina State UniversityRaleighUSA

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