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LIGHT-INDUCED VOLUME CHANGES IN GLASSY SELENIUM II. KINETICS OF VOLUME EXPANSION

J. Hegedus1,2, K. Kohary3, S. Kugler4,*

Affiliation

  1. Department of Theoretical Physics, Budapest University of Technology and Economics,H-1521 Budapest, Hungary,
  2. Experimental Semiconductor Physics and Material Sciences Center, Philipps University Marburg, Renthof 5 D-35032 Marburg, Germany
  3. Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, UK
  4. Department of Theoretical Physics, Budapest University of Technology and Economics, H-1521 Budapest, Hungary,

Abstract

Based on our previous molecular dynamics simulations we present an universal macroscopic model, which can simultaneously explain the photo-induced volume expansion and shrinkage. It is supported by the recent surface height measurements on amorphous selenium.

Keywords

Photo-induced phenomena, Amorphous chalcogenides.

Submitted at: Aug. 29, 2005
Accepted at: Sept. 22, 2005

Citation

J. Hegedus, K. Kohary, S. Kugler, LIGHT-INDUCED VOLUME CHANGES IN GLASSY SELENIUM II. KINETICS OF VOLUME EXPANSION, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 5, pp. 2231-2233 (2005)