Srinivasan, A. ; Madhusoodanan, K. N. ; Gopal, E. S. R. ; Philip, J. (1992) Observation of a threshold behavior in the optical band gap and thermal diffusivity of Ge-Sb-Se glasses Physical Review B: Condensed Matter and Materials Physics, 45 (14). pp. 8112-8115. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v45/i14/p8112_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.45.8112
Abstract
The optical band gap (E0) and thermal diffusivity (α) of bulk GexSb5Se95-x and GexSb10Se90-x glasses have been measured using the photoacoustic technique. The behavior of E0 and α as the mean coordination number <r> is varied shows a maximum at <r>=2.6. The anomalous behavior at <r>=2.6 is explained on the basis of changes in the network topology due to the formation and development of layered structure in these glasses.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 71019 |
| Deposited On: | 24 Nov 2011 03:59 |
| Last Modified: | 24 Nov 2011 03:59 |
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