Datta, A. ; Giri, Anit K. ; Chakravorty, D. (1991) High dielectric permittivity in sol-gel derived SiO2-As2O3 glasses Applied Physics Letters, 59 (4). pp. 414-416. ISSN 0003-6951
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Official URL: http://apl.aip.org/applab/v59/i4/p414_s1?isAuthori...
Related URL: http://dx.doi.org/10.1063/1.106388
Abstract
Glasses in the system x As2O3(1-x) SiO2 with 0.05<x<0.16 have been prepared by sol-gel route. They exhibit anomalously large dielectric permittivity in the temperature range 275 to 325 K. The permittivity values are found to be in the range 400-100000 depending on the glass composition and the frequency of measurement. This effect is believed to arise due to a fairly large value of ratio [As5+]/[As3+] in these glasses and its drastic change as a function of temperature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 7264 |
| Deposited On: | 25 Oct 2010 12:00 |
| Last Modified: | 28 May 2011 04:54 |
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