Dielectric Relaxation in Crystalline V2O5.
OREGON STATE UNIV CORVALLIS DEPT OF CHEMISTRY
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The real part of the dielectric constant in crystalline V2O5 has been measured in the temperature range 80K to 200K. It rises from about 5, at low temperature, to about 9 in a narrow temperature range which depends upon frequency. The ac conductivity exceeds the dc conductivity by a measurable amount at low temperature, because of the contribution of relaxation. The crystal behaves approximately as a Debye dielectric. The relaxation time was found as a function of temperature. Two models for dipolar centers are proposed and discussed. Author
- Solid State Physics