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Abstract
Properties of high purity V2O5 nanorods prepared by a sol – gel method are presented. The studied materials were characterized by: X-ray diffractometry (XRD), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). The electrical impedance was measured as a function of temperature and frequency. The obtained results show that the electrical conductivity increases with increasing temperature. The d.c. conductivity exhibits activation energy of 0.23 eV (+/- 0.01). Two dielectric relaxation processes were observed and attributed to the conductivity of grain boundaries and grains interiors.
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Authors (8)
-
Antoni Winiarski
- Instytut Fizyki im. Augusta Chełkowskiego Zakład Fizyki Ciała Stałego
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Keywords
Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
no. 252,
edition 9,
pages 2111 - 2116,
ISSN: 0370-1972 - Language:
- English
- Publication year:
- 2015
- Bibliographic description:
- Prześniak-Welenc M., Szreder N., Winiarski A., Łapiński M., Kościelska B., Barczyński R., Gazda M., Sadowski W.: Electrical conductivity and relaxation processes in V2O5 nanorods prepared by sol–gel method// PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS. -Vol. 252, iss. 9 (2015), s.2111-2116
- DOI:
- Digital Object Identifier (open in new tab) 10.1002/pssb.201552113
- Verified by:
- Gdańsk University of Technology
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