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Temperature dependences of permittivity and conductivity of sodium-lithium niobate ceramics
- Authors: Malysheva N.E.1, Malyshkina О.V.2
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Affiliations:
- Zhukov Military Academy of Aerospace Defence
- Tver State University
- Issue: Vol 87, No 9 (2023)
- Pages: 1332-1336
- Section: Articles
- URL: https://journal-vniispk.ru/0367-6765/article/view/135493
- DOI: https://doi.org/10.31857/S0367676523702344
- EDN: https://elibrary.ru/OIWMGG
- ID: 135493
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Abstract
As a result of comparative studies of the electric and dielectric properties of sodium-lithium niobate ceramics with a percentage of Li equal to 10 and 40 mass %, it was found that both materials have a hopping conduction mechanism. At frequencies from 500 Hz to 100 kHz, thermal ionic polarization predominates. In the low-frequency region, migratory polarization predominates. The revealed difference in the temperature behavior of the complex conductivity of the studied samples made it possible to explain the presence of ferroelectric properties in the sample with 10% Li and their absence in the sample with 40% Li.
About the authors
N. E. Malysheva
Zhukov Military Academy of Aerospace Defence
Email: Olga.Malyshkina@mail.ru
Russia, 170100, Tver
О. V. Malyshkina
Tver State University
Author for correspondence.
Email: Olga.Malyshkina@mail.ru
Russia, 170100, Tver
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