Atomistic simulation of paratellurite α-teo2 crystal: i. Defects and ionic transport
- Authors: Ivanov-Schitz A.K.1
-
Affiliations:
- Shubnikov Institute of Crystallography of Kurchatov Complex of Crystallography and Photonics of NRC “Kurchatov Institute”
- Issue: Vol 69, No 6 (2024)
- Pages: 1009-1017
- Section: ФИЗИЧЕСКИЕ СВОЙСТВА КРИСТАЛЛОВ
- URL: https://journal-vniispk.ru/0023-4761/article/view/272134
- DOI: https://doi.org/10.31857/S0023476124060116
- EDN: https://elibrary.ru/YGWVEB
- ID: 272134
Cite item
Abstract
The structure and defects of α-TeO2 paratellurite crystals have been studied using computer modeling. It has been shown that in α-TeO2 the preferred point defects are oxygen vacancies and interstitial oxygen ions. Oxygen vacancies can be either isolated or form complex clusters. It is energetically most favorable for interstitial oxygen ions to be located in channels that penetrate the paratellurite structure along the c-axis. The origin of possible oxygen–ion transport in α-TeO2 is discussed.
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About the authors
A. K. Ivanov-Schitz
Shubnikov Institute of Crystallography of Kurchatov Complex of Crystallography and Photonics of NRC “Kurchatov Institute”
Author for correspondence.
Email: alexey.k.ivanov@gmail.com
Russian Federation, Moscow
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