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Vovk, R. V.; Nazyrov, Z. F.; Obolenskii, M. A.; Goulatis, I. L.; Chroneos, A. and Pinto Simoes, V. M.
(2011).
DOI: https://doi.org/10.1080/14786435.2011.552893
Abstract
We investigate the influence of high hydrostatic pressure on the electrical resistance in the ab-plane in HoBa2Cu3O7-δ single crystals with oxygen deficiency. It is determined that the high-pressure-induced redistribution of labile oxygen enhances phase separation, which is accompanied by structural relaxation and ascending diffusion within the volume of the sample. This results in a significant displacement of the temperature intervals that correspond to metal-to-dielectric-type transitions. It is determined that the formation of the low-temperature phase can occur at the twin boundaries.
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About
- Item ORO ID
- 35207
- Item Type
- Journal Item
- ISSN
- 1478-6443
- Keywords
- HoBaCuO single crystals; hydrostatic pressure; labile oxygen; pseudo-gap anomaly; metal-to-dielectric transition; twin boundaries
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM) - Copyright Holders
- © 2011 Taylor & Francis
- Depositing User
- Alexander Chroneos