Materials Research Bulletin, volume 145, pages 111548
Domain-wall freezing in Cd2Nb2O7 pyrochlore single crystal
Publication type: Journal Article
Publication date: 2022-01-01
Journal:
Materials Research Bulletin
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 5.4
ISSN: 00255408
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
• Cd 2 Nb 2 O 7 demonstrates typical features of the domain-wall "freezing" dynamics;. • Dielectric relaxation time follows the Vogel-Tammann-Fulcher relation;. • Contribution of the domain-wall relaxation process is more than 85%. Cadmium niobate Cd 2 Nb 2 O 7 is a rare example of a bulk ferroelectric with a pyrochlore structure, which is characterized by an extremely complex phase diagram and contradictions in the structural phase transitions and polar states. Here, the dielectric spectroscopy studies of the Cd 2 Nb 2 O 7 single crystals were performed. For the first time it was shown that dielectric behavior of these crystals demonstrates all typical features of the domain-wall "freezing" dynamics such as the characteristic "kink" on the temperature dependence of the real part of the dielectric permittivity as well as the fulfillment of the Vogel-Tammann-Fulcher relation of the experimentally determined temperature dependence of the relaxation time. It was found that the contribution of the domain-wall relaxation process to the total low-frequency dielectric permittivity is more than 85% at the temperature at which the dielectric dispersion is most pronounced. Thus, a limited family of the ferroelectrics exhibiting domain-wall freezing phenomena was expanded.
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European Physical Journal B
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European Physical Journal B
1 publication, 50%
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Citations by publishers
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Springer Nature
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Springer Nature
1 publication, 50%
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Talanov M. V., Pavelko A., Kamzina L. S. Domain-wall freezing in Cd2Nb2O7 pyrochlore single crystal // Materials Research Bulletin. 2022. Vol. 145. p. 111548.
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Talanov M. V., Pavelko A., Kamzina L. S. Domain-wall freezing in Cd2Nb2O7 pyrochlore single crystal // Materials Research Bulletin. 2022. Vol. 145. p. 111548.
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TY - JOUR
DO - 10.1016/j.materresbull.2021.111548
UR - https://doi.org/10.1016%2Fj.materresbull.2021.111548
TI - Domain-wall freezing in Cd2Nb2O7 pyrochlore single crystal
T2 - Materials Research Bulletin
AU - Talanov, M. V.
AU - Pavelko, Aleksey
AU - Kamzina, L. S.
PY - 2022
DA - 2022/01/01 00:00:00
PB - Elsevier
SP - 111548
VL - 145
SN - 0025-5408
ER -
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@article{2022_Talanov,
author = {M. V. Talanov and Aleksey Pavelko and L. S. Kamzina},
title = {Domain-wall freezing in Cd2Nb2O7 pyrochlore single crystal},
journal = {Materials Research Bulletin},
year = {2022},
volume = {145},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016%2Fj.materresbull.2021.111548},
pages = {111548},
doi = {10.1016/j.materresbull.2021.111548}
}
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