Dielectric and thermal properties of Pb2Nb2O7at low temperature
作者:
J. D. Siegwarth,
W. N. Lawless,
A. J. Morrow,
期刊:
Journal of Applied Physics
(AIP Available online 1976)
卷期:
Volume 47,
issue 9
页码: 3789-3791
ISSN:0021-8979
年代: 1976
DOI:10.1063/1.323263
出版商: AIP
数据来源: AIP
摘要:
Measurements of the dielectric constant, polarization, zero‐field specific heat, and field‐dependent specific heat of polycrystalline Pb2Nb2O7at low temperatures are reported. No evidence for a phase transition at 15 K was found, contrary to previous suggestions of an antiferroelectric transition at 15 K based on dielectric data. The peak in the dielectric constant appears to be due to relaxation phenomena.
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