Depletion and depolarizing effects in ferroelectric thin films and their manifestations in switching and fatigue
作者:
A.K. Tagantsev,
Cz. Pawlaczyk,
K. Brooks,
M. Landivar,
E. Colla,
N. Setter,
期刊:
Integrated Ferroelectrics
(Taylor Available online 1995)
卷期:
Volume 6,
issue 1-4
页码: 309-320
ISSN:1058-4587
年代: 1995
DOI:10.1080/10584589508019374
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The manifestations of semiconductor depletion and depolarizing effects in switching and fatigue are studied and compared. It is shown that these effects play important but quite different roles in switching. The depletion effect strongly influences the values of the coercive field, Ec, and is responsible for its filmthickness dependence. The depolarizing effect influences significantly other parameters of the hysteresis loops. It is shown that the inverse thickness dependence of Eccan not be attributed to the presence of a non-switching layer. Contribution of the effects in question to fatigue of the loop parameters is discussed.
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