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research article

Fatigue of piezoelectric properties in Pb(Zr,Ti)O-3 films

Kholkin, A. L.
•
Colla, E. L.
•
Tagantsev, A. K.  
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1996
Applied Physics Letters

Piezoelectric properties of Pb(Zr,Ti)O-3 thin films are investigated as a function of the number of bipolar (switching) and unipolar (nonswitching) voltage pulses. The longitudinal piezoelectric coefficient d(33) decreases with bipolar fatigue reflecting the decrease of switchable polarization. Simultaneously, a strong vertical shift of piezoelectric hysteresis loops is observed, which is considered as the buildup of fixed internal polarization due to the pinning of ferroelectric domains in a preferred orientation. Piezoelectric fatigue induced by unipolar (nonswitching) pulses is considerably smaller than the fatigue under bipolar conditions and can be described by the internal bias field which shifts piezoelectric hysteresis loops along the field axis. (C) 1996 American Institute of Physics.

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Type
research article
DOI
10.1063/1.116189
Web of Science ID

WOS:A1996UG86600039

Author(s)
Kholkin, A. L.
•
Colla, E. L.
•
Tagantsev, A. K.  
•
Taylor, D. V.
•
Setter, N.  
Date Issued

1996

Published in
Applied Physics Letters
Volume

68

Issue

18

Start page

2577

End page

2579

Subjects

ferroelectric memories

Note

Kholkin, Al Ecole Polytech Fed Lausanne,Ceram Lab,Ch-1015 Lausanne,Switzerland

Ug866

Cited References Count:12

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LC  
Available on Infoscience
August 21, 2006
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/233286
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