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Observation of multiple electrically induced phase transitions and a decoupling of the induced strain and polarization in Sn-modified lead zirconate titanate

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3 Author(s)
Forst, Donald ; Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801 ; Li, Jie-Fang ; Viehland, D.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.119940 

Studies of Pb0.98Nb0.02[(Zr1-xSnx)0.97Ti3]1-zO3 (PZST x/3/2) were performed for 0≪x≪0.20 by electrically induced polarization and strain methods. Maximum electrically induced strains (Є) and polarizations (P) were found in the compositional range around x=0.15, where ferroelectric and antiferroelectric regions coexisted. In addition, these studies demonstrated evidence for two electrically induced phase transitions: (i) an antiferroelectric–ferroelectric near 40 kV/cm, and (ii) a secondary ferroelectric–ferroelectric near 60–80 kV/cm. The dominate contribution to Є was associated with the secondary transition, whereas the dominate contribution to P was associated with the first. © 1997 American Institute of Physics.

Published in:
Applied Physics Letters  (Volume:71 ,  Issue: 11 )

Date of Publication: Sep 1997

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