Domain engineered switchable strain states in ferroelectric (011) [Pb(Mg1/3Nb2/3)O3](1-x)-[PbTiO 3]x (PMN-PT, x≈0.32) single crystals

Tao Wu, Ping Zhao, Mingqiang Bao, Alexandre Bur, Joshua L. Hockel, Kin Wong, Kotekar P. Mohanchandra, Christopher S. Lynch, Gregory P. Carman

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The ferroelectric properties of (011) [Pb(Mg1/3Nb 2/3)O3](1-x)-[PbTiO3]x (PMN-PT, x≈0.32) single crystals with focus on piezoelectric strain response were reported. Two giant reversible and stable remanent strain states and tunable remanent strain properties are achieved by properly reversing the electric field from the depolarized direction. The unique piezoelectric strain response, especially along the [100] direction, mainly stems from the non-180 ferroelectric polarization reorientation in the rhombohedral phase crystal structure. Such giant strain hysteresis with tunable remanent strain properties may be useful for magnetoelectric based memory devices as well as a potential candidate for other applications.

Original languageEnglish (US)
Article number124101
JournalJournal of Applied Physics
Issue number12
StatePublished - Jun 15 2011

Bibliographical note

Funding Information:
The authors appreciate Dr. Saeed I Khan to perform the single crystal X-ray diffraction measurement, and Mr. Chin-Jui Hsu, Hyungsuk K.D. Kim and Scott Keller for their valuable discussion. This work was supported by the Air Force Office of Scientific Research (AFOSR) under Grant No. FA9550-09-1-0677 managed by Byung-Lip (Les) Lee, U.S. National Science Foundation (NSF) under Grant No. CMMI-0802658, and Swiss National Science Foundation (SNF) under Grant No. PBNEP2-124323.


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