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Jo, Wook
Sustainable Functional Ceramics Lab
Research Interests
  • Lead-free piezoceramics, ultra - low temperature sintering, ferroelectrics, relaxor ferroelectrics, 2D materials, magnetoelectric materials, multiferroics

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Electric-field-induced antiferroelectric to ferroelectric phase transition in mechanically confined Pb0.99Nb0.02[(Zr0.57Sn0.43)(0.94)Ti-0.06](0.98)O-3

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Title
Electric-field-induced antiferroelectric to ferroelectric phase transition in mechanically confined Pb0.99Nb0.02[(Zr0.57Sn0.43)(0.94)Ti-0.06](0.98)O-3
Author
Tan, XFrederick, J.Ma, C.Aulbach, E.Marsilius, M.Hong, W.Granzow, T.Jo, WookRoedel, J.
Keywords
ZIRCONATE-TITANATE CERAMICS; LEAD-ZIRCONATE; UNIAXIAL-STRESS; TEMPERATURE; BEHAVIOR; TRANSFORMATION; DIFFRACTION; COMPRESSION; STABILITY
Issue Date
2010-01
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW B, v.81, no.1, pp.014103 -
Abstract
The electric-field-induced phase transition was investigated under mechanical confinements in bulk samples of an antiferroelectric perovskite oxide at room temperature. Profound impacts of mechanical confinements on the phase transition are observed due to the interplay of ferroelasticity and the volume expansion at the transition. The uniaxial compressive prestress delays while the radial compressive prestress suppresses it. The difference is rationalized with a phenomenological model of the phase transition accounting for the mechanical confinement.
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DOI
10.1103/PhysRevB.81.014103
ISSN
2469-9950
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