Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.1356733
Title: Hypersonic frequency and damping anomalies in relaxor ferroelectric Pb(Zn1/3Nb2/3)O3
Authors: Kuok, M.H. 
Ng, S.C. 
Fan, H.J.
Iwata, M.
Ishibashi, Y.
Issue Date: 19-Mar-2001
Citation: Kuok, M.H., Ng, S.C., Fan, H.J., Iwata, M., Ishibashi, Y. (2001-03-19). Hypersonic frequency and damping anomalies in relaxor ferroelectric Pb(Zn1/3Nb2/3)O3. Applied Physics Letters 78 (12) : 1727-1729. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1356733
Abstract: Brillouin scattering from relaxor ferroelectric Pb(Zn1/3Nb2/3)O3 has been measured between 296 and 780 K. Heating of the virgin Pb(Zn1/3Nb2/3)O3 crystal produced results that are different from those of subsequent heating or cooling processes. An unusually broad softening of the longitudinal acoustic-mode frequency, due to the diffuse ferroelectric-phase transition, is observed. The attendant phonon damping is attributed to order-parameter fluctuations. A huge temperature hysteresis, which eluded observation by other techniques, has been found. © 2001 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/96857
ISSN: 00036951
DOI: 10.1063/1.1356733
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