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|Title:||Hypersonic frequency and damping anomalies in relaxor ferroelectric Pb(Zn1/3Nb2/3)O3|
|Authors:||Kuok, M.H. |
|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|
|Appears in Collections:||Staff Publications|
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