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Title: Structural phase transformations and nanotwin domains in 0.93Pb(Zn 1/3Nb2/3)O3-0.07PbTiO3
Authors: Chang, W.S. 
Lim, L.C. 
Yang, P. 
Wang, F.-T.
Hsieh, C.-M.
Tu, C.-S.
Issue Date: 1-Oct-2008
Source: Chang, W.S., Lim, L.C., Yang, P., Wang, F.-T., Hsieh, C.-M., Tu, C.-S. (2008-10-01). Structural phase transformations and nanotwin domains in 0.93Pb(Zn 1/3Nb2/3)O3-0.07PbTiO3. Journal of Physics Condensed Matter 20 (39) : -. ScholarBank@NUS Repository.
Abstract: By means of combined dielectric permittivity and thermal current density measurements and insitu high-resolution synchrotron x-ray diffraction study, it is shown that the unpoled and poled 0.93Pb(Zn1/3Nb 2/3)O3-0.07PbTiO3 (PZN-7%PT) single crystals undergo a R-(R+RNT+T+TNT)-(T+TNT)-C transformation sequence upon zero-field heating, where R, T and C are rhombohedral, tetragonal and cubic phases, respectively. Rhombohedral (R NT) and tetragonal (TNT) nanotwin domains were detected in the vicinity of the R-T transformation temperature (TR-T) in both the unpoled and poled states. These nanotwins are likely bridging phases which help to alleviate the internal stresses accompanying the phase transformations. © 2008 IOP Publishing Ltd.
Source Title: Journal of Physics Condensed Matter
ISSN: 09538984
DOI: 39/395229
Appears in Collections:Staff Publications

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