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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. |
|Citation:||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. https://doi.org/10.1088/0953-8984/20/39/395229|
|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|
|Appears in Collections:||Staff Publications|
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