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|Title:||Domain structure and evolution in (PbMg[sub ⅓]Nb[sub ⅔]O₃)[sub 0.75](PbTiO₃)[sub 0.25] single crystal studied by temperature-dependent piezoresponse force microscopy|
Chan, Helen L. W.
Wan, X. M.
|Publisher:||American Institute of Physics|
|Source:||Journal of applied physics, 27 Apr. 2005, v. 97, no. 9, 094107, p. 1-4.|
|Abstract:||Ferroelectric domain structure and evolution in (110)-cut relaxor ferroelectric (PbMg[sub ⅓]Nb[sub ⅔]O₃)[sub 0.75](PbTiO₃)[sub 0.25] (PMN-25PT) single crystal have been studied by means of temperature-dependent piezoresponse force microscopy. It revealed that, during heating, the as-grown PMN-25PT single crystal exhibits a transition from a ferroelectric microdomain structure to a paraelectric phase; while after being cooled back to room temperature the microdomain structure is rebuilt. Domains with size of tens of nanometers were also observed embedded in the microdomains. By contrast, the poled sample exhibits transitions from macro- to microdomain structures at 90 °C and from microdomain structure to paraelectric phase at 115 °C. These direct observations are consistent with temperature-dependent relative permittivity measurements. In situ polarization switching of the domains was also demonstrated.|
|Rights:||© 2005 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in X. Zhao et al. J. Appl. Phys. 97, 094107 (2005) and may be found at http://link.aip.org/link/?jap/97/094107|
|Appears in Collections:||AP Journal/Magazine Articles|
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