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Title: Relaxor ferroelectric characteristics and temperature-dependent domain structure in a (110)-cut (PbMg[sub ⅓]Nb[sub ⅔]O₃)[sub 0.75](PbTiO₃)[sub 0.25] single crystal
Authors: Zhao, X
Dai, J 
Wang, J
Chan, HLW 
Choy, CL 
Wan, XM
Luo, H
Issue Date: 23-Aug-2005
Source: Physical review. B, Condensed matter and materials physics, 23 Aug. 2005, v. 72, 064114, p. 1-7
Abstract: Relaxor ferroelectric characteristics of (110)-cut (PbMg[sub ⅓]Nb[sub ⅔]O₃)[sub 0.75](PbTiO₃)[sub 0.25] single crystal has been revealed by temperature-dependent hysteresis loops and dielectric permittivities measurements. Ferroelectric domain structure and evolution in the as-grown and the poled samples have also been studied by means of temperature-dependent piezoresponse force microscopy. The result from the as-grown single crystal reveals that the microdomain size distribution follows an exponential cutoff, and the crystal exhibits a transition from ferroelectric microdomain to paraelectric phase upon heating; while being cooled back to room temperature, new microdomains are rebuilt. By contrast, lamellar-shaped macrodomains have been observed in the poled sample and transitions from macro- to microdomain structures at 90 °C and from microdomain structure to paraelectric phase at 115 °C have been observed upon heating, respectively.
Keywords: Lead compounds
Magnesium compounds
Relaxor ferroelectrics
Electric domains
Atomic force microscopy
Heat treatment
Cooling
Ferroelectric transitions
Permittivity
Dielectric hysteresis
Publisher: American Physical Society
Journal: Physical review. B, Condensed matter and materials physics 
ISSN: 1098-0121
EISSN: 1550-235X
Rights: Physical Review B © 2005 American Physical Society. The Journal's web site is located at http://prb.aps.org/
Appears in Collections:Journal/Magazine Article

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