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http://hdl.handle.net/10397/559
| 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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| relaxor-ferroelectric_05.pdf | 657.23 kB | Adobe PDF | View/Open |
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