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http://hdl.handle.net/10397/2485
Title: | Crossover from a nearly constant loss to a superlinear power-law behavior in Mn-doped Bi(Mg₁/₂Ti₁/₂)O₃-PbTiO₃ferroelectrics | Authors: | Ke, S Huang, H Yu, S Zhou, L |
Issue Date: | 15-Apr-2010 | Source: | Journal of applied physics, 15 Apr. 2010, v. 107, no. 8, 084112, p. 1-4 | Abstract: | Mn-doped Bi(Mg₁/₂Ti₁/₂)–PbTiO₃disordered ferroelectric ceramics were studied under ac electric fields and a crossover from a nearly constant loss to a superlinear power-law behavior was observed. Our results confirmed that the nearly constant loss behavior also exists in disordered ferroelectrics. The exponent of the superlinear power-law was found to be temperature dependent. Such a behavior was related to the local movements of oxygen vacancies. | Keywords: | Bismuth compounds Ferroelectric ceramics Lead compounds Manganese Permittivity Vacancies (crystal) |
Publisher: | American Institute of Physics | Journal: | Journal of applied physics | ISSN: | 0021-8979 | EISSN: | 1089-7550 | DOI: | 10.1063/1.3386511 | Rights: | © 2010 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 S. Ke et al., J. Appl. Phys. 107, 084112 (2010) and may be found at http://link.aip.org/link/?jap/107/084112 |
Appears in Collections: | Journal/Magazine Article |
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JApplPhys_107_084112.pdf | 398.98 kB | Adobe PDF | View/Open |
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