In this paper, the dielectric relaxation process in 11 mol% yttria-stabilized zirconia (YSZ) crystals were studied by using thermally stimulated depolarization current (TSDC) method and the origin responsible for dielectric polarization was discussed. TSDC measurements were performed in the temperature range of 173-500 K. By fitting the measured data with theoretical TSDC curves of dipole polarization, four peaks, with the activation energy of 0.46 eV, 0.99 eV, 1.15 eV, and 2.10 eV respectively, were observed. The origin for the peaks was attributed to the different migration paths of oxygen vacancies.
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Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South KoreaUniv Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
Kim, Seung-Wan
Kang, Suk-Joong L.
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Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South KoreaUniv Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
Kang, Suk-Joong L.
Chen, I-Wei
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Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USAUniv Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
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Univ Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USAUniv Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USA
Holgate, Collin S.
Seward, Gareth G. E.
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Univ Calif Santa Barbara, Dept Earth Sci, Santa Barbara, CA 93106 USAUniv Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USA
Seward, Gareth G. E.
Ericks, Andrew R.
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Univ Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USAUniv Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USA
Ericks, Andrew R.
Poerschke, David L.
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Univ Minnesota, Dept Chem Engn & Mat Sci, 421 Washington Ave SE, Minneapolis, MN 55455 USAUniv Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USA
Poerschke, David L.
Levi, Carlos G.
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Univ Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USAUniv Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USA
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Univ Sheffield, Dept Mat Sci & Engn, Mappin St, Sheffield S1 3JD, S Yorkshire, England
Univ Politecn Cataluna, Inst Energy Technol, EEBE, Eduard Maristany 10-14, Barcelona 08019, SpainUniv Sheffield, Dept Mat Sci & Engn, Mappin St, Sheffield S1 3JD, S Yorkshire, England
Vendrell, Xavier
West, Anthony R.
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Univ Sheffield, Dept Mat Sci & Engn, Mappin St, Sheffield S1 3JD, S Yorkshire, EnglandUniv Sheffield, Dept Mat Sci & Engn, Mappin St, Sheffield S1 3JD, S Yorkshire, England