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Jo, Wook
Sustainable Functional Ceramics Lab
Research Interests
  • Lead-free piezoceramics, ultra - low temperature sintering, ferroelectrics, relaxor ferroelectrics, 2D materials, magnetoelectric materials, multiferroics


High-Frequency EPR Analysis of MnO2-Doped [Bi0.5Na0.5]TiO3-BaTiO3 Piezoelectric Ceramics - Manganese Oxidation States and Materials 'Hardening'

DC Field Value Language Erdem, Emre ko Schaab, Silke ko Jo, Wook ko Ozarowski, Andrew ko Van Tol, Johan ko Eichel, Ruediger-A ko 2014-10-21T08:34:56Z - 2014-10-21 ko 2012 ko
dc.identifier.citation FERROELECTRICS, v.428, no., pp.116 - 121 ko
dc.identifier.issn 0015-0193 ko
dc.identifier.uri -
dc.identifier.uri ko
dc.description.abstract High-frequency electron paramagnetic resonance (EPR) has been used to identify different manganese oxidation states in the 0.5 mol% MnO2-doped (100-x)Bi0.5Na0.5TiO3-xBaTiO(3) (BNT-xBT) solid solution with x = 6. The as-sintered and air-annealed samples show two distinct EPR resonances that were assigned to Mn2+- and Mn3+ -ions, respectively, incorporated at the Ti-site. The equilibrium between acceptor-type Mn ''(Ti)- and Mn'(Ti)-states can be explained by the thermodynamic equilibration under air at the sintering temperature corresponding to [n] > [p], which yields an n-type Mn:BNT-6BT compound. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher TAYLOR & FRANCIS LTD ko
dc.subject Bismuth titanate ko
dc.subject Defect structure ko
dc.subject High-frequency EPR ko
dc.subject Manganese doping ko
dc.subject Piezoelectrics ko
dc.title High-Frequency EPR Analysis of MnO2-Doped [Bi0.5Na0.5]TiO3-BaTiO3 Piezoelectric Ceramics - Manganese Oxidation States and Materials 'Hardening' ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84864694262 ko
dc.identifier.wosid 000305245100018 ko
dc.type.rims ART ko
dc.description.wostc 2 *
dc.description.scopustc 2 * 2015-05-06 * 2014-10-21 *
dc.identifier.doi 10.1080/00150193.2012.675831 ko
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