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dc.contributor.authorTu, Chi-Shun
dc.contributor.authorHung, C.-M.
dc.contributor.authorXu, Zhe-Rui
dc.contributor.authorSchmidt, V. Hugo
dc.contributor.authorTing, Yi
dc.contributor.authorChien, R.R.
dc.contributor.authorPeng, Y.-T.
dc.contributor.authorAnthoninappen, J.
dc.date.accessioned2016-12-07T19:09:26Z
dc.date.available2016-12-07T19:09:26Z
dc.date.issued2013
dc.identifier.citationC.S. Tu, C.-M. Hung, Z.-R. Xu, V.H. Schmidt, Y. Ting, R.R. Chien, Y.-T. Peng, and J. Anthoninappen, “Calcium-doping effects on photovoltaic response and structure in multiferroic BiFeO3 ceramics,” J. Appl. Phys. 114, 124105 (2013).en_US
dc.identifier.issn0021-8979
dc.identifier.urihttps://scholarworks.montana.edu/xmlui/handle/1/12349
dc.description.abstractPhotovoltaic (PV) effects, power-conversion efficiencies, and structures have been systematically measured in (Bi1− x Ca x )FeO3−δ ceramics for x = 0.05, 0.10, and 0.15. The heterostructures of indium tin oxide (ITO) film/(Bi1− x Ca x )FeO3−δ ceramics/Au film exhibit significant PV effects under illumination of λ = 405 nm. The maximum power-conversion efficiency in the ITO/(Bi0.90Ca0.10)FeO2.95 (BFO10C)/Au can reach 0.0072%, which is larger than 0.0025% observed in the graphene/polycrystalline BFO/Pt films [Zang et al., Appl. Phys. Lett. 99, 132904 (2011)]. A theoretical model based on optically excited current in the depletion region between ITO film and Ca-doped BFO ceramics is used to describe the I-V characteristic, open-circuit voltage, and short-circuit current density as a function of illumination intensity. This work suggests that the Ca-substitution can reduce the rhombohedral distortion and stabilize the single-phase structure.en_US
dc.language.isoen_USen_US
dc.titleCalcium-doping effects on photovoltaic response and structure in multiferroic BiFeO3 ceramicsen_US
dc.typeArticleen_US
mus.citation.extentfirstpage124105.1en_US
mus.citation.extentlastpage124105.6en_US
mus.citation.issue12en_US
mus.citation.journaltitleJournal of Applied Physicsen_US
mus.citation.volume114en_US
mus.identifier.categoryPhysics & Mathematicsen_US
mus.identifier.doihttp://dx.doi.org/10.1063/1.4823856en_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.departmentPhysics.en_US
mus.relation.universityMontana State University - Bozemanen_US


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