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dc.contributor.authorWang, J.
dc.contributor.authorShen, Y.
dc.contributor.authorSong, F.
dc.contributor.authorKe, F.
dc.contributor.authorBai, Y.
dc.contributor.authorLu, Chunsheng
dc.date.accessioned2017-01-30T13:57:56Z
dc.date.available2017-01-30T13:57:56Z
dc.date.created2016-03-01T19:30:28Z
dc.date.issued2016
dc.identifier.citationWang, J. and Shen, Y. and Song, F. and Ke, F. and Bai, Y. and Lu, C. 2016. Effects of oxygen vacancies on polarization stability of barium titanate. Science China: Physics, Mechanics and Astronomy. 59 (3): 634602.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/36840
dc.identifier.doi10.1007/s11433-015-5754-8
dc.description.abstract

© 2016, Science China Press and Springer-Verlag Berlin Heidelberg. Oxygen vacancy, a kind of native point defects in ferroelectric ceramics, usually causes an increase of the dielectric loss. Based on experimental observations, it is believed that all of the oxygen vacancies are an unfavorable factor for energy saving. By using molecular dynamics simulations, we show that the increase of coercive and saturated electric fields is due to the difficulty to switch local polarization near an oxygen vacancy, and so that a ferroelectric device has to sustain the rising consumption of energy. The simulation results also uncover how oxygen vacancies influence ferroelectric properties.

dc.titleEffects of oxygen vacancies on polarization stability of barium titanate
dc.typeJournal Article
dcterms.source.volume59
dcterms.source.number3
dcterms.source.startPage1
dcterms.source.endPage4
dcterms.source.issn1674-7348
dcterms.source.titleScience China: Physics, Mechanics and Astronomy
curtin.departmentDepartment of Mechanical Engineering
curtin.accessStatusFulltext not available


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