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Molecular-dynamics investigation on polarization retention of barium titanate nanofilm arising from ordered oxygen vacancy
Wang J; Soh AK; Xiao P; Ke FJ(柯孚久)
Source PublicationEPL
2010
Volume92Issue:1Pages:17006
ISSN0295-5075
AbstractMolecular-dynamics simulations have been carried out to investigate the electric hysteresis of barium titanate nanofilm containing oxygen vacancy ordering array parallel to the {101} crystal plane. The results obtained show a significant weakening of polarization retention from non-zero value to zero as the size of the array was reduced to a critical level, which was attributed to the formation and motion of head-to-head domain wall structure under external field loading process. By comparing with materials containing isolated oxygen vacancies, it was found that the zero retention was due to the oxygen vacancy ordering array rather than to the concentration of oxygen vacancy. Copyright (C) EPLA, 2010
KeywordFerroelectric Properties Thin-films Simulation Mechanism Fatigue Motion Model
DOI10.1209/0295-5075/92/17006
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000284469900029
WOS KeywordFERROELECTRIC PROPERTIES ; THIN-FILMS ; SIMULATION ; MECHANISM ; FATIGUE ; MOTION ; MODEL
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Funding OrganizationResearch Grants Council of the Hong Kong Special Administrative Region, China [HKU 716007E] ; NSFC [10772012, 10732090, 10772181, 10721202] ; Chinese Academy of Sciences (CAS) [KJCX2-YW-M04] ; NBRPC [2007CB814803]
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43443
Collection非线性力学国家重点实验室
Corresponding AuthorSoh AK
Recommended Citation
GB/T 7714
Wang J,Soh AK,Xiao P,et al. Molecular-dynamics investigation on polarization retention of barium titanate nanofilm arising from ordered oxygen vacancy[J]. EPL,2010,92(1):17006.
APA Wang J,Soh AK,Xiao P,&柯孚久.(2010).Molecular-dynamics investigation on polarization retention of barium titanate nanofilm arising from ordered oxygen vacancy.EPL,92(1),17006.
MLA Wang J,et al."Molecular-dynamics investigation on polarization retention of barium titanate nanofilm arising from ordered oxygen vacancy".EPL 92.1(2010):17006.
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