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Monte-Carlo simulation on the dipole alignment in ferroelectric square lattice
Liu, JM; Wang, X; Chan, HLW; Choy, CL
Corresponding AuthorLiu, JM(liujm@nju.edu.cn)
2004-10-15
Source PublicationMATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY
ISSN0921-5107
Volume113Issue:1Pages:67-72
AbstractThe dipole alignment configuration in a multi-domained ferroelectric lattice of cubic symmetry is simulated using the Monte-Carlo method based on the Ginzburg-Landau model. It is revealed that the gradient energy associated with the spatial discontinuity of the dipole alignment near the domain walls results in not only 90degrees-domain configuration, but also distorted dipole alignment. The simulation shows that such a distorted alignment pattern is thermodynamically preferred at low temperature. The effect of the alignment distortion on the ferroelectric phase transition is discussed. It is found that a state number Q = 16 is enough for a reliable simulation of the distorted alignment of dipoles. (C) 2004 Elsevier B.V. All rights reserved.
KeywordGinzburg-Landau model domain walls Monte-Carlo simulation
DOI10.1016/j.mseb.2004.06.019
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Condensed Matter
WOS IDWOS:000224050000012
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81835
Corresponding AuthorLiu, JM
Affiliation1.Nanjing Univ, Lab Solid State Microstruct, Nanjing 210093, Peoples R China
2.Hong Kong Polytech Univ, Dept Appl Phys, Kowloon, Hong Kong, Peoples R China
3.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang, Peoples R China
Recommended Citation
GB/T 7714
Liu, JM,Wang, X,Chan, HLW,et al. Monte-Carlo simulation on the dipole alignment in ferroelectric square lattice[J]. MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY,2004,113(1):67-72.
APA Liu, JM,Wang, X,Chan, HLW,&Choy, CL.(2004).Monte-Carlo simulation on the dipole alignment in ferroelectric square lattice.MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY,113(1),67-72.
MLA Liu, JM,et al."Monte-Carlo simulation on the dipole alignment in ferroelectric square lattice".MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY 113.1(2004):67-72.
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