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Hysteresis loops and dielectric properties of compositionally graded (Ba,Sr)TiO3 thin films described by the transverse Ising model
Univ Moulay Ismail, Unite Associee CNRST URAC 08, Dept Phys, LP2MS,Fac Sci, BP 11201, Meknes, Morocco..
Univ Moulay Ismail, Unite Associee CNRST URAC 08, Dept Phys, LP2MS,Fac Sci, BP 11201, Meknes, Morocco..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Univ Moulay Ismail, Unite Associee CNRST URAC 08, Dept Phys, LP2MS,Fac Sci, BP 11201, Meknes, Morocco.;Max Planck Inst Phys Komplexer Syst, Nothnitzer Str 38, D-01187 Dresden, Germany.;ICPM, LPMD, 1 Bd Arago, F-57070 Metz, France..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
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2016 (English)In: Zhongguó wùli xuékan, ISSN 0577-9073, Vol. 54, no 4, 533-544 p.Article in journal (Refereed) Published
Abstract [en]

Using the effective field theory with a probability distribution technique that accounts for the self-spin correlations, we apply the transverse spin-1/2 Ising model to study the intrinsic hysteresis of compositionally graded Ba1-xSrxTiO3 (BST) thin films with x decreasing from 0.20 to 0.10 in successive slabs. The random bond model of related parameters is applied to mimic doping. The effects of the thickness, the concentration of Sr, the number of slabs and the temperature on the polarization and the hysteresis are discussed.

Place, publisher, year, edition, pages
2016. Vol. 54, no 4, 533-544 p.
Keyword [en]
Concentration-graded ferroelectrics, Ferroelectric phase transition, Hysteresis loops
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-306767DOI: 10.1016/j.cjph.2016.06.012ISI: 000384737300009OAI: oai:DiVA.org:uu-306767DiVA: diva2:1044455
Available from: 2016-11-03 Created: 2016-11-03 Last updated: 2016-11-03Bibliographically approved

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Ahuja, Rajeev
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