Phase field simulations of ferroelectrics domain structures in PbZr x Ti 1-x O 3 bilayers

F. Xue, Jianjun Wang, G. Sheng, Esther Huang, Y. Cao, H. H. Huang, Paul Munroe, R. Mahjoub, Y. L. Li, Valanoor Nagarajan, Long-qing Chen

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Domain stability and structures in Pb(Zr 0.3 Ti 0.7 )O 3 /Pb(Zr 0.7 Ti 0.3 )O 3 bilayer films under different substrate strains are studied using the phase field method. It is demonstrated that the domain structure of the bilayer film is very different from those of the corresponding single layer films grown on the same silicon substrate with an incoherent interface. Moreover, the predicted rhombohedral domains in the Pb(Zr 0.7 Ti 0.3 )O 3 layer of the bilayer film have smaller sizes than those in the single layer case. These results are compared with experimental observations and previous thermodynamic analyses. The polarization distributions of the ferroelectric-paraelectric bilayer are analyzed as a function of the thickness of the bilayer film, where there is a "ferroelectric proximity effect" due to dipole-dipole interactions. The phase diagrams for both the bilayer and single layer films as a function of temperature and effective in-plane substrate strain are constructed.

Original languageEnglish (US)
Pages (from-to)2909-2918
Number of pages10
JournalActa Materialia
Volume61
Issue number8
DOIs
StatePublished - May 1 2013

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Ferroelectric materials
Substrates
Silicon
Phase diagrams
Thermodynamics
Polarization
Temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Polymers and Plastics
  • Metals and Alloys

Cite this

Xue, F. ; Wang, Jianjun ; Sheng, G. ; Huang, Esther ; Cao, Y. ; Huang, H. H. ; Munroe, Paul ; Mahjoub, R. ; Li, Y. L. ; Nagarajan, Valanoor ; Chen, Long-qing. / Phase field simulations of ferroelectrics domain structures in PbZr x Ti 1-x O 3 bilayers In: Acta Materialia. 2013 ; Vol. 61, No. 8. pp. 2909-2918.
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abstract = "Domain stability and structures in Pb(Zr 0.3 Ti 0.7 )O 3 /Pb(Zr 0.7 Ti 0.3 )O 3 bilayer films under different substrate strains are studied using the phase field method. It is demonstrated that the domain structure of the bilayer film is very different from those of the corresponding single layer films grown on the same silicon substrate with an incoherent interface. Moreover, the predicted rhombohedral domains in the Pb(Zr 0.7 Ti 0.3 )O 3 layer of the bilayer film have smaller sizes than those in the single layer case. These results are compared with experimental observations and previous thermodynamic analyses. The polarization distributions of the ferroelectric-paraelectric bilayer are analyzed as a function of the thickness of the bilayer film, where there is a {"}ferroelectric proximity effect{"} due to dipole-dipole interactions. The phase diagrams for both the bilayer and single layer films as a function of temperature and effective in-plane substrate strain are constructed.",
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Xue, F, Wang, J, Sheng, G, Huang, E, Cao, Y, Huang, HH, Munroe, P, Mahjoub, R, Li, YL, Nagarajan, V & Chen, L 2013, ' Phase field simulations of ferroelectrics domain structures in PbZr x Ti 1-x O 3 bilayers ', Acta Materialia, vol. 61, no. 8, pp. 2909-2918. https://doi.org/10.1016/j.actamat.2013.01.038

Phase field simulations of ferroelectrics domain structures in PbZr x Ti 1-x O 3 bilayers . / Xue, F.; Wang, Jianjun; Sheng, G.; Huang, Esther; Cao, Y.; Huang, H. H.; Munroe, Paul; Mahjoub, R.; Li, Y. L.; Nagarajan, Valanoor; Chen, Long-qing.

In: Acta Materialia, Vol. 61, No. 8, 01.05.2013, p. 2909-2918.

Research output: Contribution to journalArticle

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AU - Xue, F.

AU - Wang, Jianjun

AU - Sheng, G.

AU - Huang, Esther

AU - Cao, Y.

AU - Huang, H. H.

AU - Munroe, Paul

AU - Mahjoub, R.

AU - Li, Y. L.

AU - Nagarajan, Valanoor

AU - Chen, Long-qing

PY - 2013/5/1

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N2 - Domain stability and structures in Pb(Zr 0.3 Ti 0.7 )O 3 /Pb(Zr 0.7 Ti 0.3 )O 3 bilayer films under different substrate strains are studied using the phase field method. It is demonstrated that the domain structure of the bilayer film is very different from those of the corresponding single layer films grown on the same silicon substrate with an incoherent interface. Moreover, the predicted rhombohedral domains in the Pb(Zr 0.7 Ti 0.3 )O 3 layer of the bilayer film have smaller sizes than those in the single layer case. These results are compared with experimental observations and previous thermodynamic analyses. The polarization distributions of the ferroelectric-paraelectric bilayer are analyzed as a function of the thickness of the bilayer film, where there is a "ferroelectric proximity effect" due to dipole-dipole interactions. The phase diagrams for both the bilayer and single layer films as a function of temperature and effective in-plane substrate strain are constructed.

AB - Domain stability and structures in Pb(Zr 0.3 Ti 0.7 )O 3 /Pb(Zr 0.7 Ti 0.3 )O 3 bilayer films under different substrate strains are studied using the phase field method. It is demonstrated that the domain structure of the bilayer film is very different from those of the corresponding single layer films grown on the same silicon substrate with an incoherent interface. Moreover, the predicted rhombohedral domains in the Pb(Zr 0.7 Ti 0.3 )O 3 layer of the bilayer film have smaller sizes than those in the single layer case. These results are compared with experimental observations and previous thermodynamic analyses. The polarization distributions of the ferroelectric-paraelectric bilayer are analyzed as a function of the thickness of the bilayer film, where there is a "ferroelectric proximity effect" due to dipole-dipole interactions. The phase diagrams for both the bilayer and single layer films as a function of temperature and effective in-plane substrate strain are constructed.

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