Order-disorder behavior in KNbO{sub 3} and KNbO{sub 3}/KTaO{sub 3} solid solutions and superlattices by molecular-dynamics simulations.

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We use molecular-dynamics simulation to examine the order-disorder behavior in pure ferroelectric KNbO{sub 3} and in KNbO{sub 3}-KTaO{sub 3} ferroelectric-paraelectric solid solutions and superlattices. We find that the order-disorder behavior is remarkably robust and plays an important role in both the polarization rotation associated with switching of the perfect crystal and in the dynamical behavior of the solid solutions and superlattices.

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9 pages

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Phillpot, S. R.; Sepliarsky, M.; Streiffer, S. K.; Stachiotti, M. G. & Migoni, R. L. February 18, 2002.

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Description

We use molecular-dynamics simulation to examine the order-disorder behavior in pure ferroelectric KNbO{sub 3} and in KNbO{sub 3}-KTaO{sub 3} ferroelectric-paraelectric solid solutions and superlattices. We find that the order-disorder behavior is remarkably robust and plays an important role in both the polarization rotation associated with switching of the perfect crystal and in the dynamical behavior of the solid solutions and superlattices.

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9 pages

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  • Proceedings of Ferro2002, Washington, DC (US), 02/03/2002--02/06/2002

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  • Report No.: ANL/MSD/CP-106921
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 792130
  • Archival Resource Key: ark:/67531/metadc738295

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  • February 18, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 23, 2016, 10:58 a.m.

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Phillpot, S. R.; Sepliarsky, M.; Streiffer, S. K.; Stachiotti, M. G. & Migoni, R. L. Order-disorder behavior in KNbO{sub 3} and KNbO{sub 3}/KTaO{sub 3} solid solutions and superlattices by molecular-dynamics simulations., article, February 18, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc738295/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.