Charge Ordering of Multiferroic LuFe2O4: Influence of Doping and Electric Field

Dmitry Andreevich Maslov; Yuri Borislavovich Kudasov

doi:10.4028/www.scientific.net/SSP.233-234.375

Paper Titles

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Crystal and Magnetic State of Multiferroic Composites (x)MFe₂O₄ + (1-x)BaTiO₃, M = Ni, Co
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Charge Ordering of Multiferroic LuFe₂O₄: Influence of Doping and Electric Field
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Monte Carlo Modelling of Two Dimensional Multiferroics
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The Correlations between Dynamic Interactions in Antiferromagnetic Multiferroics
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HomeSolid State PhenomenaSolid State Phenomena Vols. 233-234Charge Ordering of Multiferroic LuFe2O4: Influence...

Charge Ordering of Multiferroic LuFe₂O₄: Influence of Doping and Electric Field

Abstract:

Charge ordering of nonstoichiometric LuFe₂O₄₊_δ is discussed. Properties of triangular bilayer are investigated via mean field theory with Coulomb interaction between sites. It is shown that low temperature state of bilayer has dipole moment essentially under any doping parameter. Correlation between sites in neighbor layers is estimated and dimer partially disordered antiferroelectric phase is extended for the case of nonstoichiometric samples. Competition of correlation effect with bilayer interaction and external electric field is discussed. Phase diagrams for doped specimen are presented. The results of investigation are used to clarify a significant surface impact.

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Periodical:

Solid State Phenomena (Volumes 233-234)

Pages:

375-378

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.233-234.375

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Online since:

July 2015

Authors:

Dmitry Andreevich Maslov*, Yuri Borislavovich Kudasov

Keywords:

Bilayer, Charge Ordering, Dimer Partially Disordered Antiferroelectric Phase, Lutetium Ferrite, Multiferroic, Phase Diagram

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