Theoretical Investigations of Hysteresis Loops of Ferroelectric or Ferrielectric Nanotubes with Core/Shell Morphology

In this paper, the hysteresis behavior of the nanotubes, consisting of a ferroelectric core of spin-1/2 surrounded by a ferroelectric shell of spin-1/2 with ferro- or anti-ferroelectric interfacial coupling is studied by using the transverse Ising model (TIM). Based on a probability distribution met...

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Bibliographic Details
Published in:Journal of superconductivity and novel magnetism 2012-10, Vol.25 (7), p.2407-2414
Main Authors: Zaim, A., Kerouad, M., Boughrara, M., Ainane, A., de Miguel, J. J.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Condensed Matter Physics
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Dielectric properties of solids and liquids
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Exact sciences and technology
Ferroelectric materials
Ferroelectricity
Hysteresis loops
Joining
Magnetic Materials
Magnetism
Materials science
Mathematical models
Nanoscale materials and structures: fabrication and characterization
Nanotubes
Original Paper
Physics
Physics and Astronomy
Shells
Strongly Correlated Systems
Superconductivity
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Summary:In this paper, the hysteresis behavior of the nanotubes, consisting of a ferroelectric core of spin-1/2 surrounded by a ferroelectric shell of spin-1/2 with ferro- or anti-ferroelectric interfacial coupling is studied by using the transverse Ising model (TIM). Based on a probability distribution method, the effective field theory has been used to examine the effects of the interfacial coupling constant, the transverse field, and the temperature on the hysteresis loops of the nanotubes. A number of characteristic behaviors have been found, such as the existence of triple hysteresis loops for appropriate values of the system parameters. The remanent polarization and the coercive field, as functions of the temperature, are examined.
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-012-1620-3