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Investigation of a core/shell Ising nanoparticle: Thermal and magnetic properties
Univ Moulay Ismail, Dept Phys, Fac Sci, LP2MS, Meknes, Morocco..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Univ Moulay Ismail, Dept Phys, Fac Sci, LP2MS, Meknes, Morocco.;Max Planck Inst Phys Complexer Syst, D-01187 Dresden, Germany..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Univ Moulay Ismail, Dept Phys, Fac Sci, LP2MS, Meknes, Morocco.;Max Planck Inst Phys Complexer Syst, D-01187 Dresden, Germany..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
2016 (English)In: Physica. B, Condensed matter, ISSN 0921-4526, E-ISSN 1873-2135, Vol. 481, 124-132 p.Article in journal (Refereed) Published
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Abstract [en]

The phase diagrams and magnetic hysteresis behavior of a spin-1/2 Ising core/shell nanoparticle are investigated by the use of the effective field theory with a probability distribution technique that accounts for the self-spin correlation functions. Nearest-neighbor pair interactions are incorporated between the Ising spins in the three parts of the nanoparticle that are core, core/shell and surface shell. The effects of the external magnetic field and core/shell exchange interaction on the thermal magnetization and susceptibility of the system are examined.

Place, publisher, year, edition, pages
2016. Vol. 481, 124-132 p.
Keyword [en]
Magnetic core/shell nanoparticle, Compensation, Point, Hysteresis loops, Coercive field
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-270916DOI: 10.1016/j.physb.2015.10.033ISI: 000365888800018OAI: oai:DiVA.org:uu-270916DiVA: diva2:890995
Funder
Swedish Research Council
Available from: 2016-01-05 Created: 2016-01-05 Last updated: 2017-12-01Bibliographically approved

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Ahuja, Rajeev

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