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Magnetic properties of a single transverse Ising ferrimagnetic nanoparticle
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
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2015 (English)In: Physica. B, Condensed matter, ISSN 0921-4526, E-ISSN 1873-2135, Vol. 456, 142-150 p.Article in journal (Refereed) Published
Abstract [en]

Using the effective field theory with a probability distribution technique that accounts for the self-spin correlation function, the thermal and the magnetic properties of a single Ising nanoparticle consisting of a ferromagnetic core, a ferromagnetic surface shell and a ferrimagnetic interface coupling are examined. The effect of the transverse held in the surface shell, the exchange interactions between core/shell and in surface shell on the free energy, thermal magnetization, specific heat and susceptibility are studied. A number of interesting phenomena have been found such as the existence of the compensation phenomenon and the magnetization profiles exhibit P-type, N-type and Q-type behaviors. (C) 2014 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2015. Vol. 456, 142-150 p.
Keyword [en]
Ferrimagnetic nanoparticle, Effective field theory, Free energy, Specific heat, Magnetization profiles, Compensation behavior
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URN: urn:nbn:se:uu:diva-242857DOI: 10.1016/j.physb.2014.08.047ISI: 000346841200026OAI: oai:DiVA.org:uu-242857DiVA: diva2:787214
Available from: 2015-02-09 Created: 2015-02-02 Last updated: 2017-12-04Bibliographically approved

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Ainane, AbdelmajidAhuja, Rajeev

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