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Magnetic Properties of a Transverse Ising 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: Journal of Superconductivity and Novel Magnetism, ISSN 1557-1939, E-ISSN 1557-1947, Vol. 28, no 3, 885-890 p.Article in journal (Refereed) Published
Abstract [en]

We use the effective field theory with a probability distribution technique to investigate the magnetic properties of an antiferromagnetic Ising core/shell nanoparticle with a negative interlayer coupling core/shell in the presence of both the longitudinal and the transverse fields. Nearest-neighbor pair interactions are incorporated between the Ising spins in three parts that are core, core/shell, and surface shell. The effects of the external and the transverse fields and the exchange interactions between core/shell and in surface shell on the hysteresis loops and the susceptibility of the nanoparticle are examined. A number of interesting phenomena have been found.

Place, publisher, year, edition, pages
2015. Vol. 28, no 3, 885-890 p.
Keyword [en]
Effective field theory, Antiferromagnetic nanoparticle, Hysteresis loops, Transverse field
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URN: urn:nbn:se:uu:diva-251506DOI: 10.1007/s10948-014-2734-6ISI: 000350360800026OAI: oai:DiVA.org:uu-251506DiVA: diva2:807123
Available from: 2015-04-22 Created: 2015-04-20 Last updated: 2017-12-04Bibliographically approved

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Ahuja, Rajeev

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