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Magnetic behaviors of a transverse spin-1/2 Ising cubic nanowire with core/shell structure
Univ Moulay Ismail, LP2MS, Fac Sci, CNRST URAC 08,Unite Associee,Phys Dept, BP 11201, Meknes, Morocco..
Univ Moulay Ismail, LP2MS, Fac Sci, CNRST URAC 08,Unite Associee,Phys Dept, BP 11201, Meknes, Morocco..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Univ Moulay Ismail, LP2MS, Fac Sci, CNRST URAC 08,Unite Associee,Phys Dept, BP 11201, Meknes, Morocco..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Univ Moulay Ismail, LP2MS, Fac Sci, CNRST URAC 08,Unite Associee,Phys Dept, BP 11201, Meknes, Morocco.;Max Planck Inst Phys Complexer Syst, Nothnitzer Str 38, D-01187 Dresden, Germany.; Univ Lorraine, LCP A2MC, Inst Chim Phys & Mat, 1 Bd Arago, F-57070 Metz, France..
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2017 (English)In: Physica. B, Condensed matter, ISSN 0921-4526, E-ISSN 1873-2135, Vol. 507, p. 51-60Article in journal (Refereed) Published
Abstract [en]

The surface shell exchange coupling effect on the magnetic properties (surface shell, core, total longitudinal and total transverse magnetizations, susceptibility, phase diagram and hysteresis loops) of a transverse spin-1/2 Ising cubic nanowire is investigated, in the present work, by employing the effective-field theory based on the probability distribution technique with correlations, for both ferro-and antiferromagnetic cases. We have found that this parameter has a strong effect on the magnetic properties in both cases. In the ferromagnetic case, the total longitudinal magnetization curves display Q-and S-type behaviors and the hysteresis loop has just one loop, whereas in the antiferromagnetic case, the N-type behavior, in which one compensation temperature appears below the critical temperature, exists in the total longitudinal magnetization curve versus reduced temperature, and triple hysteresis loops are found. The effect of applied field is also investigated on the total longitudinal magnetization for the both cases, and we have found that a large applied field value can overcome the antiferromagnetic coupling leading to a ferromagnetic-like behavior.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 507, p. 51-60
Keywords [en]
Surface shell exchange coupling, Magnetic properties, Hysteresis loops, Ferro- and antiferromagnetic cases, Compensation point, Critical temperature
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-320459DOI: 10.1016/j.physb.2016.11.025ISI: 000398054200008OAI: oai:DiVA.org:uu-320459DiVA, id: diva2:1091431
Available from: 2017-04-26 Created: 2017-04-26 Last updated: 2017-04-26Bibliographically approved

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Ainane, AbdelmajidAhuja, R

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