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Dynamic magneto-caloric effect of a multilayer nanographene: Dynamic quantum Monte Carlo
Univ Moulay Ismail, UniteAssociee CNRST URAC 08, Fac Sci, Dept Phys,LP2MS, BP 11201, Meknes, Morocco.
Univ Moulay Ismail, UniteAssociee CNRST URAC 08, Fac Sci, Dept Phys,LP2MS, BP 11201, Meknes, Morocco.
Mohammed V Univ, Fac Sci, Lab Condensed Matter & Interdisciplinary Sci LaMC, Ave Ibn Batouta,BP 1014, Rabat, Morocco.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Univ Moulay Ismail, UniteAssociee CNRST URAC 08, Fac Sci, Dept Phys,LP2MS, BP 11201, Meknes, Morocco.
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2019 (English)In: Physica. E, Low-Dimensional systems and nanostructures, ISSN 1386-9477, E-ISSN 1873-1759, Vol. 105, p. 139-145Article in journal (Refereed) Published
Abstract [en]

Using the dynamic quantum Monte Carlo simulation, the dynamic magnetocaloric effect of a ferromagnetic multilayer nanographene (MNG) is studied within the dynamic Ising model under the applied of a time-dependent oscillating (h(t)) magnetic field. The influence of the amplitude h(0) and the period tau of the h(t) and the transverse field Omega on the thermal behavior of the dynamic order parameter and the dynamic magnetocaloric properties (the dynamic isothermal Delta S-T (T, h(t)) entropy change and the dynamic Delta T-ad (T, h(t)) adiabatic change of temperature), the dynamic specific heat, the dynamic entropy and as well as the dynamic relative cooling power (RCP(t)) ferrimagnetic MNG are studied. Our predicted results may be a reference for future experiment and theoretical studies of the nanostructures.

Place, publisher, year, edition, pages
2019. Vol. 105, p. 139-145
Keywords [en]
Quantum Monte Carlo, Multilayer nanographene, Magnetocaloric effect
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-374109DOI: 10.1016/j.physe.2018.09.008ISI: 000454899600018OAI: oai:DiVA.org:uu-374109DiVA, id: diva2:1281031
Funder
Swedish Research Council, dnr-348-2011-7264Available from: 2019-01-21 Created: 2019-01-21 Last updated: 2019-01-21Bibliographically approved

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Ainane, AbdelmajidAhuja, Rajeev

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