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Investigation of a core/shell Ising nanoparticle: Thermal and magnetic properties

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Essaoudi,  Ismail
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Ainane,  Abdelmajid
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Bouhou, S., Essaoudi, I., Ainane, A., & Ahuja, R. (2016). Investigation of a core/shell Ising nanoparticle: Thermal and magnetic properties. Physica B-Condensed Matter, 481, 124-132. doi:10.1016/j.physb.2015.10.033.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-B69D-8
Abstract
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. (C) 2015 Elsevier B.V. All rights reserved.