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Modeling of the Magnetocaloric Effect in Heusler Ni-Mn-X (X = In, Sn, Sb) Alloys Using Antiferromagnetic Five-State Potts Model with Competing Interactions

Published online by Cambridge University Press:  24 March 2011

Vladimir V. Sokolovskiy ,
Vasiliy D. Buchelnikov ,
Konstantin I. Kostromitin ,
Sergey V. Taskaev  and
Peter Entel
Vladimir V. Sokolovskiy
Affiliation:
Chelyabinsk State University, Br. Kashirinykh str. 129, Chelyabinsk, 454001, Russia.
Vasiliy D. Buchelnikov
Affiliation:
Chelyabinsk State University, Br. Kashirinykh str. 129, Chelyabinsk, 454001, Russia.
Konstantin I. Kostromitin
Affiliation:
Chelyabinsk State University, Br. Kashirinykh str. 129, Chelyabinsk, 454001, Russia.
Sergey V. Taskaev
Affiliation:
Chelyabinsk State University, Br. Kashirinykh str. 129, Chelyabinsk, 454001, Russia.
Peter Entel
Affiliation:
University of Duisburg-Essen, Lotharstr. 65, Duisburg, 470848, Germany.
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Abstract

A simple theoretical five-state Potts model for the investigation of magnetocaloric effect in systems with competing ferromagnetic and antiferromagnetic interactions has been proposed. It is shown that this simple model can be applied to the description of the origin of the negative and positive magnetocaloric effect in systems with competing interactions, for example, Heusler alloys.

Keywords

magnetic propertiesalloysimulation
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1310: Symposium FF – Magnetocalorics and Magnetic Cooling , 2011 , mrsf10-1310-ff03-07
Copyright
Copyright © Materials Research Society 2011

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References

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