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Exchange interactions in the intermetallic compounds GdCo<inf>4-x</inf>Ni<inf>x</inf>Al

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dc.contributor.authorJ. Prasongkiten_US
dc.contributor.authorI. M. Tangen_US
dc.contributor.otherMahidol Universityen_US
dc.date.accessioned2018-07-24T03:58:02Z
dc.date.available2018-07-24T03:58:02Z
dc.date.issued2004-12-01en_US
dc.description.abstractThe two sub-lattice model is modified to take into account the presence of two types of transition metal ions in GdCo4-xNixAl. An expression for magnetization is obtained and is used to fit the experimental results of Burzo and Pop (J. Magn. Magn. Mater. 196-97 (1999) 768)). From the values of the molecular field coefficients nij(i,j=Gd, Co or Ni), the values of the exchange interactions JGdGd,JGdCo,JGdNi,JCoCo,JCoNi,and JNiNi,were found. It is seen that three of them, JGdGd,JNiNi,and JGdNi,exhibit clear exponential decreases as the Ni content increases; one of them, JCoCo,exhibits a clear exponential increase. The other two exchange interactions, JGdCoappear to exhibit a parabolic (inverted parabolic) dependence on the Ni content. © 2004 Elsevier B.V. All rights reserved.en_US
dc.identifier.citationJournal of Magnetism and Magnetic Materials. Vol.284, No.1-3 (2004), 376-382en_US
dc.identifier.doi10.1016/j.jmmm.2004.07.003en_US
dc.identifier.issn03048853en_US
dc.identifier.other2-s2.0-10044277259en_US
dc.identifier.urihttps://repository.li.mahidol.ac.th/handle/20.500.14594/21816
dc.rightsMahidol Universityen_US
dc.rights.holderSCOPUSen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=10044277259&origin=inwarden_US
dc.subjectPhysics and Astronomyen_US
dc.titleExchange interactions in the intermetallic compounds GdCo<inf>4-x</inf>Ni<inf>x</inf>Alen_US
dc.typeArticleen_US
dspace.entity.typePublication
mu.datasource.scopushttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=10044277259&origin=inwarden_US

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