Kronig-Penney-Ising picture of colossal magnetoresistance

Vandewalle, Nicolas; Ausloos, Marcel; Cloots, Rudi

doi:10.1103/PhysRevB.59.11909

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Kronig-Penney-Ising picture of colossal magnetoresistance

Vandewalle, Nicolas; Ausloos, Marcel; Cloots, Rudi

1999 • In Physical Review. B, Condensed Matter, 59 (18), p. 11909-11913

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https://hdl.handle.net/2268/18018

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10.1103/PhysRevB.59.11909

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Abstract :

[en] From general arguments, it is shown that a magnetic Kronig-Penney model based on the thermodynamics of an Ising model can be used for describing the colossal magnetoresistance (CMR) phenomenon. The model considers a tunneling like transmission process of hopping electrons through a dynamic lattice characterized by evolving magnetic clusters. In this model, correlations between the magnetic states are considered to be more relevant than the lattice strain effects for obtaining the CMR features. Physical arguments lead to the theoretical description of the intrinsic temperature and field dependences of the CMR observed in typical manganite materials.

Disciplines :

Physics

Author, co-author :

Vandewalle, Nicolas ; Université de Liège - ULiège > Département de physique > Physique statistique

Ausloos, Marcel ; Université de Liège - ULiège > Département de physique > Physique statistique appliquée et des matériaux - S.U.P.R.A.S.

Cloots, Rudi ; Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale - Doyen de la Faculté des Sciences

Language :

English

Title :

Kronig-Penney-Ising picture of colossal magnetoresistance

Publication date :

01 May 1999

Journal title :

Physical Review. B, Condensed Matter

ISSN :

0163-1829

eISSN :

1095-3795

Publisher :

American Institute of Physics, New York, United States - New York

Volume :

Issue :

Pages :

11909-11913

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 07 August 2009

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