Iranian Journal of Physics Research

An example of complexity in magnetism: Complex magnetic structures in Rare-Earth intermetallics

Authors

J. C. Gómez Sal
J. I. Espeso Martínez
J. Rodríguez Fernández
N. Marcano Aguado
Abstract
 We present and compare the magnetic structures of limit compounds, between the ferromagnetism and antiferromagnetism in the pseudobinary compounds of type RNi/Pt/Cu, where R = Tb, Gd, Nd or Ce, appearing when we substitute the transition metal. All of them are examples of complex magnetic structures as the result of different magnetic interactions, inhomogeneities and disorder. This overview provides us a fruitful field of discussion considering the competition of magnetic interactions in a context of disorder. We discuss the similarities and differences between the structures and we conclude about the importance of the disorder in the existence of several phenomena in magnetism, which could lead to new insights in the stability of magnetic phases, as clusters glass or short range interactions in the mesoscopic scale.

Keywords

magnetic structures
neutron diffraction
magnetic interactions
Iranian Journal of Physics Research
Volume 8, Issue 2
Spring 2008
Pages 113-113

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