Experimental studies of frustrated pyrochlore antiferromagnets

Bruce D. Gaulin, Jason S. Gardner

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations

Abstract

Much recent experimental progress has been made in the study of magnetic materials made up of antiferromagnetically-coupled magnetic moments residing on networks of corner-sharing tetrahedra. Such networks of magnetic moments display phenomena known broadly as geometric frustration. They are found in nature in a variety of cubic pyrochlore, spinel and Laves phase materials, with the magnetic moments arising from either rare earth or transition metal electrons. Typically, the rare earth moments are relatively large and are only weakly coupled by exchange, such that the competition between antiferromagnetic exchange and dipolar interactions is important. Antiferromagnetic exchange interactions are stronger in transition metal-based materials, and the manifestation of geometrical frustration is different. This review focusses on experimental progress in this area from the last ten years primarily due to neutron scattering studies.

Original languageEnglish
Title of host publicationFrustrated Spin Systems
PublisherWorld Scientific Publishing Co.
Pages457-489
Number of pages33
ISBN (Electronic)9789812567819
ISBN (Print)9812560912, 9789812560919
DOIs
StatePublished - Jan 1 2005
Externally publishedYes

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