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Spin ice and other frustrated magnets on the pyrochlore lattice

Shastry, B Sriram (2003) Spin ice and other frustrated magnets on the pyrochlore lattice. In: Physica B: Condensed Matter, 329-33 (2). pp. 1024-1027.

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Official URL: http://arxiv.org/abs/cond-mat/0210230

Abstract

The recent identification of the dysprosium titanate compound Dy2Ti2O7 as a "Spin ice", i.e. the spin analog of regular entropic ice of Pauling, has created considerable excitement. The ability to manipulate spins using magnetic fields gives a unique advantage over regular ice in these systems, and has been used to study the recovery of entropy. Predicted magnetization plateaus have been observed, testing the underlying model consisting of a competition between short-ranged super exchange, and long-ranged dipolar interactions between spins. I discuss other compounds that are possibly spin ice like: Ho2Ti2O7, and the two stannates Ho2Sn2O7, Dy2Sn2O7.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: spin ice;zero-point entropy;ice rule;DTO.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 05 Nov 2009 07:38
Last Modified: 19 Sep 2010 04:56
URI: http://eprints.iisc.ernet.in/id/eprint/17365

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