Magnetic Coulomb Phase in the Spin Ice Ho 2 Ti 2 O 7-Reference-Cited by-同舟云学术

Magnetic Coulomb Phase in the Spin Ice Ho 2 Ti 2 O 7

Published:2009-10-16 Issue:5951 Volume:326 Page:415-417
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Fennell T.¹,Deen P. P.¹,Wildes A. R.¹,Schmalzl K.²,Prabhakaran D.³,Boothroyd A. T.³,Aldus R. J.⁴,McMorrow D. F.⁴,Bramwell S. T.⁴

Affiliation:

1. Institut Laue-Langevin, Grenoble 38042, France.

2. Institut für Festkörperforschung, Forschungszentrum Juelich GmbH, Jülich Centre for Neutron Science at Institut Laue-Langevin, Grenoble 38042, France.

3. Clarendon Laboratory, Oxford Physics, Parks Road, Oxford OX1 3PU, UK.

4. London Centre for Nanotechnology and Department of Physics and Astronomy, University College London, London WC1H 0AH, UK.

Abstract

Magnetic Monopoles Magnets come with a north and a south pole. Despite being predicted to exist, searches in astronomy and in high-energy particle physics experiments for magnetic monopoles (either north or south on their own) have defied observation. Theoretical work in condensed-matter systems has predicted that spin-ice structures may harbor such elusive particles (see the Perspective by

Gingras

). Fennell et al. (p. 415 , published online 3 September) and Morris et al. (p. 411 , published online 3 September) used polarized neutron scattering to probe the spin structure forming in two spin-ice compounds—Ho 2 Ti 2 O 7 and Dy 2 Ti 2 O 7 —and present results in support of the presence of magnetic monopoles in both materials.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference26 articles.

1. Geometrical Frustration in the Ferromagnetic PyrochloreHo2Ti2O7

2. Zero-point entropy in ‘spin ice’

3. Spin Ice State in Frustrated Magnetic Pyrochlore Materials

4. Insulating spin glasses

5. H. T. Diep Frustrated Spin Systems (World Scientific Singapore 2004).

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