Magnetic correlations in pyrochlore spin ice as probed by polarized neutron scattering

L. J. Chang, Y. Su, H. Schneider, R. Mittal, M. R. Lees, G. Balakrishan, Th Brückel

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3 Citations (Scopus)

Abstract

Polarized neutron diffuse scattering experiments have been carried out on (1-10) and (111) oriented single crystals of the pyrochlore spin ice [1] compound Ho2Ti2O7 in order to investigate the complex spin correlations in this material at low temperature. The incident neutron beam was polarized perpendicular to the horizontal scattering plane. Thus, the corresponding components of the spin correlations in and out of the scattering plane can be probed with spin-flip (SF) and non-spin-flip (NSF) scattering respectively via neutron polarization analysis. A strong anisotropy of the in-plane and out-of-plane spin scattering has been observed in both samples. The temperature dependence of magnetic diffuse scattering has also been measured. Here we concentrate on reporting the experimental results. In addition, a brief discussion of the possible nature of spin correlations in this pyrochlore spin ice will also be given.

Original languageEnglish
Article number012013
JournalJournal of Physics: Conference Series
Volume211
DOIs
Publication statusPublished - 2010

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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