Crystal field interaction in the pyrochlore magnet Ho{sub 2}Ti{sub 2}O{sub 7}.

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Neutron time-of-flight spectroscopy has been employed to study the crystal field interaction in the pyrochlore titanate Ho{sub 2}Ti{sub 2}O{sub 7}. The crystal field parameters and corresponding energy level scheme have been determined from a profile fit to the observed neutron spectra. The groundstate is a well separated E{sub g} doublet with a strong Ising like anisotropy, which can give rise to titration in the pyrochlore lattice. Using the crystal field parameters determined for the Ho compound as an estimate of the crystal field interaction in other pyrochlore magnets, we also find the Ising type behavior for Dy. In contrast, the ... continued below

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6 p.

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Rosenkranz, S.; Ramirez, A. P.; Hayashi, A.; Cava, R. J.; Siddharthan, R. & Shastry, B. S. September 30, 1999.

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Neutron time-of-flight spectroscopy has been employed to study the crystal field interaction in the pyrochlore titanate Ho{sub 2}Ti{sub 2}O{sub 7}. The crystal field parameters and corresponding energy level scheme have been determined from a profile fit to the observed neutron spectra. The groundstate is a well separated E{sub g} doublet with a strong Ising like anisotropy, which can give rise to titration in the pyrochlore lattice. Using the crystal field parameters determined for the Ho compound as an estimate of the crystal field interaction in other pyrochlore magnets, we also find the Ising type behavior for Dy. In contrast, the almost planar like anisotropy found for Er and Yb prevents frustration, because of the continuous range of possible spin orientations in this case.

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6 p.

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INIS; OSTI as DE00750480

Medium: P; Size: 6 pages

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  • 44th Annual Conference on Magnetism and Magnetic Materials, San Jose, CA (US), 11/15/1999--11/18/1999

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  • Report No.: ANL/MSD/CP-99487
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 750480
  • Archival Resource Key: ark:/67531/metadc711960

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  • September 30, 1999

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2017, 12:58 p.m.

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Rosenkranz, S.; Ramirez, A. P.; Hayashi, A.; Cava, R. J.; Siddharthan, R. & Shastry, B. S. Crystal field interaction in the pyrochlore magnet Ho{sub 2}Ti{sub 2}O{sub 7}., article, September 30, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc711960/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.