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Magnetic excitations in triangular lattice NaCrO_2

Hsieh, D. and Qian, D. and Berger, R. F. and Cava, R. J. and Lynn, J. W. and Huang, Q. and Hasan, M. Z. (2008) Magnetic excitations in triangular lattice NaCrO_2. Journal of Physics and Chemistry of Solids, 69 (12). pp. 3174-3175. ISSN 0022-3697. doi:10.1016/j.jpcs.2008.06.124.

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We report the first inelastic neutron scattering measurements on the rhombohedrally stacked triangular antiferromagnet NaCrO_2 which has recently been shown via μSR and NMR measurements to exhibit an unusually broad fluctuating cross-over regime extending far below the onset of spin freezing at T_c. Our results show that strong spin fluctuations persist far below T_c and that dispersive spin wave excitations only appear near the cross-over temperature 0.75T_c.

Item Type:Article
Related URLs:
URLURL TypeDescription DOIArticle
Hsieh, D.0000-0002-0812-955X
Lynn, J. W.0000-0003-3626-4932
Alternate Title:Magnetic excitations in triangular lattice NaCrO2
Additional Information:© 2008 Elsevier Ltd. This work is supported by DOE DE-FG-02-05ER46200. R.J.C. acknowledges partial support through NSF-DMR-0213706, and acknowledges the support of the National Institute of Standards and Technology, US Department of Commerce, in providing the neutron research facilities used in this work.
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG-02-05ER46200
National Institute of Standards and Technology (NIST)UNSPECIFIED
Subject Keywords:C. Neutron scattering
Issue or Number:12
Record Number:CaltechAUTHORS:20140915-122713242
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Official Citation:D. Hsieh, D. Qian, R.F. Berger, R.J. Cava, J.W. Lynn, Q. Huang, M.Z. Hasan, Magnetic excitations in triangular lattice NaCrO2, Journal of Physics and Chemistry of Solids, Volume 69, Issue 12, December 2008, Pages 3174-3175, ISSN 0022-3697, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49708
Deposited By: Tony Diaz
Deposited On:15 Sep 2014 19:54
Last Modified:10 Nov 2021 18:47

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