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. https://resolver.caltech.edu/CaltechAUTHORS:20140915-122713242
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Abstract
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 | |||||||||
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| 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. | |||||||||
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| Subject Keywords: | C. Neutron scattering | |||||||||
| Issue or Number: | 12 | |||||||||
| DOI: | 10.1016/j.jpcs.2008.06.124 | |||||||||
| Record Number: | CaltechAUTHORS:20140915-122713242 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140915-122713242 | |||||||||
| 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, http://dx.doi.org/10.1016/j.jpcs.2008.06.124. (http://www.sciencedirect.com/science/article/pii/S0022369708002680) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 49708 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 15 Sep 2014 19:54 | |||||||||
| Last Modified: | 10 Nov 2021 18:47 |
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