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Local magnetism and spin correlations in the geometrically frustrated cluster magnet LiZn2Mo3O8

Sheckelton, J.P.; Foronda, F.R.; Pan, L.D.; Moir, C.; McDonald, R.D.; Lancaster, T.; Baker, P.J.; Armitage, N.P.; Imai, T.; Blundell, S.J.; McQueen, T.M.

Local magnetism and spin correlations in the geometrically frustrated cluster magnet LiZn2Mo3O8 Thumbnail


Authors

J.P. Sheckelton

F.R. Foronda

L.D. Pan

C. Moir

R.D. McDonald

P.J. Baker

N.P. Armitage

T. Imai

S.J. Blundell

T.M. McQueen



Abstract

LiZn2Mo3O8 has been proposed to contain S=½Mo3O13 magnetic clusters arranged on a triangular lattice with antiferromagnetic nearest-neighbor interactions. Here, microwave and terahertz electron spin resonance, Li7 nuclear magnetic resonance, and muon spin rotation spectroscopies are used to characterize the local magnetic properties of LiZn2Mo3O8. These results show the magnetism in LiZn2Mo3O8 arises from a single isotropic S=½electron per cluster and that there is no static long-range magnetic ordering down to T = 0.07 K. Further, there is evidence of gapless spin excitations with spin fluctuations slowing down as the temperature is lowered. These data indicate strong spin correlations, which, together with previous data, suggest a low-temperature resonating valence-bond state in LiZn2Mo3O8.

Citation

Sheckelton, J., Foronda, F., Pan, L., Moir, C., McDonald, R., Lancaster, T., …McQueen, T. (2014). Local magnetism and spin correlations in the geometrically frustrated cluster magnet LiZn2Mo3O8. Physical review B, 89(6), Article 064407. https://doi.org/10.1103/physrevb.89.064407

Journal Article Type Article
Acceptance Date Jan 22, 2014
Online Publication Date Feb 11, 2014
Publication Date Feb 11, 2014
Deposit Date May 2, 2014
Publicly Available Date Mar 29, 2024
Journal Physical Review B
Print ISSN 1098-0121
Electronic ISSN 1550-235X
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 89
Issue 6
Article Number 064407
DOI https://doi.org/10.1103/physrevb.89.064407

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Copyright Statement
Reprinted with permission from the American Physical Society: J. P. Sheckelton, F. R. Foronda, LiDong Pan, C. Moir, R. D. McDonald, T. Lancaster, P. J. Baker, N. P. Armitage, T. Imai, S. J. Blundell, and T. M. McQueen, Physical Review B, 89, 064407, 2014. © 2014 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.





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