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Quantum spin liquid in frustrated one-dimensional LiCuSbO 4

Author(s): Dutton, S. E.; Kumar, Manoranjan Sanjay; Mourigal, Martin; Soos, Zoltán G.; Wen, Jiajia; et al

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Abstract: A quantum magnet, LiCuSbO 4, with chains of edge-sharing spin-12 CuO 6 octahedra is reported. While short-range order is observed for T<10K, no zero-field phase transition or spin freezing occurs down to 100mK. Specific heat indicates a distinct high-field phase near the 12T saturation field. Neutron scattering shows incommensurate spin correlations with q=(0.47±0.01)π/a and places an upper limit of 70μeV on any spin gap. Exact diagonalization of 16-spin easy-plane spin-12 chains with competing ferro- and antiferromagnetic interactions (J 1=-75K, J 2=34K) accounts for the T>2K data. © 2012 American Physical Society.
Publication Date: May-2012
Electronic Publication Date: 3-May-2012
Citation: Dutton, S.E., Kumar, M., Mourigal, M., Soos, Z.G., Wen, J., Broholm, C.L., Andersen, N.H., Huang, Q., Zbiri, M., Toft-Petersen, R., Cava, R.J. (2012). Quantum Spin Liquid in Frustrated One-Dimensional. Physical Review Letters, 108 (18), 10.1103/PhysRevLett.108.187206
DOI: doi:10.1103/PhysRevLett.108.187206
ISSN: 0031-9007
EISSN: 1079-7114
Pages: 108.18:187206-1 - 187206-5
Type of Material: Journal Article
Journal/Proceeding Title: Physical Review Letters
Version: Final published version. This is an open access article.
Notes: Physical Review Letters. Volume 108, Issue 18, 3 May 2012, Article number 187206.

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