Spin liquid state in the S=1/2 triangular lattice Ba3CuSb 2O9

H. D. Zhou; E. S. Choi; G. Li; L. Balicas; C. R. Wiebe; Y. Qiu; J. R.D. Copley; J. S. Gardner

doi:10.1103/PhysRevLett.106.147204

Spin liquid state in the S=1/2 triangular lattice Ba₃CuSb ₂O₉

H. D. Zhou, E. S. Choi, G. Li, L. Balicas, C. R. Wiebe, Y. Qiu, J. R.D. Copley, J. S. Gardner

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Abstract

The synthesis and characterization of Ba₃CuSb₂O ₉, which has a layered array of Cu2⁺ spins in a triangular lattice, are reported. The magnetic susceptibility and neutron scattering experiments of this material show no magnetic ordering down to 0.2K with a θ_CW=-55K. The magnetic specific heat reveals a T-linear dependence with a γ=43.4mJK^-2mol^-1 below 1.4K. These observations suggest that Ba₃CuSb₂O₉ is a new quantum spin liquid candidate with a S=1/2 triangular lattice.

Original language	English
Article number	147204
Journal	Physical Review Letters
Volume	106
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.106.147204
State	Published - Apr 6 2011
Externally published	Yes

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title = "Spin liquid state in the S=1/2 triangular lattice Ba3CuSb 2O9",

abstract = "The synthesis and characterization of Ba3CuSb2O 9, which has a layered array of Cu2+ spins in a triangular lattice, are reported. The magnetic susceptibility and neutron scattering experiments of this material show no magnetic ordering down to 0.2K with a θCW=-55K. The magnetic specific heat reveals a T-linear dependence with a γ=43.4mJK-2mol-1 below 1.4K. These observations suggest that Ba3CuSb2O9 is a new quantum spin liquid candidate with a S=1/2 triangular lattice.",

author = "Zhou, {H. D.} and Choi, {E. S.} and G. Li and L. Balicas and Wiebe, {C. R.} and Y. Qiu and Copley, {J. R.D.} and Gardner, {J. S.}",

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AU - Zhou, H. D.

AU - Choi, E. S.

AU - Li, G.

AU - Balicas, L.

AU - Wiebe, C. R.

AU - Qiu, Y.

AU - Copley, J. R.D.

AU - Gardner, J. S.

PY - 2011/4/6

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N2 - The synthesis and characterization of Ba3CuSb2O 9, which has a layered array of Cu2+ spins in a triangular lattice, are reported. The magnetic susceptibility and neutron scattering experiments of this material show no magnetic ordering down to 0.2K with a θCW=-55K. The magnetic specific heat reveals a T-linear dependence with a γ=43.4mJK-2mol-1 below 1.4K. These observations suggest that Ba3CuSb2O9 is a new quantum spin liquid candidate with a S=1/2 triangular lattice.

AB - The synthesis and characterization of Ba3CuSb2O 9, which has a layered array of Cu2+ spins in a triangular lattice, are reported. The magnetic susceptibility and neutron scattering experiments of this material show no magnetic ordering down to 0.2K with a θCW=-55K. The magnetic specific heat reveals a T-linear dependence with a γ=43.4mJK-2mol-1 below 1.4K. These observations suggest that Ba3CuSb2O9 is a new quantum spin liquid candidate with a S=1/2 triangular lattice.

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ER -

Spin liquid state in the S=1/2 triangular lattice Ba₃CuSb ₂O₉

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