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Optical Properties of a Quantum Spin Liquid Candidate Material, κ-(BEDT-TTF)2Ag2(CN)3

Physical Society of Japan

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Most cited references25

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VESTA 3for three-dimensional visualization of crystal, volumetric and morphology data

(2011)
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Spin Liquid State in an Organic Mott Insulator with Triangular Lattice

(2003)
$$^{1}$$H NMR and static susceptibility measurements have been performed in an organic Mott insulator with nearly isotropic triangular lattice, $$\kappa$$-(BEDT-TTF)$$_{2}$$Cu$$_{2}$$(CN)$$_{3}$$, which is a model system of frustrated quantum spins. The static susceptibility is described by the spin $$S$$ = 1/2 antiferromagnetic triangular-lattice Heisenberg model with the exchange constant $$J$$ $$\sim$$ 250 K. Regardless of the large magnetic interactions, the $$^{1}$$H NMR spectra show no indication of long-range magnetic ordering down to 32 mK, which is four-orders of magnitude smaller than $$J$$. These results suggest that a quantum spin liquid state is realized in the close proximity of the superconducting state appearing under pressure.
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Quantum spin liquid in the spin-1∕2triangular antiferromagnetEtMe3Sb[Pd(dmit)2]2

(2008)
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Author and article information

Affiliations
[1 ]Department of Applied Physics, Nagoya University, Nagoya 464-8603, Japan
[2 ]Faculty of Agriculture, Meijo University, Nagoya 468-8502, Japan
[3 ]Toyota Physical and Chemical Research Institute, Nagakute, Aichi 480-1192, Japan
Journal
Journal of the Physical Society of Japan
J. Phys. Soc. Jpn.
Physical Society of Japan
0031-9015
1347-4073
January 15 2017
January 15 2017
: 86
: 1
: 014710
10.7566/JPSJ.86.014710