LiNiO 2 has been pointed out as a candidate for the model substance of S =1/2 triangular antiferromagnet with Ising-like interaction whose ground state would be a spin quantum liquid as proposed by Fazekas and Anderson. In order to see the nature of the excitation spectrum, a pulse neutron scattering study was performed, and a strong inelastic diffuse scattering has been observed instead of the antiferromagnetic Bragg scattering.
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Hirakawa et al. (1990) studied this question.
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