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Publication
Physical Review B
Paper
Static properties of the S=1 one-dimensional antiferromagnet AgVP2S6
Abstract
NMR frequency shift has been measured at V51 and P31 sites in a single crystal of the one-dimensional spin-1 antiferromagnet AgVP2S6. Parameters in the single-ion spin Hamiltonian were determined from the orbital (van Vleck) shift at V sites. Temperature dependence of the spin shift (spin susceptibility) is consistent with the theoretical prediction and the magnitude of the Haldane gap determined from neutron-scattering experiments. © 1995 The American Physical Society.