NMR and Neutron Scattering Studies of Quasi One-Dimensional Magnet CuV_2O_6

Abstract

Magnetic properties of a quasi one-dimensional magnet CuV_2O_6 have been studied by means of susceptibility measurement, NMR and powder neutron diffraction. Cu^{2+} spins (S=1/2) order antiferromagnetically below 22.6 K, and the saturation moment is about 0.70 μ_{B} at 0 K. The magnetic structure determined in the present study indicates that in CuV_2O_6 one-dimensional antiferromagnetic spin chains are along [110], suggesting a dominant antiferromagnetic exchange interaction between the next-nearest-neighbor spins rather than the nearest-neighbor ones.

9 pages, 12 embedded eps figures uses JPSJ.sty, accepted for publication in J. Phys. Soc. Jpn

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