J Kikuchi et al 2004 J. Phys.: Condens. Matter 16 L167 doi:10.1088/0953-8984/16/12/L02
J Kikuchi1,3, K Motoya1, T Saito2, M Azuma2 and M Takano2
Show affiliationsLocal-susceptibility measurements via the NMR shifts of 31P and 51V nuclei in the high-pressure phase of (V O)2P2O7 confirmed the existence of a unique alternating antiferromagnetic chain with a zero-field spin gap of 34 K. The 31P nuclear spin–lattice relaxation rate scales with the uniform spin susceptibility below about 15 K, which shows that the temperature dependences of both the static and dynamical spin susceptibilities become identical at temperatures not far below the spin-gap energy.
Issue 12 (31 March 2004)
Received 22 January 2004
Published 12 March 2004
J Kikuchi et al 2004 J. Phys.: Condens. Matter 16 L167
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