NMR characterization of spin-1/2 alternating antiferromagnetic chains in the high-pressure phase of (VO)2P2O7

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dc.creatorKikuchi, J.
dc.creatorMotoya, K.
dc.creatorSaito, T.
dc.creatorAzuma, M.
dc.creatorTakano, M.
dc.date2004-02-21
dc.date.accessioned2026-07-07T02:56:36Z
dc.date.available2026-07-07T02:56:36Z
dc.descriptionLocal-susceptibility measurements via the NMR shifts of $^{31}$P and $^{51}$V nuclei in the high-pressure phase of (VO)$_{2}$P$_{2}$O$_{7}$ confirmed the existence of a unique alternating antiferromagnetic chain with a zero-field spin gap of 34 K. The $^{31}$P nuclear spin-lattice relaxation rate scales with the uniform spin susceptibility below about 15 K which shows that the temperature dependence of both the static and dynamical spin susceptibilities becomes identical at temperatures not far below the spin-gap energy.
dc.description6 pages, 5 figures; To be published in J. Phys. Condens. Matter
dc.identifierhttps://arxiv.org/abs/cond-mat/0402540
dc.identifierhttp://arxiv.org/abs/cond-mat/0402540
dc.identifierJ. Phys.: Condens. Matter 16 (2004) L167-L172
dc.identifierdoi:10.1088/0953-8984/16/12/L02
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/23386
dc.subjectStrongly Correlated Electrons
dc.titleNMR characterization of spin-1/2 alternating antiferromagnetic chains in the high-pressure phase of (VO)2P2O7
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