1997/12/12 by A. V. Prokofiev, A.V. Prokofiev, F. Büllesfeld +5 · 1 citation
Chemical Engineering · Materials Science · Physics and Astronomy · #Catalysis and Oxidation Reactions #Chemical and Physical Properties of Materials #Transition Metal Oxide Nanomaterials #cond-mat
paper · pdf · doi:10.1007/s100510050448
7 pages, REVTEX, 7 figures
arxiv created 1997/12/12 · openalex publication_date 1998/10/01 · arxiv updated 2009/11/30 · openalex created_date 2020/11/23 · openalex updated_date 2026/07/28
Experimental results on magnetic resonance (ESR) and magnetic susceptibility are given for single crystalline (VO)2P2O7. The crystal growth procedure is briefly discussed. The susceptibility is interpreted numerically using a model with alternating spin chains. We determine J=51 K and δ=0.2. Furthermore we find a spin gap of ≈ 6meV from our ESR measurements. Using elastic constants no indication of a phase transition forcing the dimerization is seen below 300 K.