Spin-Peierls transition with strong structural fluctuations in the vanadium oxide VOSb₂O₄
Pashchenko, V. A. · Sulpice, A. · Mila, F. · Millet, P. · Stepanov, A. · Wyder, P.
Original · EN
We report on the magnetic susceptibility and electron spin resonance measurements on polycrystalline samples of the vanadium oxide VOSb₂O₄, a quasi-one dimensional S=1/2 Heisenberg system. We show that the susceptibility vanishes at zero temperature, as in a gapped system, and we argue that this is due to a spin-Peierls transition with strong structural fluctuations.
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