Magnetic properties of the antiferromagnetic spin-1/2 chain system $β$-TeVO$_{4}$

Details Magnetic properties of the antiferromagnetic spin-1/2 chain system $β$-TeVO$_{4}$ Magnetic properties of the antiferromagnetic spin-1/2 chain system $β$-TeVO$_{4}$

2011-09-16

arxiv.org/abs/1109.3564v1

Physics

Condensed Matter

Strongly Correlated Electrons

Accepted for publication in Physical Review B

Scientific paper

The magnetic susceptibility and magnetization of high quality single crystal beta-TeVO4 are reported. We show that this compound, made of weakly coupled infinite chains of VO5 pyramids sharing corners, behaves as a S = 1/2 one-dimensional Heisenberg antiferromagnet. From magnetic experiments we deduce the intrachain antiferromagnetic coupling constant J/kB = 21.4 $\pm$ 0.2 K. Below 5 K a series of three phase transitions at 2.26, 3.28 and 4.65 K is observed.

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