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Field induced long-range-ordering in an S=1 quasi-one-dimensional Heisenberg antiferromagnet

Z. Honda, K. Katsumata, Y. Nishiyama, I. Harada

cond-mat.mtrl-sciarXiv:cond-mat/0006295

Abstract

We have measured the heat capacity and magnetization of the spin one one-dimensional Heisenberg antiferromagnet NDMAP and constructed a magnetic field versus temperature phase diagram. We found a field induced long-range magnetic ordering. We have been successful in explaining the phase diagram theoretically.

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