IV-U-2 Inducing a Magnetic Ordering in the Haldane Material Ni(C5H14N2)2N3(ClO4) by Magnetic Field

Zentaro HONDA, Koichi KATSUMATA (RIKEN), Tachi OHISHI, Toshio MANABE (Nagoya Univ.) and Masahiro YAMASHITA (Nagoya Univ. and IMS)

[J. Phys. Condens. Matter 9, L83 (1997)]

From a heat capacity measurement in high magnetic fields and low temperatures, we have obtained evidence for a magnetic ordering in the S =1 quasi-one dimensional Heisenberg antiferromagnet Ni(C5H14N2)2N3(ClO4). The transition temperature is ~0.6 K at 12 T parallel to the chain axis.


back to CONTENTS of Research Activities IV