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Long-range antiferromagnetic ordering in Cu2NiB2O6

✍ Scribed by Zhangzhen He; Tôru Kyômen; Tomoyasu Taniyama; Mitsuru Itoh

Book ID
104029731
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
297 KB
Volume
179
Category
Article
ISSN
0022-4596

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✦ Synopsis

Magnetic properties of peculiar structural-type borate Cu 2 NiB 2 O 6 are investigated by means of ac susceptibility, dc magnetization, and heat capacity measurements. This material is isostructural to Cu 2 CoB 2 O 6 , of which the structural configuration is composed of quasi-one-dimensional six-columns ribbons. Our experimental results show that this material displays an antiferromagnetic phase transition at $15 K, which differs from Cu 2 CoB 2 O 6 showing spin-glass behavior below 5 K. The different magnetic ground states in these compounds may be attributed mainly to the subtle balance of the exchange energy in the scalene triangles.

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