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VOLUME 76 (2002) | ISSUE 1 | PAGE 35
Long range and short range magnetic order in new compound NaVGe2O6
PACS: 65.40.-b, 75.50.-y
Abstract
The new metaloxide pyroxene compound NaVGe2O6 containing isolated edge-sharing VO6 (S = 1) chains undergoes a transition into a long range antiferromagnetic state at TN = 16 K. The broad maximum in the temperature dependence of magnetic susceptibility at TM = 26 K indicates the low-dimensional character of magnetic subsystem. Even though the antiferromagnetic ordering is accompanied by a sharp peak of specific heat, significant magnetic entropy is released above the Neel temperature.