Department of Physics and Astronomy: Publications and Other Research

 

Date of this Version

August 2000

Comments

Published in the Journal of Magnetism and Magnetic Materials. Available online August 14, 2000. Published February 1995, pages 1557-1558.

Abstract

Excess magnetization and anomalous susceptibility loss is observed on antiferromagnetic FeBr2 in an axial field H below and above its H-T-phase boundary between the multicritical temperature (Tm = 4.6 K) and the Néel temperature (TN = 14.1 K). These and other unusual properties of FeBr2 are attributed to frustration-induced intraplanar non-critical spin fluctuations, which can be simulated within the framework of a triaxial version of the 2D-ANNNI model.

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