Abstract
The low-temperature spin waves in the competing-anisotropy antiferromagnet K2CoxFe1-xF4 have been calculated for various concentrations in the range 0<x<1 by the method of computer simulation. These calculations show that there is not a soft mode at the phase boundary between the uniaxial and mixed phases and predict spin-wave dispersion relations and ground-state properties that are in better agreement with the available experimental data on K2CoxFe1-xF4 than calculations using an average-crystal approximation.
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Schedule a callMore From: Journal of physics. Condensed matter : an Institute of Physics journal
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