Abstract
The electronic and magnetic properties ofFeBr2 have been studied in the framework of the local spin-density approximation (LSDA).In order to improve the intrinsic deficiency of the LSDA in describing orbitalmagnetism, two different orbital polarization corrections have been applied to Feions. The spin and orbital magnetic moments on the Fe and Br sites have beenevaluated using the fully relativistic version of the full-potential local orbitalsminimum basis method and the full-potential linearized augmented plane-wave+ local orbitals method. We found a partially quenched orbital moment on the Fe ion and asmall spin moment on the p states of the Br ion.
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