Magnetic Anisotropy in the c-Plane of Fe2As

Abstract
The direction of magnetic moment and the magnetic anisotropy energy of Fe 2 As in the c -plane were determined from measurements of magnetic anisotropy and field dependence of magnetizations on a single crystal disk of Fe 2 As at liquid nitrogen temperature. The magnetic moment is in the direction. The magnetic anisotropy energy is estimated at 7×10 2 erg/g from the saturation of torque amplitude.

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