Abstract

Magnetic properties of single-phase Pr 0.1Tb 0.3Dy 0.6Fe 2− x Mn x alloys have been investigated using X-ray diffraction, A.C. susceptibility, Vibrating Sample Magnetometer and standard strain gauge techniques. The lattice parameter increases and Curie temperature decreases with increasing Mn content. The magnetostriction of Pr 0.1Tb 0.3Dy 0.6Fe 2− x Mn x alloys exhibits the maximum value at x = 0.10 in applied magnetic field. The magnetostriction of Pr 0.1Tb 0.3Dy 0.6Fe 1.9Mn 0.1 alloy was measured under compressive stress up to 31 MPa. The experimental results indicate the Pr 0.1Tb 0.3Dy 0.6Fe 1.9Mn 0.1 alloy shows good magnetostrictive properties in low magnetic fields under the compressive stress of 2–16 MPa.

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