Abstract
In this work, The magnetoelastic properties of polycrystalline samples of Tb3 (Fe28−xCox) V1.0 (x=0, 3, 6) intermetallic compounds are investigated by means of linear thermal expansion and magnetostriction measurements in the temperature range of 77–515K under applied magnetic fields up to 1.5T. The linear thermal expansion increases with the Co content. The well-defined anomalies observed in the linear thermal expansion coefficients for Tb3 (Fe28−xCox) V1.0 (x=0, 3, 6) compounds are associated with the magnetic ordering temperature for x=0 and spin reorientation temperatures for x=3, 6. Below transition temperatures, the value of the longitudinal magnetostriction (λPa) at 1.6T increases with Co content.
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