Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8157800 | Journal of Magnetism and Magnetic Materials | 2013 | 4 Pages |
Abstract
Magnetization studies were carried out to characterize the magnetic properties of the Iron-rich metallic glasses (Fe1âxCrx)80Si6B14 with 0.02â¤xâ¤0.14. The Curie temperature TC diminishes almost linearly with the increase in the Cr-content from 401 K (x=0.10) to 291 K (x=0.14), while the saturation magnetization MS at T=5 K also undergoes a linear reduction from 169 Am2 kgâ1 (x=0.02) to 87 Am2 kgâ1 (x=0.14). These results suggest that the system should become paramagnetic for xâ0.22. The magneto-caloric properties of samples with TC near room temperature, i.e., with x=0.12 and 0.14, were investigated up to a maximum magnetic field change of 8 T. Both ribbons are characterized by a very broad temperature dependence of the magnetic entropy change ÎSM(T) and moderate peak values of 2.9 Jkgâ1 Kâ1 and 2.6 Jkgâ1 Kâ1, respectively.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
Pablo Álvarez-Alonso, J.D. Santos, MarÃa J. Pérez, C.F. Sánchez-Valdes, J.L. Sánchez Llamazares, Pedro Gorria,