Magnetocaloric effectMagnetic refrigerationCritical exponent analysisWe report on the structural, magnetic, and magnetocaloric properties and critical behavior of high-quality amorphous melt-extracted Gd-50(Co69.25Fe4.25Si13B13.5)(50) alloy microwires with an average diameter of 42 mu m. The microwires...
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In the present work, we studied the effect of minor Si addition on the magneto-caloric effect (MCE) of the Gd_(50)Co_(50) metallic glass. The Gd_(50)Co_(50-x)Si_x (x=2, 5) as-spun ribbons show typical amorphous characteristics in structure and magneto-caloric...
We report on the structural, magnetic, and magnetocaloric properties and critical behavior of high-quality amorphous melt-extracted Gd 50 (Co 69.25 Fe 4.25 Si 13 B 13.5) 50 alloy microwires with an average diameter of 42 μm. The microwires undergo a second-order paramagnetic to ferromagnetic...
While the RC is similar to those of our previously reported GdAlCo microwires, a much broader working temperature range of 126K and a higher Curie temperature of 170K make the Gd 50 (Co 69.25 Fe 4.25 Si 13 B 13.5 ) 50 microwires more attractive for active magnetic refrigeration....
Enhanced Curie temperature and cooling efficiency in melt-extracted Gd-50(Co69.25Fe4.25Si13B13.5)(50) microwiresMelt-extractionMicrowireMagnetocaloric effectMagnetic refrigerationWe report enhancements of both Curie temperature and magnetic refrigerant capacity in Gd-50(Co69.25Fe4.25Si13B13.5)(50) microwire...
Magneto-caloric effectCurie temperatureMicro-alloying•Minor Si addition enhances the −ΔSmpeakbut decreases theTcof the Gd50Co50metallic glass significantly.•The Gd50Co50−xSix(x=2, 5) as-spun ribbons exhibit typical magneto-caloric behaviors of soft magnetic metallic glasses.•A nearly...