Glassy formation ability, magnetic properties and magnetocaloric effect in Al27Cu18Er55 amorphous ribbon

作者：Li, Lingwei^*; Xu, Chi; Yuan, Ye; Zhou, Shengqiang

来源：Journal of Magnetism and Magnetic Materials, 2018, 454: 121-124.

DOI：10.1016/j.jmmm.2018.01.073

• Al27Cu18Er55 amorphous ribbon
• Magnetocaloric effect
• Magnetic properties
• Magnetic refrigeration

In this work, we have fabricated the Al27Cu18Er55 amorphous ribbon with good glassy formation ability by melt-spinning technology. A broad paramagnetic (PM) to ferromagnetic (FM) transition (second ordered) together with a large reversible magnetocaloric effect (MCE) in Al27Cu18Er55 amorphous ribbon was observed around the Curie temperature T-C similar to 11 K. Under the magnetic field change (Delta H of 0-7 T, the values of MCE parameter of the maximum magnetic entropy change (-Delta S-M(max)) and refrigerant capacity (RC) for Al27Cu18Er55 amorphous ribbon reach 21.4 J/kg K and 599 J/kg, respectively. The outstanding glass forming ability as well as the excellent magneto-caloric properties indicate that Al27Cu18Er55 amorphous could be a good candidate for low temperature magnetic refrigeration.

• 出版日期2018-5-15
• 单位杭州电子科技大学; 东北大学