Preternatural Hexagonal High-Entropy Alloys: A Review

Rui-Xuan Li, Jun-Wei Qiao, Peter K. Liaw, Yong Zhang

Table 1 A collection of magnetocalorific HEAs with different structures in recent years

Alloy Structure Applied field $\left| {{\Delta }S_{{\text{M}}} } \right|$ (J/kg/K) RC (J/kg) References FeCoNi1.5Cr0.5Al BCC 70 kOe 0.674 242.6 [50] Fe26.7Ni26.7Ga15.6Mn20Si11 BCC 2 T 1.59 75.86 [51] Fe25Co25Ni25Mo5P10B10 BMG 5 T 1.88 310.2 [52] Gd20Ho20Er20Al20Co20 BMG 5 T 10.2 625 [53] Gd20Tb20Dy20Al20Co20 BMG 5 T 9.43 632 [54] Gd25Ho25Co25Al25 BMG 5 T 9.78 626 [55] Dy20Er20Gd20Ho20Tb20 HCP 5 T 8.6 627 [49]