Table 1 Experimental data for single crystalline samples of Ho1-xDyxB4 and other materials with inverse MCE.

From: Quadrupolar ordering and exotic magnetocaloric effect in RB4 (R = Dy, Ho)

 

TN2 (K)

TN1 (K)

TN1 - TN2 (K)

SM (J/kgK)

Hmax (kOe)

DyB4

13

20.1

7.1

19.6

≈50

Dy0.5Ho0.5B4

9.5

13.8

4.3

19.0

40

HoB4

5.5

7.5

2

22.72

25

Ni40.6Mn43.3Sn10.0Co6.1

TM = 308

TA = 323

29.5

50

La0.125Ca0.875MnO3

125

≈6.1

50

LaFe12B6

36

19

70

  1. TN2: quadrupolar ordering temperature, TN1: antiferromagnetic transition temperature, TM: martensite transition temperature, TA: austenite transition temperature ΔSM: maximum entropy change, and Hmax: field for maximum magnetic entropy change.