Magnetic Properties of Rapidly Quenched Pseudoternary Pr2Fe14C Alloy Ribbons

We investigated the magnetic properties of melt-spun Pr
2
Fe
14
C and several pseudoternary compounds of the types Pr
2
(Fe,M)
14
C and (Pr, R)
2
Fe
¹⁴
C. A value for iH
c
of approximately 1.3 kOe was obtained in Pr
2
Fe
13
MnC alloy ribbons. Heavy rare earth substitution leads to an increase in the room temperature intrinsic coercivity. Values for iH
c
of 3 kOe and 6 kOe were achieved for (Pr
0.6
Gd
0.4
)
2
Fe
14
C and (Pr
0.6
Dy
0.4
)
2
Fe
14
C alloy ribbons respectively, and the composition Pr
7.9
Dy
5.2
Fe
79.7
C
7.2
was found to have a large intrinsic coercivity of 18 kOe.