Table 3 Total and local magnetic moments in μ B /f.u. and the calculated spin polarization P of CoX′MnSi systems.

From: New quaternary half-metallic ferromagnets with large Curie temperatures

Systems (TI)

N ν

M

M Co

M Mn

M X

M Si

P (%)

CoYMnSi

23

4.55

1.20

3.37

−0.09

0.00

46

CoZrMnSi

24

0.00

0.00

0.00

0.00

0.00

0

CoNbMnSi

25

0.99

0.71

0.30

0.00

0.00

96

Systems (T II )

N ν

M

M Co

M X

M Mn

M Si

P (%)

CoMoMnSi

26

2.33

0.68

−0.58

2.27

−0.01

31

CoTcMnSi

27

3.00

0.67

−0.34

2.60

0.02

100

CoRuMnSi

28

4.00

0.92

0.13

2.94

−0.01

97

CoRhMnSi

29

5.00

1.21

0.43

3.33

−0.02

100

CoPdMnSi

30

4.90

1.11

0.21

3.47

−0.01

58

Systems (T I )

N ν

M

M Co

M Mn

M X

M Si

P (%)

CoAgMnSi

31

3.53

0.49

3.08

0.02

0.08

14

  1. N ν is the number of valence electrons of the systems. M is the total magnetization.