Table 2 Wref, χ (Pauling scale), and ξ for material X

From: Experimental observation of the correlation between the interfacial Dzyaloshinskii–Moriya interaction and work function in metallic magnetic trilayers

X

Wref [eV]

χa [Pauling]

ξb [104 m−1]

References for Wref

Ti

3.67 ± 0.67

1.5

1.2

36, 42, 55

Cu

4.65 ± 0.20

1.9

8.6

36, 42, 43, 45, 51, 53

W

4.8 ± 0.45

2.4

24.3

36, 39–42, 45, 50

Ta

4.37 ± 0.31

1.5

19.7

36–39, 42, 45, 46

Al

4.23 ± 0.16

1.6

0.6

36, 39, 42, 43, 45, 47, 49, 56

Ru

4.85 ± 0.27

2.2

10.4

36, 42, 45

Pd

5.35 ± 0.29

2.2

15.0

36, 42, 44, 45, 48

Au

5.17 ± 0.30

2.5

51.0

36, 39, 42, 45, 49, 52, 55

Pt

5.68 ± 0.24

2.5

44.8

36, 42, 45

  1. The values and the error bars of Wref were calculated as the means and standard deviations of values from refs. 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56. The Wref of Co is 4.69 ± 0.27 eV.33,34,35,36,42 Superscripts a and b indicate relevant refs. 57,58, respectively.
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