Table 1 Comparison of C6 coefficients fitted to AFM measurements and theoretical reference39.

From: Van der Waals interactions and the limits of isolated atom models at interfaces

Dimer

C6 (atomic units)

Ratio

 

AFM measured

Reference

 

Xe–Ar

341

135.0

2.5

Xe–Kr

662

192.9

3.4

Xe–Xe

1,267*

287.5

4.4

  1. AMF, atomic force microscopy.
  2. Note that the value for Xe–Xe, marked with an asterisk, does not correspond to the optimal fit.
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