SLG-Ni Distance: 2.068 Angstrom
Binding energy: -0.121eV
Lattice mismatch: 1.2%
Ni lattice parameter: 3.515 Angstrom
Asymmetric Rashba splittings, only the higher value is given below  (eVAngstrom):
(1) 0.920, 1.683
(2) 1.511, 0.825