The calculated lattice constant of graphene and metal supercell (a_g, b_g and a_m, b_m), lattice strain of graphene (a% and b%), calculated average equilibrium interfacial distance (d_eq), binding energy (E_b) and the maximum buckling on the graphene layer are listed.

	g–Ni(111)	g–Co(111)	g–Cu(111)	g–Ni(110)	g–Co(110)	g–Cu(110)	g–Ni(100)	g–Co(100)	g–Cu(100)
a g (Å)	9.784	9.784	9.784	4.892	4.892	4.892	4.892	4.892	4.892
b g (Å)	9.784	9.784	9.784	16.947	16.947	16.947	16.947	16.947	12.710
a m (Å)	9.666	9.527	9.968	4.833	4.763	4.984	4.833	4.763	4.984
b m (Å)	9.666	9.527	9.968	17.086	16.841	17.621	16.915	16.672	12.460
a%	1.221	2.698	−1.846	1.221	2.698	−1.846	1.221	2.698	−1.846
b%	1.221	2.698	−1.846	−0.814	0.629	−3.825	0.189	1.649	2.006
d eq (Å)	2.016	1.976	3.004	2.004	2.028	2.257	2.165	2.209	2.734
d Ref (Å)	2.05a	2.05a	3.26a	2.03b	—	—	2.13b	—	—
E b (eV per C)	0.135	0.259	0.022	0.178	0.221	0.017	0.175	0.162	0.028
E Ref (eV per C)	0.125a	0.160a	0.033a	0.209b	—	—	0.180b	—	—
Buckling (Å)	0.0010	0.0102	0.0006	0.2016	0.3694	0.1192	1.0178	1.2743	0.8924
BucklingRef (Å)	0.00a	—	—	0.29b	—	—	0.69b	—	—

^a Ref. 28.

^b Ref. 43.