Sample

I_D/I_G

I_2D/I_G

FWHM_D (cm⁻¹)

FWHM_G (cm⁻¹)

FWHM_2D (cm⁻¹)

Ni/MgO_1

0.70 ± 0.1

0.20 ± 0.05

80 ± 5

45 ± 5

115 ± 15

Ni/MgO_2

0.80 ± 0.1

0.20 ± 0.1

75 ± 10

60 ± 5

100 ± 15

Ni/MgO_3

0.40 ± 0.1

0.30 ± 0.1

80 ± 10

40 ± 5

105 ± 10

Ni/MgO_4

0.35 ± 0.1

0.45 ± 0.1

70 ± 10

40 ± 5

100 ± 10

Ni/MgO_5

0.75 ± 0.1

0.20 ± 0.1

80 ± 10

70 ± 10

100 ± 10

Ni/MgO_6

0.12 ± 0.1

0.90 ± 0.1

55 ± 10

30 ± 5

80 ± 10