Table 2.

X-ray diffraction positions (2θ) and the interplanar spacing values (d hkl) of the ND sample (black color line).

2θ	d (Å)	(hkl)	Phase (microstructure)
43.58	2.068	(111)	Cubic nanodiamond
74.63	1.267	(220)	Cubic nanodiamond