Table 2.

Comparison of grain sizes of NCG with the corresponding GFs.

Grain size (nm)	Gauge factor (GF)	Strain range (%)	Reference
25	11	0 to 1	[24]
8	600	0 to 1	[24]
9	50–250	0 to 1	[33]
2–5	23	0 to 0.1	[19]
2–5	24–140	0 to 2	this work