Influence of Gas Sort on the Nucleation Region Width of Si Nanocrystal Grains Prepared by Pulsed Laser Ablation

Table 2

Results of experimental measurement and theoretical calculation in different gases.

Gas sort	Atomic mass 𝑚/(u)	Position of grains on substrates 𝑥/(mm)	Max mean size 𝑑/(nm)	Nucleation location of calculation 𝑥0/(mm)
He	4	10~61	8.4	3.6~59.8
Ne	20	4~36	6.5	2.4~34.9
Ar	40	5~45	6.9	2.7~43.2