Evolution of InAs/GaAs QDs Size with the Growth Rate: A Numerical Investigation

Table 1

Experimental and calculated optical transition energies for different growth rates. Also presented are the simulated QDs height, base diameter, and corresponding aspect ratio.

Growth rate; (ML/s)	GS (eV)		1st ES (eV)		2nd ES (eV)		(nm)	(nm)	AR
	Exp.	Calc.	Exp.	Calc.	Exp.	Calc.
0.013	1.054	1.057	1.124	1.122	1.19	1.196	5.5	30	0.183
0.026	1.070	1.069	1.139	1.14	1.204	1.206	4.6	30	0.153
0.043	1.090	1.091	1.168	1.164	1.244	1.246	4.1	28	0.146
0.069	1.124	1.126	1.197	1.193	1.26	1.264	3.3	29	0.114