Skip to main content
Account

Table 1 Summary of different PL peak energies and their origins for both unpatterned and patterned samples

From: Improved infrared photoluminescence characteristics from circularly ordered self-assembled Ge islands

Sample

Island type

Diameter (nm)

Height (nm)

Peak energy (meV)

Origin

Unpatterned

Smaller

65 ± 7

7 ± 1

761

No phonon

 

Larger

95 ± 8

18 ± 2

702

No phonon

    

665

TO phonon

Patterned (500 nm pitch)

Smaller

40-70

4-10

710-850

No phonon

 

Ordered

75 ± 5

17 ± 1

691

No phonon

    

655

TO phonon

Navigation