Table 3 |
|||
|
Size of Ge nanocrystals |
|||
|
Embedded matrixa |
PL peak energy (eV) |
dNC [confinement model] (nm)b |
dNC (TEM) (nm)b |
|
|
|||
|
HfO2 ('RF') |
1.67 |
7.1 |
7.8 |
|
Al2O3 ('RA') |
1.75 |
6.6 |
7.1 |
|
SiO2 ('RS-2') |
2.12 |
5.9 |
5.3 |
|
|
|||
|
aGe nanocrystals embedded in different oxide matrices and bdNC, nanocrystal diameter; PL, photoluminescence; TEM, transmission electron microscopy; 'RF', 'RA', and 'RS-2', sample structures defined in Table 1. |
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|
Das et al. Nanoscale Research Letters 2012 7:143 doi:10.1186/1556-276X-7-143 |
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