- Tytuł:
- Metastability of Band-Gap Energy in GaInNAs Compound Investigated by Photoreflectance
- Autorzy:
-
Kudrawiec, R.
Misiewicz, J.
Pavelescu, E.-M.
Konttinen, J.
Pessa, M. - Powiązania:
- https://bibliotekanauki.pl/articles/2038258.pdf
- Data publikacji:
- 2004-08
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
73.22.-f
78.66.-w
78.30.-j - Opis:
- The band-gap energy of GaInNAs layers lattice-matched to GaAs substrate and annealed under different temperatures is investigated by photoreflectance spectroscopy. Different nitrogen nearest-neighbor environments of N atom appear in GaInNAs layers due to the post-growth annealing. It leads to an energy-fine structure of the band gap, i.e. well separated photoreflectance resonances related to different nitrogen nearest-neighbor environments (N-Ga$\text{}_{4-m}$In$\text{}_{m}$ (0≤ m≤ 4) short-range-order clusters). The temperature dependence of the band gap E(T) related to different N-Ga$\text{}_{4-m}$In$\text{}_{m}$ clusters is investigated in 10-280 K temperature range, and Varshni and Bose-Einstein parameters for E(T) are determined.
- Źródło:
-
Acta Physica Polonica A; 2004, 106, 2; 249-263
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki
Artykuł