The compositional dependence of the fundamental bandgap of pseudomorphic GaAs 1− x Bi x layers on GaAs substrates is studied at room temperature by optical transmission and …
R Kudrawiec, J Kopaczek, MP Polak… - Journal of Applied …, 2014 - pubs.aip.org
Band gap alignment in GaAs 1− x Bi x/GaAs quantum wells (QWs) was studied experimentally by photoreflectance (PR) and theoretically, ab initio, within the density …
RD Richards, F Bastiman, CJ Hunter, DF Mendes… - Journal of Crystal …, 2014 - Elsevier
Abstract 100 nm thick GaAsBi layers were grown at a range of temperatures using both As 2 and As 4. Measurements of Bi incorporation based on room temperature …
A comprehensive assessment of the nature of the distribution of sub band-gap energy states in bulk GaAsBi is presented using power and temperature dependent photoluminescence …
F Ishikawa, Y Akamatsu, K Watanabe, F Uesugi… - Nano Letters, 2015 - ACS Publications
GaAs/GaAsBi coaxial multishell nanowires were grown by molecular beam epitaxy. Introducing Bi results in a characteristic nanowire surface morphology with strong …
RD Richards, CJ Hunter, F Bastiman… - IET …, 2016 - Wiley Online Library
GaAsBi light emitting diodes containing∼ 6% Bi are grown on GaAs substrates. Good room‐ temperature electroluminescence spectra are obtained at current densities as low as 8 …
The effect of growth conditions on the electronic properties of GaAs 1− x Bi x grown on GaAs by molecular beam epitaxy has been investigated by means of temperature dependent …
RD Richards, F Bastiman, JS Roberts… - Journal of Crystal …, 2015 - Elsevier
A series of GaAsBi/GaAs multiple quantum well p–i–n diodes were grown by molecular beam epitaxy. Nomarski images showed evidence of sub-surface damage in each diode …
B Yan, X Chen, L Zhu, W Pan, L Wang, L Yue… - Applied Physics …, 2019 - pubs.aip.org
Band-tail states in semiconductors reflect the effects of material growth and/or treatment, affect the performance of optoelectronic applications, and are hence a well-concerned issue …