Surfaces of semiconducting materials excited by femtosecond laser pulses emit electromagnetic waves in the terahertz (THz) frequency range, which by definition is the 0.1 …
Abstract Knowledge about the temperature dependence of the fundamental band-gap energy of semiconductors is very important and constitutes the basis for developing …
RD Richards, A Mellor, F Harun, JS Cheong… - Solar Energy Materials …, 2017 - Elsevier
A series of strained GaAsBi/GaAs multiple quantum well diodes are characterised to assess the potential of GaAsBi for photovoltaic applications. The devices are compared with …
The study made in this paper is directed towards the tuning of the parameters responsible for the shift in optical properties of a novel type-II D-QW (double quantum well) …
Deep-level defects in n-type GaAs1− x Bi x having 0≤ x≤ 0.023 grown on GaAs by molecular beam epitaxy at substrate temperature of 378° C have been injvestigated by deep …
M Gladysiewicz, R Kudrawiec, MS Wartak - Journal of Applied Physics, 2015 - pubs.aip.org
The electronic band structure and material gain have been calculated for GaAsBi/GaAs quantum wells (QWs) with various bismuth concentrations (Bi≤ 15%) within the 8-band and …
R Kudrawiec, W Walukiewicz - Journal of Applied Physics, 2019 - pubs.aip.org
The electronic band structure of highly mismatched alloys (HMAs) was very successfully explored using electromodulation (EM) spectroscopy, ie, photoreflectance (PR) …
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 …