Energy gap reduction in dilute nitride GaAsSbN

YT Lin, TC Ma, TY Chen, HH Lin - Applied Physics Letters, 2008 - pubs.aip.org
The energy gap of dilute nitride GaAsSbN has been studied. We found that the energy gap
reduction induced by nitrogen incorporation is nearly independent of the Sb composition of …

Spatial correlation between Bi atoms in dilute : From random distribution to Bi pairing and clustering

G Ciatto, EC Young, F Glas, J Chen, RA Mori… - Physical Review B …, 2008 - APS
We use x-ray absorption spectroscopy to investigate the local structure around Bi atoms in
GaAs 1− x Bi x layers grown on GaAs as a function of Bi concentration in order to detect …

Sb and N incorporation interplay in GaAsSbN/GaAs epilayers near lattice-matching condition for 1.0–1.16-eV photonic applications

V Braza, DF Reyes, A Gonzalo, AD Utrilla, T Ben… - Nanoscale research …, 2017 - Springer
As promising candidates for solar cell and photodetection applications in the range 1.0–1.16
eV, the growth of dilute nitride GaAsSbN alloys lattice matched to GaAs is studied. With this …

Compositional inhomogeneities in type-I and type-II superlattices for GaAsSbN-based solar cells: Effect of thermal annealing

V Braza, DF Reyes, A Gonzalo, AD Utrilla… - Applied Surface …, 2018 - Elsevier
GaAsSbN alloys is recognized as an effective candidate to incorporate in multijunction solar
cell applications due to its advantages of being grown lattice-matched to GaAs and its …

Formation and vanishing of short range ordering in thin films

G Ciatto, M Thomasset, F Glas, X Lu, T Tiedje - Physical Review B …, 2010 - APS
We address the compositional evolution of the structure of GaAs 1− x Bi x thin films at
different scale lengths by combining x-ray absorption spectroscopy, atomic force …

[LIVRE][B] Hydrogenated Dilute Nitride Semiconductors: Theory, Properties, and Applications

G Ciatto - 2015 - books.google.com
The nonlinear behavior of nitrogen and the passivation effect of hydrogen in dilute nitrides
open the way to the manufacture of a new class of nanostructured devices with in-plane …

How much room for BiGa heteroantisites in GaAs1− xBix?

G Ciatto, P Alippi, A Amore Bonapasta… - Applied Physics …, 2011 - pubs.aip.org
We addressed the issue of bismuth heteroantisite defects (Bi Ga) in GaAs 1− x Bi x/GaAs
epilayers by coupling x-ray absorption spectroscopy at the bismuth edge with density …

Nitrogen map** from ADF imaging analysis in quaternary dilute nitride superlattices

N Ruiz-Marín, DF Reyes, V Braza, A Gonzalo… - Applied Surface …, 2019 - Elsevier
A method for the determination of N distribution in dilute nitride GaAsSbN superlattices (SLs)
by using different STEM imaging settings is proposed. The method combines the …

Impact of N on the atomic-scale Sb distribution in quaternary GaAsSbN-capped InAs quantum dots

DF Reyes, D González, JM Ulloa, DL Sales… - Nanoscale Research …, 2012 - Springer
The use of GaAsSbN cap** layers on InAs/GaAs quantum dots (QDs) has recently been
proposed for micro-and optoelectronic applications for their ability to independently tailor …

Local structure of nitrogen-hydrogen complexes in dilute nitrides

G Ciatto, F Boscherini, A Amore Bonapasta… - Physical Review B …, 2009 - APS
We have investigated the structure of nitrogen-hydrogen complexes in GaAs 1− y N y and In
x Ga 1− x As 1− y N y dilute nitride alloys by performing x-ray absorption near-edge structure …