GaAs-based long-wavelength lasers

VM Ustinov, AE Zhukov - Semiconductor science and technology, 2000 - iopscience.iop.org
The present paper reviews recent achievements in the fabrication of diode lasers for the
near-infrared range on GaAs substrates. 1.3 µm light emitters are currently widely used in …

Nitrogen-Activated Transitions, Level Repulsion, and Band Gap Reduction in with

JD Perkins, A Mascarenhas, Y Zhang, JF Geisz… - Physical review …, 1999 - APS
We report electroreflectance spectra for a series of GaAs 1− x N x samples with x< 0.03. For
all samples, the fundamental band gap transition (E 0) and the transition from the spin-orbit …

Mechanism for low-temperature photoluminescence in GaNAs/GaAs structures grown by molecular-beam epitaxy

IA Buyanova, WM Chen, G Pozina, JP Bergman… - Applied physics …, 1999 - pubs.aip.org
The mechanism for low-temperature photoluminescence (PL) emissions in GaNAs epilayers
and GaAs/GaN x As 1− x quantum well (QW) structures grown by molecular-beam epitaxy is …

First-principles study of electronic structure and optical properties of heterodiamond

J Sun, XF Zhou, YX Fan, J Chen, HT Wang, X Guo… - Physical Review B …, 2006 - APS
Heterodiamond BC 2 N, as a kind of superhard material expectable, is studied using the ab
initio pseudopotential density functional method. All the calculations are performed after …

(Ga, In)(N, As)-fine structure of the band gap due to nearest-neighbor configurations of the isovalent nitrogen

PJ Klar, H Grüning, J Koch, S Schäfer, K Volz, W Stolz… - Physical Review B, 2001 - APS
An intrinsic property of quaternary alloys A 1− y B y C 1− x D x (x≈ 1–3%) with D being an
isovalent trap is reported: a set of discrete band gaps occurs due to substitution of the …

Electronic properties of ga (in) nas alloys

IA Buyanova, WM Chen, B Monemar - Materials Research Society …, 2001 - cambridge.org
A brief review on the present knowledge of the electronic properties of the Ga (In) NAs
ternary and quaternary alloys is given mainly from an experimental perspective. The …

The anomalous bandgap bowing in GaAsN

U Tisch, E Finkman, J Salzman - Applied physics letters, 2002 - pubs.aip.org
The composition dependence of the fundamental bandgap of thin, pseudomorphic
GaAs1xNx layers (0x 5%) on GaAs substrates is studied by optical transmission …

The study of nanocrystalline cerium oxide by X-ray absorption spectroscopy

P Nachimuthu, WC Shih, RS Liu, LY Jang… - Journal of Solid State …, 2000 - Elsevier
X-ray absorption spectroscopy has been used to study the structural and electronic
properties of cerium atoms in nano-crystalline cerium oxide. These nanocrystalline cerium …

Nitrogen-related electron traps in Ga(As,N) layers

P Krispin, V Gambin, JS Harris, KH Ploog - Journal of Applied Physics, 2003 - pubs.aip.org
Capacitance spectroscopy is used to examine the compositional dependence of deep levels
in Si-doped Ga (As, N) layers grown on GaAs. We find two predominant electron traps at …

Raman studies of nitrogen incorporation in

T Prokofyeva, T Sauncy, M Seon, M Holtz, Y Qiu… - Applied physics …, 1998 - pubs.aip.org
We report direct-backscattering Raman studies of GaAs 1− x N x alloys, for x⩽ 0.03, grown
on (001) GaAs. The Raman spectra exhibit a two-mode behavior. The allowed GaAs-like …