Hot electron effects on efficiency degradation in InGaN light emitting diodes and designs to mitigate them

X Ni, X Li, J Lee, S Liu, V Avrutin, Ü Özgür… - Journal of Applied …, 2010 - pubs.aip.org
Hot electrons and the associated ballistic and quasiballistic transport, heretofore neglected
endemically, across the active regions of InGaN light emitting diodes (LEDs) have been …

Raman scattering by the E2h and A1 (LO) phonons of InxGa1− xN epilayers (0.25< x< 0.75) grown by molecular beam epitaxy

R Oliva, J Ibáñez, R Cuscó, R Kudrawiec… - Journal of Applied …, 2012 - pubs.aip.org
We use Raman scattering to investigate the composition behavior of the E 2h and A 1 (LO)
phonons of In x Ga 1− x N and to evaluate the role of lateral compositional fluctuations and …

Determination of the LO phonon energy by using electronic and optical methods in AlGaN/GaN

O Celik, E Tiras, S Ardali, S Lisesivdin, E Ozbay - Open Physics, 2012 - degruyter.com
The longitudinal optical (LO) phonon energy in AlGaN/GaN heterostructures is determined
from temperature-dependent Hall effect measurements and also from Infrared (IR) …

High carrier concentration induced effects on the bowing parameter and the temperature dependence of the band gap of GaxIn1− xN

O Donmez, M Gunes, F Sonmez, S Ardali, G Atmaca, SB Lisesivdin… - Materials Science in …, 2021 - Elsevier
Abstract The Raman and classical Hall effect measurements have been used to determine
the longitudinal optical phonon energy, effective mass, and optical phonon relaxation times …

High-efficiency InGaN/GaN light-emitting diodes with electron injector

SH Park, YT Moon, DS Han, JS Park… - Semiconductor …, 2012 - iopscience.iop.org
The efficiency in non-polar m-plane InGaN/GaN light-emitting diodes (LEDs) with an
electron injector (EI) layer was investigated using multiband effective mass theory. The …

Theoretical investigation on electron mobility in AlInGaN/InGaN heterostructures

Y Li - physica status solidi (b), 2019 - Wiley Online Library
The dependences of electron mobility in AlInGaN/InGaN heterostructure on the barrier and
channel alloy compositions and on temperature are investigated including six scattering …

Nonpolar and semipolar GaN, optical gain and efficiency

SH Park, D Ahn - Gallium Nitride Materials and Devices VIII, 2013 - spiedigitallibrary.org
Crystal orientation effects on electronic and optical properties of wurtzite (WZ) InGaN/GaN
quantum wells (QWs) with piezoelectric (PZ) and spontaneous (SP) polarizations are …