Strongly localized carriers in Al-rich AlGaN/AlN single quantum wells grown on sapphire substrates

C Frankerl, F Nippert, MP Hoffmann, H Wang… - Journal of Applied …, 2020 - pubs.aip.org
Carrier dynamics in AlGaN-based single quantum well (QW) structures grown on sapphire
are studied by means of time-integrated and time-resolved photoluminescence …

Origin of carrier localization in AlGaN-based quantum well structures and implications for efficiency droop

C Frankerl, F Nippert, A Gomez-Iglesias… - Applied Physics …, 2020 - pubs.aip.org
We investigate carrier localization in Al-rich AlGaN/AlN quantum well (QW) structures. Low
temperature time-resolved photoluminescence (PL) experiments reveal a strong variation of …

Dependence of radiative and nonradiative recombination on carrier density and Al content in thick AlGaN epilayers

Ž Podlipskas, R Aleksiejūnas, A Kadys… - Journal of Physics D …, 2016 - iopscience.iop.org
Dynamics of radiative and nonradiative recombination of non-equilibrium carriers is
investigated in thick AlGaN epitaxial layers with Al content ranging from 0.11 to 0.71. The …

Carrier Dynamics in Al‐Rich AlGaN/AlN Quantum Well Structures Governed by Carrier Localization

C Frankerl, F Nippert, MP Hoffmann… - … status solidi (b), 2020 - Wiley Online Library
The carrier dynamics of Al‐rich AlGaN/AlN quantum well (QW) structures in the presence of
strong carrier localization is reported. Excitation density‐dependent photoluminescence (PL) …

Low-temperature redistribution of non-thermalized carriers and its effect on efficiency droop in AlGaN epilayers

J Mickevičius, J Jurkevičius, A Kadys… - Journal of Physics D …, 2015 - iopscience.iop.org
The carrier dynamics in AlGaN epilayers with different degrees of carrier localization were
studied using low-temperature photoluminescence spectroscopy at different excitations. We …

Dynamics of nonequilibrium carrier decay in AlGaN epitaxial layers with high aluminum content

T Saxena, M Shur, S Nargelas, Ž Podlipskas… - Optics …, 2015 - opg.optica.org
Carrier dynamics in high-Al-content AlGaN epilayers with different dislocation densities from
5× 10^ 8 cm^− 2 to 5× 10^ 9 cm^− 2 is studied by comparing the photoluminescence decay …

[PDF][PDF] Photoluminescence efficiency in wide-band-gap iii-nitride semiconductors and their heterostructures

J Jurkevičius - 2016 - epublications.vu.lt
III-nitrides are arguably already a classic semiconductor material group. The period of
intensive research of III-nitride semiconductors started by Nobel Prize winners Shuji …

Specific features of the cathodoluminescence spectra of AlInGaN QWs, caused by the influence of phase separation and internal electric fields

YV Kuznetsova, VN Jmerik, DV Nechaev… - Semiconductors, 2016 - Springer
The specific features of the cathodoluminescence (CL) spectra in AlInGaN heterostructures,
caused by the influence of phase separation and internal electric fields, observed at varied …

Особенности катодолюминесцентных спектров квантовых ям AlInGaN, вызванные влиянием фазового распада и внутренних электрических полей

ЯВ Кузнецова, ВН Жмерик, ДВ Нечаев… - Физика и техника …, 2016 - mathnet.ru
Исследованы особенности спектров катодолюминесценции в гетероструктурах
AlInGaN, вызванные влиянием фазового распада и внутренних электрических полей …

[图书][B] Study of Dispersion and Carrier Dynamics in Semiconductors for Optoelectronic Applications

T Saxena - 2015 - search.proquest.com
In this dissertation, I present the investigation of the carrier dynamics and frequency
dispersion in semiconductor materials for applications in light sensing and emitting devices …