The 2020 UV emitter roadmap

H Amano, R Collazo, C De Santi… - Journal of Physics D …, 2020‏ - iopscience.iop.org
Solid state UV emitters have many advantages over conventional UV sources. The (Al, In,
Ga) N material system is best suited to produce LEDs and laser diodes from 400 nm down to …

Tracking of point defects in the full compositional range of AlGaN via photoluminescence spectroscopy

J Hyun Kim, P Bagheri, R Kirste, P Reddy… - … status solidi (a), 2023‏ - Wiley Online Library
A comprehensive energy map as a function of AlGaN composition over the whole alloy
range is presented for commonly observed point defects in nominally intrinsic, n‐, and p …

Electron beam pumped light emitting devices

S Cuesta, A Harikumar, E Monroy - Journal of Physics D: Applied …, 2022‏ - iopscience.iop.org
Electron beam pum** is a promising technique to fabricate compact and efficient light
emitters (lamps or lasers) in those spectral ranges where electrical injection is problematic …

[HTML][HTML] Growth of highly conductive Al-rich AlGaN: Si with low group-III vacancy concentration

AS Almogbel, CJ Zollner, BK Saifaddin, M Iza, J Wang… - AIP Advances, 2021‏ - pubs.aip.org
The impact of AlGaN growth conditions on AlGaN: Si resistivity and surface morphology has
been investigated using metalorganic chemical vapor deposition. Growth parameters …

Ge doped GaN and Al0. 5Ga0. 5N-based tunnel junctions on top of visible and UV light emitting diodes

V Fan Arcara, B Damilano, G Feuillet… - Journal of Applied …, 2019‏ - pubs.aip.org
The use of tunnel junctions (TJs) is a potential solution in blue light-emitting diodes (LEDs)
to poor p-contacts, replacing it with another n-contact. TJs are even more advantageous for …

Probing structural and chemical evolution in (AlxGa1− x) 2O3 using atom probe tomography: A review

B Mazumder, J Sarker - Journal of Materials Research, 2021‏ - Springer
Abstract (Al x Ga 1− x) 2 O 3 is a novel ultra‐wide bandgap semiconductor with the potential
to dominate future power electronics industries. High‐performance devices demand high Al …

Self-compensation in heavily Ge doped AlGaN: A comparison to Si do**

S Washiyama, KJ Mirrielees, P Bagheri… - Applied Physics …, 2021‏ - pubs.aip.org
Self-compensation in Ge-and Si-doped Al 0.3 Ga 0.7 N has been investigated in terms of the
formation of III vacancy and donor-vacancy complexes. Both Ge-and Si-doped AlGaN layers …

[HTML][HTML] Application of Smart Condensed H-Adsorption Nanocomposites in Batteries: Energy Storage Systems and DFT Computations

F Mollaamin, M Monajjemi - Computation, 2024‏ - mdpi.com
A comprehensive investigation of hydrogen grabbing towards the formation of hetero-
clusters of AlGaN–H, Si–AlGaN–H, Ge–AlGaN–H, Pd–AlGaN–H, and Pt–AlGaN–H was …

Direct observation of site-specific dopant substitution in Si doped (Al x Ga1− x) 2O3 via atom probe tomography

J Sarker, AFMAU Bhuiyan, Z Feng… - Journal of Physics D …, 2021‏ - iopscience.iop.org
In this work, the interaction of n-type dopants in Si doped (Al x Ga 1− x) 2 O 3 films with
varying Al content over the entire composition range (x= 0%–100%) was analyzed using …

[HTML][HTML] The nature of the DX state in Ge-doped AlGaN

P Bagheri, R Kirste, P Reddy, S Washiyama… - Applied Physics …, 2020‏ - pubs.aip.org
Electrical conductivity in high Al-content AlGaN has been severely limited, presumably due
to a DX transition forming an acceptor state and subsequent self-compensation, which …