The efficiency challenge of nitride light‐emitting diodes for lighting

C Weisbuch, M Piccardo, L Martinelli… - … status solidi (a), 2015 - Wiley Online Library
We discuss the challenges of light‐emitting diodes in view of their application to solid‐state
lighting. The requirement is to at least displace the quite efficient fluorescent, sodium, and …

Injection mechanisms in a III-nitride light-emitting diode as seen by self-emissive electron microscopy

T Tak, CW Johnson, WY Ho, F Wu, M Sauty… - Physical Review …, 2023 - APS
We report on the investigation of an electrically biased high efficiency green III-nitride light-
emitting diode (LED) by electron emission microscopy (EEM) using a low-energy electron …

[BOEK][B] Handbook of GaN semiconductor materials and devices

WW Bi, HH Kuo, P Ku, B Shen - 2017 - books.google.com
This book addresses material growth, device fabrication, device application, and
commercialization of energy-efficient white light-emitting diodes (LEDs), laser diodes, and …

interface engineering for high-efficiency photocathodes

SA Rozhkov, VV Bakin, VS Rusetsky, DA Kustov… - Physical Review …, 2024 - APS
Optical and photoemission measurements were performed on alkali antimonide Na 2 KSb
and Na 2 KSb/Cs x Sb photocathodes in order to determine their energy-band diagrams …

Measurement of minority carrier diffusion length in p-GaN using electron emission spectroscopy (EES)

WY Ho, YC Chow, S Nakamura, J Peretti… - Applied Physics …, 2023 - pubs.aip.org
Electron emission spectroscopy was performed on metalorganic chemical vapor deposition
grown pn−-n+ junctions with p-thicknesses ranging from 50 to 300 nm, doped with [Mg] …

Evidence for trap-assisted Auger recombination in MBE grown InGaN quantum wells by electron emission spectroscopy

DJ Myers, AC Espenlaub, K Gelzinyte… - Applied Physics …, 2020 - pubs.aip.org
We report on the direct measurement of hot electrons generated in the active region of blue
light-emitting diodes grown by ammonia molecular beam epitaxy by electron emission …

A PMT-like high gain avalanche photodiode based on GaN/AlN periodically stacked structure

J Zheng, L Wang, X Wu, Z Hao, C Sun, B **ong… - Applied Physics …, 2016 - pubs.aip.org
Avalanche photodiode (APD) has been intensively investigated as a promising candidate to
replace the bulky and fragile photomultiplier tube (PMT) for weak light detection. However …

Electron Transport Properties of Transistors Based on First-Principles Calculations and Boltzmann-Equation Monte Carlo Simulations

J Fang, MV Fischetti, RD Schrimpf, RA Reed… - Physical Review …, 2019 - APS
High-electron-mobility transistors (HEMTs) based on Al x Ga 1− x N/Ga N heterostructures
have great potential for applications in power electronics and radio frequency applications …

Evidence of nanoscale Anderson localization induced by intrinsic compositional disorder in InGaN/GaN quantum wells by scanning tunneling luminescence …

W Hahn, JM Lentali, P Polovodov, N Young… - Physical Review B, 2018 - APS
We present direct experimental evidence of Anderson localization induced by the intrinsic
alloy compositional disorder of InGaN/GaN quantum wells. Our approach relies on the …

Origin of electrons emitted into vacuum from InGaN light emitting diodes

J Iveland, M Piccardo, L Martinelli, J Peretti… - Applied Physics …, 2014 - pubs.aip.org
The mechanism responsible for efficiency droop in InGaN light-emitting diodes (LEDs) has
long been elusive due to indirect measurement techniques used for its identification. Auger …