Results 81 to 90 of about 2,177,698 (204)

Caratteristiche costruttive e di funzionamento dei LED

, 2011
In questa comunicazione dono descritti i LED, le principali tipologie presenti oggi sul mercato, i punti di forza e di debolezza, la loro alimentazione, le ottiche, le tecniche per ottenere luce bianca, il controllo della temperatura di giunzione, nonchè
BELLIA, LAURA
core  

Image_1_Usefulness of a new DUV-LED device for the control of infection by Escherichia coli, Staphylococcus aureus, mycobacteria and spore-forming bacteria.TIFF

, 2022
Reliable disinfection and sterilization technologies are needed to deal with the various infectious diseases spreading around the world. Furthermore, bacteria that are difficult to eliminate by ordinary disinfection are also a problem in the medical ...
Yoshitaka Goto (5549273), Akatsuki Saito (3401102), Tamaki Okabayashi (460054), Shouichi Fujimoto (636723), Hironobu Sugiyama (13896235), Hiroko Inagaki (9412876), Kyosuke Watanabe (14214065)   +6 more
core   +1 more source

Approaches to sex education: peer-led or teacher-led? [PDF]

, 2008
David Ross discusses a new study of school-based peer-led sex education in London and whether it reduced unintended teenage ...
Ross, David A, David A Ross, Ross David A   +2 more
core   +1 more source

Multiphoton-excited DUV photolithography for 3D nanofabrication

, 2019
Light-matter interactions in the deep ultraviolet (DUV) wavelength region exhibits a variety of optical effects such as luminescence, photoisomerization, and polymerization in many materials.
Atsushi Nakayama (1325616), Satoshi Kawata (506422), Ryosuke Oketani (9530980), Katsumasa Fujita (506421), Atsushi Taguchi (1778224)   +4 more
core   +1 more source

High-Performances AlGaN-based DUV-LED via Under-Level Multiple Quantum Well Configuration

Low internal and external quantum efficiencies in high Aluminium content AlGaN-based deep-ultraviolet light-emitting diode (DUV-LED) occurred due to strong polarization effects, spontaneous and piezoelectric polarization, at the interface between two ...
Noorden, Ahmad Fakhrurrazi Ahmad, Kadir, Muhamad Zamzuri Abdul, Aman, Mohammad Amirul Hairol, Azrisham, Nurul Fathinah, Danial, Wan Hazman   +4 more
core   +1 more source

Realization of Electrically Driven AlGaN-Delta-GaN QW DUV Micro-LEDs at 265 nm

IEEE Photonics Journal
Quantum efficiency of deep-ultraviolet (DUV) light-emitting diodes (LEDs) is a roadblock for these devices to reach efficiencies comparable to their visible light counterparts.
Bryan Melanson, Jacob Boisvere, Matthew Seitz, Jing Zhang   +3 more
doaj   +1 more source

Theoretical and Computational Analysis of a Wurtzite-AlGaN DUV-LED to Mitigate Quantum-Confined Stark Effect with a Zincblende Comparison Considering Mg- and Be-Doping. [PDF]

Nanomaterials (Basel), 2022
Solís-Cisneros HI, Hu Y, Camas-Anzueto JL, Grajales-Coutiño R, Anwar AR, Martínez-Revuelta R, Hernández-de-León HR, Hernández-Gutiérrez CA.   +7 more
europepmc   +1 more source

Bilayer E-Beam/DUV Resist Systems [PDF]

, 1990
Two bilayer E-beam/DUV resist schemes were developed using a DUV sensitive PMGI planarization layer and two E-beam sensitive imaging layers. PMM~ and Olin-Hunt Waycoat HEBR-214 were used as imaging layers.
Baccaro, James
core   +1 more source

Influence of Quantum-Well Width on the Electroluminescence Properties of AlGaN Deep Ultraviolet Light-Emitting Diodes at Different Temperatures

Nanoscale Research Letters, 2018
The influence of quantum-well (QW) width on electroluminescence properties of AlGaN deep ultraviolet light-emitting diodes (DUV LEDs) was studied at different temperatures.
Shuxin Tan, Jicai Zhang, Takashi Egawa, Gang Chen, Xiangdong Luo, Ling Sun, Youhua Zhu   +6 more
doaj   +1 more source

Advances in DUV spectroscopy

, 2011
The would-be advantages of deep UV (DUV) spectroscopy are well known, but the potential applications have so far not been fully realized due to technological limitations and, perhaps, lack of bright ideas.
Tidemand-Lichtenberg, Peter, Mogensen, Claus Tilsted, Buchhave, Preben   +2 more
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