Results 1 to 10 of about 184,345 (168)

High Rate Deposition of Piezoelectric AlScN Films by Reactive Magnetron Sputtering from AlSc Alloy Targets on Large Area

Micromachines, 2022
This paper reports on the deposition and characterization of piezoelectric AlXSc1-XN (further: AlScN) films on Si substrates using AlSc alloy targets with 30 at.% Sc.
Stephan Barth, Tom Schreiber, Steffen Cornelius, Olaf Zywitzki, Thomas Modes, Hagen Bartzsch   +5 more
doaj   +1 more source

High-Performance Anodes Made of Metallic Lithium Layers and Lithiated Silicon Layers Prepared by Vacuum Technologies

Batteries, 2023
Replacing conventional electrode materials is one of the most pressing challenges for next-generation lithium-ion batteries since state-of-the-art systems have almost reached their limitations for performance gains.
Stefan Saager, Ludwig Decker, Torsten Kopte, Bert Scheffel, Burkhard Zimmermann   +4 more
doaj   +1 more source

Observation of terahertz coherent edge radiation amplified by infrared free-electron laser oscillations

Scientific Reports, 2021
A coupling device, which can extract coherent edge radiation (CER) from an optical cavity for a free-electron laser (FEL) without damaging the FEL due to diffraction loss, was developed at Nihon University.
Norihiro Sei, Takeshi Sakai, Yasushi Hayakawa, Yoske Sumitomo, Kyoko Nogami, Toshinari Tanaka, Ken Hayakawa   +6 more
doaj   +1 more source

Energy-saving potential of thermochromic coatings in transparent building envelope components

Journal of Facade Design and Engineering, 2023
Advances in the energy management of buildings are essential for reducing the carbon footprint in the building sector. Applying special window coatings of varying optical properties offers new chances for improved energy efficiency.
Matthias Fahland, Jolanta Szelwicka, Wiebke Langgemach   +2 more
doaj   +1 more source

Ionizing Radiation Technologies for Vaccine Development - A Mini Review

Frontiers in Immunology, 2022
Given the current pandemic the world is struggling with, there is an urgent need to continually improve vaccine technologies. Ionizing radiation technology has a long history in the development of vaccines, dating back to the mid-20th century.
Sohini S. Bhatia, Suresh D. Pillai, Suresh D. Pillai   +2 more
doaj   +1 more source

Study of Through Glass Via (TGV) Using Bessel Beam, Ultrashort Two-Pulses of Laser and Selective Chemical Etching

Micromachines, 2023
Selective laser etching is a promising candidate for the mass production of glass interposers. It comprises two steps: local modification by an ultrashort-pulsed laser and chemical etching of the modified volume.
Jonghyeok Kim, Sungil Kim, Byungjoo Kim, Jiyeon Choi, Sanghoon Ahn   +4 more
doaj   +1 more source

Convolution Neural Network with Laser-Induced Breakdown Spectroscopy as a Monitoring Tool for Laser Cleaning Process

Sensors, 2022
In this study, eight different painted stainless steel 304L specimens were laser-cleaned using different process parameters, such as laser power, scan speed, and the number of repetitions.
Soojin Choi, Changkyoo Park
doaj   +1 more source

Spectral Shaping for Pulse Quality Improvement in GHz-repetition-rate Electro-optic Comb Lasers [PDF]

한국정밀공학회지
Lasers are widely used in precision metrology, defense, and micromachining. The rise of GHz burst processing has increased interest in high-repetition-rate laser sources.
Junyeong Sung, Yeong Gyu Kim, Byungjoo Kim, Jiyeon Choi, Sanghoon Ahn, Geon Lim, Hyonkee Sohn, Dohyun Kim   +7 more
doaj   +1 more source

Evaluation of Bunch Length by Measuring Coherent Synchrotron Radiation with a Narrow-Band Detector at LEBRA

Condensed Matter, 2020
This study presents a novel technology to measure electron bunch length with a high time resolution by measuring coherent synchrotron radiation using a narrow-band detector at Laboratory for Electron Beam Research and Application (LEBRA)—an S-band linear
Takeshi Sakai, Ken Hayakawa, Toshinari Tanaka, Yasushi Hayakawa, Kyoko Nogami, Norihiro Sei   +5 more
doaj   +1 more source

Controlling the Colonization of Clostridium perfringens in Broiler Chickens by an Electron-Beam-Killed Vaccine

Animals, 2021
Clostridium perfringens (Cp) is a Gram-positive anaerobe that is one of the causative agents of necrotic enteritis (NE) in chickens, which leads to high mortality.
Palmy R. Jesudhasan, Sohini S. Bhatia, Kirthiram K. Sivakumar, Chandni Praveen, Kenneth J. Genovese, Haiqi L. He, Robert Droleskey, Jack L. McReynolds, James A. Byrd, Christina L. Swaggerty, Michael H. Kogut, David J. Nisbet, Suresh D. Pillai   +12 more
doaj   +1 more source