Results 51 to 60 of about 10,963 (250)

Exciton Binding Energy of Phosphorescent Emitter Molecules in Organic Light‐Emitting Diodes

Advanced Functional Materials, EarlyView.
Energy level alignment is key to efficient OLED design, yet determining LUMO energies remains challenging. A methodology based on field‐induced dissociation and kinetic Monte Carlo simulations is presented to extract LUMO energies of iridium‐based phosphorescent emitters from their exciton binding energy.
Hiroki Tomita, Lucas R. L. Norg, Patrick Diederen, Clint van Hoesel, Christ H. L. Weijtens, Peter A. Bobbert, Reinder Coehoorn   +6 more
wiley   +1 more source

Quantitative Classification of Quartz by Laser Induced Breakdown Spectroscopy in Conjunction with Discriminant Function Analysis

Journal of Spectroscopy, 2016
A responsive laser induced breakdown spectroscopic system was developed and improved for utilizing it as a sensor for the classification of quartz samples on the basis of trace elements present in the acquired samples.
A. Ali, M. Z. Khan, I. Rehan, K. Rehan, R. Muhammad   +4 more
doaj   +1 more source

Quantitative Determination of Cd in Soil Using Laser-Induced Breakdown Spectroscopy in Air and Ar Conditions

Molecules, 2018
Rapid detection of Cd content in soil is beneficial to the prevention of soil heavy metal pollution. In this study, we aimed at exploring the rapid quantitative detection ability of laser- induced breakdown spectroscopy (LIBS) under the conditions of air
Xiaodan Liu, Fei Liu, Weihao Huang, Jiyu Peng, Tingting Shen, Yong He   +5 more
doaj   +1 more source

Thermally Pre‐Formed Reconfigurable Resistive Random‐Access Memory Crossbar Arrays: A Dual‐Mode Platform for Robust Physically Unclonable Functions and In‐Memory Computing

Advanced Functional Materials, EarlyView.
A reconfigurable RRAM platform utilizing thermally pre‐formed filaments (TPFs) is developed to realize robust hardware security. By exploiting the thermodynamic stochasticity of TPFs, exceptionally reliable physically unclonable functions (PUFs) are achieved.
Seongbin Kwon, Taewon Lee, Dohyeong Kim, Sungmin Hwang, Sungjoon Kim   +4 more
wiley   +1 more source

Laser-Induced Breakdown Spectroscopy for Determination of Spectral Fundamental Parameters

Applied Sciences, 2020
In this review, we report and critically discuss the application of LIBS for the determination of plasma-emission fundamental parameters, such as transition probabilities, oscillator strengths, Stark broadening and shifts, of the emission lines in the ...
Sabrina Messaoud Aberkane, Ali Safi, Asia Botto, Beatrice Campanella, Stefano Legnaioli, Francesco Poggialini, Simona Raneri, Fatemeh Rezaei, Vincenzo Palleschi   +8 more
doaj   +1 more source

Bandgap‐Engineered AlGaAs/GaAs Heterostructures for Wavelength‐Selective Dual‐Polarity Photoelectrochemistry

Advanced Functional Materials, EarlyView.
Bandgap‐engineered AlGaAs/GaAs heterostructures exhibit wavelength‐selective dual‐polarity photoelectrochemistry, switching from photocathodic to photoanodic response depending on excitation wavelength. The polarity transition is governed by band‐selective absorption, built‐in electric‐field‐driven carrier transport, and interfacial charge‐transfer ...
Yukai Mao, Lipin Chen, Jules Courtin, Siyu Lin, Gangri Cai, Yan Zhu, Yoan Léger, Nicolas Bertru, Jinshi Zhao, Charles Cornet   +9 more
wiley   +1 more source

Laser-Induced Plasma Measurements Using Nd:YAG Laser and Streak Camera: Timing Considerations

Atoms, 2019
We describe a streak camera system that is capable of both spatial and spectral measurements of laser-induced plasma. The system is based on a Hamamatsu C4334 streak camera and SpectraPro 2300i spectrograph.
Maja S. Rabasovic, Mihailo D. Rabasovic, Bratislav P. Marinkovic, Dragutin Sevic   +3 more
doaj   +1 more source

Laser‐induced breakdown spectroscopy for soil diagnostics

European Journal of Soil Science, 2001
Summary Laser‐optical measurements and fibre optics are potentially attractive tools for applications in soil science because of their great sensitivity and selectivity and their capabilities for on‐line and in situ analysis.
Bublitz, J., Dolle, C., Schade, W., Hartmann, Alexander K., Horn, Rainer   +4 more
openaire   +2 more sources

Review of Thermally Activated Twisted Coiled Polymer Actuators: A Materials Science Perspective

Advanced Functional Materials, EarlyView.
Thermally activated twisted and coiled polymer actuators (TCPAs) combine lightweight design, large deformation, and scalable fabrication for soft robotic and wearable applications. This review connects polymer structure, processing history, helix geometry, and thermomechanical characterization to actuator performance, highlighting current challenges in
Nadja Schenk, Lukas Benecke, Chokri Cherif, Johannes Mersch   +3 more
wiley   +1 more source

Transient temperature measurement based on laser-induced breakdown spectroscopy

电力工程技术
Temperature plays a crucial role in influencing the mechanical properties of materials. Accurately measuring the temperature of devices is essential for understanding the evolution of their mechanical properties under stress and evaluating their health ...
LIAO Wenlong, LI Zhe, YANG Yueping, TANG Bo, WEI Wenfu   +4 more
doaj   +1 more source