Results 91 to 100 of about 409,083 (217)

Excited-State Dynamics of Carbazole and tert-Butyl-Carbazole in Thin Films

Photochem
Thin films of carbazole (Cz) derivatives are frequently used in organic electronics, such as organic light-emitting diodes (OLEDs). Because of the proximity of the Cz units, the excited-state relaxation in such films is complicated, as intermolecular ...
Konstantin Moritz Knötig, Domenic Gust, Kawon Oum, Thomas Lenzer   +3 more
doaj   +1 more source

Beam distortion detection technique for picosecond ultrasonics

Journal of Physics: Conference Series, 2007
Beam distortion detection (BDD) technique was successfully used for the detection of picosecond longitudinal and shear acoustic pulses in micrometric metallic layers. It is optimised for the measurement of the displacement pulse shape. In this communication the application of BDD for the evaluation of displacement acoustic echoes in 250 nm tungsten ...
N Chigarev, C Rossignol, B Audoin
openaire   +1 more source

Intrinsic Mechanical Parameters and their Characterization in Solid‐State Lithium Batteries

Advanced Energy Materials, Volume 15, Issue 11, March 18, 2025.
This review focuses on the intrinsic mechanical parameters and their associated characterization in solid‐state batteries. The physical significance of mechanics parameters is introduced with exhaustive classifications by elastic, plastic deformations and fracture in bulk, adhesion, friction at interfaces, and mechanical fatigue in cells ...
Shuai Hao, Qianyi Zhang, Xiangkang Kong, Zhaoxiang Wang, Xue‐Ping Gao, Paul R. Shearing   +5 more
wiley   +1 more source

Generation and remote detection of THz sound using semiconductor superlattices

, 2007
The authors introduce a novel approach to study the propagation of high frequency acoustic phonons in which the generation and detection involves two spatially separated superlattices $\sim 1 {\rm \mu m}$ apart.
J. K. Wahlstrand, M. Reason, M. Trigo, R. Merlin, R. S. Goldman, Rytov S. M., T. A. Eckhause   +6 more
core   +1 more source

Sonoluminescing air bubbles rectify argon [PDF]

, 1997
The dynamics of single bubble sonoluminescence (SBSL) strongly depends on the percentage of inert gas within the bubble. We propose a theory for this dependence, based on a combination of principles from sonochemistry and hydrodynamic stability.
A. Eller, A. Eller, A. Prosperetti, B. P. Barber, B. P. Barber, Blaine Johnston, Detlef Lohse, E. Hart, G. Holt, H. Schultes, K. S. Suslick, L. A. Crum, L. Bernstein, L. Bernstein, M. A. Margulis, M. Brenner, M. Brenner, M. M. Fyrillas, Michael P. Brenner, R. Hiller, R. Hiller, R. Löfstedt, R. Löfstedt, S. Hilgenfeldt, S. J. Putterman, Sascha Hilgenfeldt, Todd F. Dupont   +26 more
core   +4 more sources

Operando Monitoring Interfacial pH Gradients and Ion Kinetics in Proton‐Coupled Electron Transfer Reactions through Dual‐Loop Electrochemical Methodology

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
We present a dual‐loop methodology for real‐time mapping of interfacial pH that distinguishes electric field effects from changes in proton activity. This universal tool reveals significant pH gradients and identifies ion mobility and buffer capacity as key regulators, providing crucial insights for optimizing electrocatalyst performance in energy ...
Pengbo Ding, Zhuoao Li, Lixiu Guan, Dan Xing, Qitao Lian, Zixiang Bai, Junguang Tao   +6 more
wiley   +1 more source

Optically excited nanoscale ultrasonic transducers [PDF]

, 2015
In order to work at higher ultrasonic frequencies, for instance, to increase the resolution, it is necessary to fabricate smaller and higher frequency transducers.
Arca, Ahmet, Aylott, Jonathan W., Chen, Xuesheng, Clark, Matt, Cota, Fernando Perez, Marques, Leonel, Smith, Richard J., Somekh, Michael G., Webb, Kevin   +8 more
core   +2 more sources

Nonresonant Surface‐Enhanced Hyper Raman Scattering of Aromatic Amino Acids on Gold Nanoparticles

Journal of Raman Spectroscopy, EarlyView.
The surface‐enhanced hyper Raman spectra of the three aromatic amino acids phenylalanine, tryptophan, and tyrosine, obtained with nonresonant excitation at a wavelength of 1064 nm, are reported. The data are discussed in the context of the interaction of the molecules with two gold nanoparticle plasmonic substrates, as well as intermolecular ...
Fariha Binte Rahman, Janina Kneipp
wiley   +1 more source

Interfacial Reaction Boosts Thermal Conductance of Room‐Temperature Integrated Semiconductor Interfaces Stable up to 1100 °C

Advanced Electronic Materials
Overheating has emerged as a primary challenge constraining the reliability and performance of next‐generation high‐performance (ultra)wide bandgap (WBG or UWBG) electronics.
Xiaoyang Ji, Zifeng Huang, Yutaka Ohno, Koji Inoue, Yasusyohi Nagai, Yoshiki Sakaida, Hiroki Uratani, Jinchi Sun, Naoteru Shigekawa, Jianbo Liang, Zhe Cheng   +10 more
doaj   +1 more source

Quantum‐Grade Nanodiamonds from a Single‐Step, Industrial‐Scale Pressure and Temperature Process

Advanced Functional Materials, Volume 36, Issue 12, 9 February 2026.
Novel method for creation of nitrogen‐vacancy centers in 50‐nm nanodiamonds based on high‐temperature plastic deformation is demonstrated. Compared to the electron irradiation approach, it yields nitrogen‐vacancy centers with significantly improved charge stability, T1 relaxation time, and optical Rabi contrast.
Yahua Bao, Michal Gulka, Parkarsh Kumar, Jakub Copak, Priyadharshini Balasubramanian, Yuliya Mindarava, Rémi Blinder, Michael Olney‐Fraser, Haotian Wen, Hana Spanielova, Helen Zhi Jie Zeng, Benjamin Whitefield, Igor Aharonovich, Jaroslav Hruby, Fedor Jelezko, J. Daniel Belnap, Shery L. Y. Chang, Petr Cigler   +17 more
wiley   +1 more source