Results 91 to 100 of about 1,812 (181)

Electrically Tunable Room‐Temperature Microwave Oscillations in GaN/AlN Triple‐Barrier Resonant Tunneling Diodes

Advanced Electronic Materials, Volume 12, Issue 9, 11 May 2026.
III‐nitride semiconductors have revolutionized optoelectronics, enabling transformative technologies such as high‐efficiency LEDs and lasers. However, their use in intersubband optoelectronics has remained limited. This work marks an important step forward by demonstrating highly coherent inter‐well resonant tunneling injection in III‐nitride ...
Jimy Encomendero, Naomi Pieczulewski, Eegene Chung, Vladimir Protasenko, David A. Muller, Debdeep Jena, Huili Grace Xing   +6 more
wiley   +1 more source

Mechanistic Insights Into Ultrasound‐Assisted Plant Stilbenes Sustainable Extraction Using Hydrophilic NADES: A Case Study of Cajaninstilbene Acid With Integrated NMR, COSMO‐RS, and MD Simulation

Food Frontiers, Volume 7, Issue 3, May 2026.
Schematic illustration of green NADES extraction by using CSA as a model compound. ABSTRACT Stilbenes are bioactive phytochemicals with notable health benefits, yet their extraction is hindered by hydrophobicity and reliance on toxic solvents. This study introduces a green, sustainable approach for stilbene extraction using hydrophilic natural deep ...
Shanshan Zhang, Jun Wu, Renjie Niu, Qian Zhou, Mingfu Wang   +4 more
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

SERS‐Based Nano‐ and Microsystems Toward Biomedical Applications

Small, Volume 22, Issue 28, 18 May 2026.
This review provides a current overview of nano‐ and microscale SERS‐based devices, encompassing all aspects from material design to practical applications. We highlight controlled SERS‐active architectures, including patterned substrates, nanorods, microspheres, micromotors, and microneedles, as well as combinations of these microfluidic systems.
Gohar Soufi, Tijana Maric, Isidro Badillo‐Ramírez, Juliane Fjelrad Christfort, Matteo Tollemeto, Carmen Milan Guimera, Casper Nisula, Giulia Zappalá, Laura De Vittorio, Marta Rubio‐Huertas, Sungyeong Kim, Ziqiao Li, Morten Bo Søndergaard Svendsen, Zhongyang Zhang, Anja Boisen   +14 more
wiley   +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

International Expert Consensus on Integrated Skincare Active Ingredients for Pretreatment and Posttreatment Use With Medical Aesthetic Procedures to Enhance Skin Benefits

Journal of Cosmetic Dermatology, Volume 25, Issue 5, May 2026.
ABSTRACT Background Integrated skincare (ISC) combines dermocosmetics with medical aesthetic procedures to improve outcomes. However, guidance on selecting appropriate active ingredients across different procedure types and phases remains limited.
Peter Bjerring, Zoe D. Draelos, Sabrina G. Fabi, Greg J. Goodman, Kwun Cheun Hau, Ariel Haus, Izolda Heydenrych, Jihee Kim, Liang‐Chen Lin, Karim Sayed, Hema Sundaram, Rieko Tsubouchi, Yan Wu, Patricia Brieva, Hina Choudhary, Leihong Flora Xiang   +15 more
wiley   +1 more source

Picosecond ultrasonics on a single micron carbon fiber

Journal of Physics: Conference Series, 2011
A pump-probe picosecond technique is used to reveal the opto-acoustic response of micrometric carbon fibers. Two carbon fibers having the hexagonal symmetry are experimentally studied. A dedicated experimental setup allows to generate acoustic waves that propagate in a cross section of the fiber.
D Ségur, Y Guillet, B Audoin
openaire   +1 more source

Study of Elastic and Structural Properties of BaFe₂As₂ Ultrathin Film Using Picosecond Ultrasonics. [PDF]

Materials (Basel), 2023
Cheng D, Song B, Kang JH, Sundahl C, Edgeton AL, Luo L, Park JM, Collantes YG, Hellstrom EE, Mootz M, Perakis IE, Eom CB, Wang J.   +12 more
europepmc   +1 more source

Recent progress in picosecond ultrasonic process metrology [PDF]

AIP Conference Proceedings, 2001
We discuss the use of the picosecond ultrasonics technique for characterizing several challenging processes which are common in sub-0.18 micron processes. Specific processes considered are reactive TaN, RTP-CoSi2, and damascene copper. We describe the transition from one- to two- dimensional acoustical excitations in damascene copper lines, and show ...
openaire   +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