Results 1 to 10 of about 14,256 (271)

Numerical study of terahertz radiation from N-polar AlGaN/GaN HEMT under asymmetric boundaries [PDF]

Frontiers of Optoelectronics
In this paper, we have studied the electrical excitation of plasma-wave in N-polar AlGaN/GaN high electron mobility transistors (HEMT) under asymmetric boundaries leads to terahertz emission.
Runxian Xing, Hongyang Guo, Bohan Guo, Guohao Yu, Ping Zhang, Jia’an Zhou, An Yang, Yu Li, Chunfeng Hao, Huixin Yue, Zhongming Zeng, Xinping Zhang, Baoshun Zhang   +12 more
doaj   +2 more sources

Fabrication of elastic, conductive, wear-resistant superhydrophobic composite material

Scientific Reports, 2021
A polydimethylsiloxane (PDMS)/Cu superhydrophobic composite material is fabricated by wet etching, electroless plating, and polymer casting. The surface topography of the material emerges from hierarchical micro/nanoscale structures of etched aluminum ...
Seyed Mehran Mirmohammadi, Sasha Hoshian, Ville P. Jokinen, Sami Franssila   +3 more
doaj   +1 more source

Nonlinear amplification of microwave signals in spin-torque oscillators

Nature Communications, 2023
Spintronics-based microwave devices, such as oscillators and detectors, have been the subject of intensive investigation in recent years owing to the potential reductions in size and power consumption.
Keqiang Zhu, Mario Carpentieri, Like Zhang, Bin Fang, Jialin Cai, Roman Verba, Anna Giordano, Vito Puliafito, Baoshun Zhang, Giovanni Finocchio, Zhongming Zeng   +10 more
doaj   +1 more source

Development of a New Integrated System for Vital Sign Monitoring in Small Animals

Sensors, 2022
Monitoring the vital signs of mice is an essential practice during imaging procedures to avoid populational losses and improve image quality. For this purpose, a system based on a set of devices (piezoelectric sensor, optical module and thermistor) able ...
Regina G. Oliveira, Pedro M. M. Correia, Ana L. M. Silva, Pedro M. C. C. Encarnação, Fabiana M. Ribeiro, Ismael F. Castro, João F. C. A. Veloso   +6 more
doaj   +1 more source

Nanofabrication and Nanomanufacturing

Nanomaterials, 2022
Nanotechnology is a broad area integrating different research disciplines, including but not limited to material science, engineering, physics, chemistry, polymer science, optics, electronics, robotic, metallurgy, pharmacology, pharmacy and medicine [...]
Mikhael Bechelany
doaj   +1 more source

Micro Electropolishing of the MEMS Metallic Structures Fabricated by the Micro WEDM Process [PDF]

International Journal of Advanced Design and Manufacturing Technology, 2022
In this study, the micro electro-polishing method was employed to improve the surface quality of microbeams machined by the micro WEDM method and to remove the recast layer.
Mohammad Tahmasebipour, Younes Tahmasebipour, Mahya Boujari Aliabadi, Shadi Ebrahimi   +3 more
doaj   +1 more source

Wet-Deposited TADF-Based OLED Active Layers: New Approaches towards Further Optimization

Applied Sciences, 2023
The effects of the solvent used for the active layer materials of an OLED based on TADF emitters play a fundamental role in solution-deposited devices. This work focuses on the effects on the performance of different solvents employed to fabricate a very
Francisco Teixeira, José Carlos Germino, Luiz Pereira   +2 more
doaj   +1 more source

3‐D Nanofabrication of Silicon and Nanostructure Fine‐Tuning via Helium Ion Implantation

Advanced Materials Interfaces, 2022
Despite the continued scaling down of semiconductor manufacturing, traditional lithography‐based nanofabrication only produces thin film structures, not 3‐D shapes.
Xiaolei Wen, Renwei Mao, Huan Hu
doaj   +1 more source

Surface Modification with Control over Ligand Density for the Study of Multivalent Biological Systems

ChemistryOpen, 2020
In the study of multivalent interactions at interfaces, as occur for example at cell membranes, the density of the ligands or receptors displayed at the interface plays a pivotal role, affecting both the overall binding affinities and the valencies ...
Dr. Daniele Di Iorio, Prof. Jurriaan Huskens   +1 more
doaj   +1 more source

Friction-Induced Nanofabrication: A Review

Chinese Journal of Mechanical Engineering, 2021
As the bridge between basic principles and applications of nanotechnology, nanofabrication methods play significant role in supporting the development of nanoscale science and engineering, which is changing and improving the production and lifestyle of ...
Bingjun Yu, Linmao Qian
doaj   +1 more source