Results 31 to 40 of about 11,359 (235)

Radiation hardness test of a silicon detector and preamplifier over the design lifetime for a reactor coolant leakage monitoring system [PDF]

Nuclear Technology and Radiation Protection
Radiation hardness tests were conducted on a silicon detector and preamplifier to develop a reactor coolant leakage monitoring system, which detects high-energy beta particles from 16N in the primary reactor coolant of nuclear power plants ...
Pak Kihong, Kim Jongheon, Kim Yong Hyun, Goh Seung Beom, Cho Young-Sik, Kim Yong Kyun   +5 more
doaj   +1 more source

Origin of Dark Current Robustness in Photomultiplication Organic Photodetectors Enabled by Ionic Conjugated Electron‐Blocking Layers

Advanced Materials, EarlyView.
Ionic conjugated polyelectrolyte electron‐blocking layers enable photomultiplication organic photodetectors with dark current robustness up to −10 V and external quantum efficiencies exceeding 3000%. Fowler–Nordheim tunneling, interfacial dipole, trap density of states, and noise analyses reveal how ionic conjugated polyelectrolytes suppress electron ...
Yelim Kang, Min Hun Jee, Shuai Zhang, Sang Heon Lee, Jung Min Ha, Xingchao Zhao, Xiaoling Ma, Huiseong Shin, Changhwan Shin, Soonyong Lee, Fujun Zhang, Jae Won Shim, Han Young Woo   +12 more
wiley   +1 more source

Optimized Design of a Self-Biased Amplifier for Seizure Detection Supplied by Piezoelectric Nanogenerator: Metaheuristic Algorithms versus ANN-Assisted Goal Attainment Method

Micromachines, 2022
This work is dedicated to parameter optimization for a self-biased amplifier to be used in preamplifiers for the diagnosis of seizures in neuro-diseases such as epilepsy.
Swagata Devi, Koushik Guha, Olga Jakšić, Krishna Lal Baishnab, Zoran Jakšić   +4 more
doaj   +1 more source

A Universal van der Waals Tunneling Injector for Monolayer CMOS

Advanced Materials, EarlyView.
A universal van der Waals injector unlocks polarity‐flexible tunneling contacts for monolayer CMOS. SnSe2, an intrinsically degenerate 2D semiconductor, establishes polarity‐specific band alignments with both WSe2 and MoS2 channels, enabling steep switching, high on/off ratios, and a unified route to low‐power 2D logic.
Hanbin Cho, Jing Huang, Seonguk Yang, Subin Im, Sangwoo Park, Jeongin Yeo, Sungyeon Kim, Gilhwan Do, Wenxuan Zhu, Soobeom Shin, Jongwon Lee, Yongjoon Shin, Do‐Sun Lee, Hu Young Jeong, Tae‐Eon Park, Jun Kang, Kyungmin Ko, Joonki Suh   +17 more
wiley   +1 more source

Flexible and Scalable 2D/3D Tin‐Based Perovskite Photodetectors via Inkjet Printing

Advanced Optical Materials, EarlyView.
Lead‐free tin‐based perovskite films are successfully fabricated via scalable inkjet printing on rigid and flexible substrates. Incorporating high‐purity precursors and dual‐layer encapsulation minimizes defects and eliminates oxidation. The resulting photodetectors demonstrate high responsivity, persistent photoconductivity, and excellent 30 day ...
Giovanni Vescio, Vladimir S. Chirvony, Isaac Suárez, Sandra Soriano, Jesús Sanchez‐Diaz, Wiktor Żuraw, Łukasz Przypis, Senol Öz, Kenneth Lobo, Sergi Hernández, Albert Cirera, Iván Mora‐Seró, Blas Garrido, Juan P. Martínez‐Pastor   +13 more
wiley   +1 more source

A Pollen‐Enhanced Bionic Mechanoreceptor Induced by Asymmetric Ionic Convection in Hydrogel for Sensory‐Augmented Prostheses

Advanced Science, EarlyView.
This work proposed a pollen‐enhanced bionic mechanoreceptor based on ionic convection. Leveraging the ion anchoring effect of the pollen particle, the output performance could be ∼12 times higher than the original state. By employing deep learning models as AI brains, the feasibility of a sensory‐augmented prosthesis consisting of a pollen‐enhanced ...
Zi Hao Guo, Jingyu Deng, Yanzhang Xu, Chenchen Zhou, Yangshi Shao, Xiong Pu, Munho Kim, Namjoon Cho   +7 more
wiley   +1 more source

Towards possible application of quantum magnetometers in nuclear magnetic logging tools

Учёные записки Казанского университета: Серия Физико-математические науки, 2018
One of the key problems of nuclear magnetic logging (NML) is the low sensitivity. As long ago as 1991, it was proposed to use superconducting quantum interferometers (SQUID) to increase the signal-to-noise ratio in the NMR logging devices.
A.S. Alexandrov, M.M. Doroginzkii, M.S. Tagirov, V.D. Skirda   +3 more
doaj  

Low Noise Low Power CMOS Telescopic-OTA for Bio-Medical Applications

Computers, 2016
The preamplifier block is crucial in bio-medical signal processing. The power intensive Operational Transconductance Amplifier (OTA) is considered, and the performance of preamplifier is studied.
Bellamkonda Saidulu, Arun Manoharan, Kumaravel Sundaram   +2 more
doaj   +1 more source

Synergistic Interface Engineering via Buffer Layer and UVO Treatment for High‐Performance PbS Quantum Dot Near‐Infrared Photodiodes

Advanced Science, EarlyView.
A dual‐interface strategy combining a solvent‐orthogonal Poly‐TPD buffer with UV–ozone tuning of PbS‐EDT reconstructs interfacial energetics and defect chemistry in PbS CQD photodiodes. The optimized interface suppresses shunt‐ and trap‐related leakage, reduces noise, and enables high‐detectivity near‐infrared detection with imaging capability ...
Chuan Wei, Jun Han, Ning Feng, Li Yan, Hao Sun, Yuanhong Gao, Meili Xu, Guodan Wei, Hong Meng   +8 more
wiley   +1 more source

A low-noise current preamplifier in 120 nm CMOS technology [PDF]

Advances in Radio Science, 2008
In this paper we examine the impact of deep sub-micron CMOS technology on analog circuit design with a special focus on the noise performance and the ability to design low-noise preamplifiers.
H. Uhrmann, W. Gaberl, H. Zimmermann
doaj