Results 91 to 100 of about 582 (118)

Broadband, low-noise heterojunction photodiodes enabled by simple and scalable transfer of carbon nanowalls

Scientific Reports
In this study, we report the fabrication and characterization of broadband photodetectors based on carbon nanowalls (CNWs) synthesized by inductively coupled plasma-enhanced chemical vapor deposition (ICP-PECVD).
Yerassyl Yerlanuly, Hryhorii P. Parkhomenko, Rakhymzhan Ye. Zhumadilov, Renata R. Nemkayeva, Baglan A. Kyrykbay, Mykhailo M. Solovan, Andrii I. Mostovyi, Tlekkabul S. Ramazanov, Maratbek T. Gabdullin, Askhat N. Jumabekov, Viktor V. Brus   +10 more
doaj   +1 more source

Microwave Kinetic Inductance Detector Made of Molecular Beam Epitaxy (MBE)-Grown MgB2 Film

Nanomaterials
We present a MgB2-based Microwave Kinetic Inductance Detector (MKID) featuring a quality factor Qi ~ 105 and noise equivalent power NEP ~ 10−14 W/Hz at 2 K.
Ariel Roitman, Corentin Pfaff, Thomas Hauet, Avner Shaulov, Yosef Yeshurun   +4 more
doaj   +1 more source

Electrical NEP in Hot-Electron Titanium Superconducting Bolometers

, 2008
We are presenting the current progress on the titanium (Ti) hot-electron transition-edge devices. The ultimate goal of this work is to develop a submillimeter Hot-Electron Direct Detector (HEDD) with the noise equivalent power NEP = 10(sup -1) - 10(sup ...
Sergeev, Andrei V., Olaya, David, Pereverzev, Sergey V., Gershenson, Michael E., Wei, Jian, Karasik, Boris S.   +5 more
core  

Enhancement of Photodetector Characteristics by Zn-Porphyrin-Passivated MAPbBr₃ Single Crystals

Nanomaterials
Perovskite single crystals have garnered significant interest in photodetector applications due to their exceptional optoelectronic properties. The outstanding crystalline quality of these materials further enhances their potential for efficient charge ...
Abdul Kareem Kalathil Soopy, Shengzhong (Frank) Liu, Adel Najar   +2 more
doaj   +1 more source

140-220-GHz DHBT Detectors

, 2013
This paper discusses G-band (140-220 GHz) detectors based on a 250-nm InP-InGaAs-InP double heterojunction bipolar transistor process available from the Teledyne Scientific Company.
Kozhuharov, Rumen,, Lai, Szhau,, Vassilev, Vessen,, Lai, Szhau, Zirath, Herbert,, Vassilev, Vessen, Zirath, Herbert, Kozhuharov, Rumen, Lai, Sz-Hau   +8 more
core   +1 more source

Uncooled, broadband terahertz bolometers using SOI MEMS beam resonators with piezoresistive readout

Microsystems & Nanoengineering
Terahertz (THz) detectors using MEMS resonators have attracted great interests owing to their high sensitivity, rapid response, and room-temperature operation capability.
Ya Zhang, Kazuki Ebata, Mirai Iimori, Qian Liu, Zihao Zhao, Ryotaro Takeuchi, Hua Li, Kazusuke Maenaka, Kazuhiko Hirakawa   +8 more
doaj   +1 more source

Numerical modeling of detection in contacts of a bismuth-antimony alloy with different materials

Moldavian Journal of the Physical Sciences, 2013
Diode detectors (DDs) are widely used in electronic information and communication systems. In this paper, the numerical modeling of the electrical potential distribution and current passing in the contacts of a normal metal or a superconductor with a ...
Cherner, Iacov
doaj  

A CMOS 0.15-μm in-pixel noise reduction technique for readout of antenna-coupled FET-based THz detectors

, 2016
A test structure comprehending an antenna-coupled FET-based THz detector integrated with readout electronics is designed and fabricated in a 0.15-μm standard CMOS technology.
Moustafa Khatib
core  

All-Silicon Dual-Wavelength Hot-Electron Photodetector with Quasi-Omnidirectional Schottky Interface for Ultralow-Noise Equivalent Power Encrypted Demultiplexing Telecommunication

Sub-bandgap photodetection on all-silicon platforms through harvesting hot electrons from the nonradiative decay of surface plasmons presents significant potential for CMOS-compatible optoelectronics, enabling self-powered room-temperature operation ...
Jiong Yang (82529), Ying Luo (381053), Shaojun Wang (743003), Shaolong Wu (1823128), Yu Luo (277978), Stefan A Maier (1429372), Cheng Zhang (70708), Kai Wu (221862), Changxu Liu (21061712), Kai Zhang (102844), Xiaofeng Li (342614), Tong Yu (464972), Peiqing Sun (684613)   +12 more
core  

Detection in the contacts at low temperatures: effect of the free electron concentration on the detecting parameters

Moldavian Journal of the Physical Sciences, 2018
Diode detectors (DDs) are widely used in electronic information and communication systems. In this paper, the numerical modeling of the electrical potential distribution and current passing in the contacts of a normal metal or a superconductor with a ...
Cherner, Iacov
doaj