Results 31 to 40 of about 33,408 (118)

Influence of the Dielectric PMMA Layer on the Detectivity of Pentacene-Based Photodetector With Field-Effect Transistor Configuration in Visible Region

IEEE Photonics Journal, 2013
In this paper, the influence of dielectric polymethylmethacrylate (PMMA) layer on the detectivity of pentacene-based photodetectors with field-effect transistor (FET) configuration were investigated in a visible region.
D. Yang, L. Zhang, S. Y. Yang, B. S. Zou
doaj   +1 more source

Bolometer Detector Modeling and its Performance Indexes [PDF]

Engineering and Technology Journal, 2012
Bolometer detector is one of thermal detectors. In this research the essential concepts and parameters are included which cover the main types of bolometer detectors.
Mehdi Munshid Shellal
doaj   +1 more source

Electrical and Photovoltaic Properties of In-pSi Contact [PDF]

Engineering and Technology Journal, 2007
In the present work, the electrical and photovoltaic properties of In-pSi contact were investigated for the first time. Two creditable methods were used to determine the value of barrier height for this contact.
Khalid Yahya
doaj   +1 more source

Modelling of High Quantum Efficiency Avalanche Photodiode

Iranian Journal of Electrical and Electronic Engineering, 2019
A model of a low noise high quantum efficiency n+np Germanium Photodiode utilizing ion implantation technique and subsequent drive-in diffusion in the n layer is presented.
T. Baldawi, A. Abuelhaija
doaj  

Digital relational competence: Sensitivity and responsivity to needs of distance and co-located students

Seminar.net, 2018
Being relationally competent is an essential skill for teachers. This involves, for example, skills in social interaction, emotional communication, and human connection. Two key factors for relational competence are teachers’ sensitivity and responsivity
Annika Wiklund-Engblom
doaj  

Electronically Coupled Heterojunctions Based on Graphene and Cu2−xS Nanocrystals: The Effect of the Surface Ligand

Molecules
Optoelectronic devices combining single-layer graphene (SLG) and colloidal semiconducting nanocrystal (NC) heterojunctions have recently gained significant attention as efficient hybrid photodetectors.
Ju Y. Shang, Mariangela Giancaspro, Adriana Grandolfo, Rafique A. Lakho, Elisabetta Fanizza, Suraj K. Patel, Giuseppe Valerio Bianco, Marinella Striccoli, Chiara Ingrosso, Oscar Vazquez-Mena, M. Lucia Curri   +10 more
doaj   +1 more source

A Graphene Geometric Diode with the Highest Asymmetry Ratio and Three States Gate‐Tunable Rectification Ability

Advanced Electronic Materials
Graphene geometric diodes, with applications in THz detection, energy harvesting, and high‐speed rectification, have been previously constrained by graphene quality and geometry feature size.
Heng Wang, Maolin Chen, Yiming Yang, Yinchang Ma, Linqu Luo, Chen Liu, Igor Getmanov, Thomas D. Anthopoulos, Xixiang Zhang, Atif Shamim   +9 more
doaj   +1 more source

Broadband Graphene-PbS Heterostructure Photodetector with High Responsivity

Nanomaterials
Graphene-based photodetectors exhibit relatively low spectral absorption and rapid recombination of photogenerated carriers, which can limit their response performance.
Xinbo Mu, Jinbao Su, Wenjuan Zhou, Pengying Chang, Jun Deng, Ying Liu, Zhengtai Ma, Yiyang Xie   +7 more
doaj   +1 more source

On-Chip Modification of Titanium Electrothermal Characteristics by Joule Heating: Application to Terahertz Microbolometer

Nanomaterials
This study demonstrates the conversion of metallic titanium (Ti) to titanium oxide just by conducting electrical current through Ti thin film in vacuum and increasing the temperature by Joule heating. This led to the improvement of electrical and thermal
Durgadevi Elamaran, Ko Akiba, Hiroaki Satoh, Amit Banerjee, Norihisa Hiromoto, Hiroshi Inokawa   +5 more
doaj   +1 more source

Enhancing Ultraviolet Responsivity of GaN p-i-n Photodetectors Through Full Depletion Thin-Layer Doping-Induced Carrier Transport Modulation

IEEE Journal of the Electron Devices Society
High-performance GaN-based ultraviolet (UV) photodetectors (PDs) are essential for applications in harsh-environment sensing, space-based UV monitoring, and high-speed optical communications.
Shishun Yang, Yaxuan Liu, Huiyi Zhang, Hanlin Li, Jun Wang   +4 more
doaj   +1 more source