Results 11 to 20 of about 672,718 (300)

Model of AlGaN/GaN based on High Electron Mobility Transistors using SILVACO ATLAS™ [PDF]

E3S Web of Conferences
Since the introduction of semiconductors, the world has undergone numerous profound transformations during the past few decades. With advancements in technology, semiconductor products' performance requirements keep rising.
El-Yazami Chaimae, Bri Seddik, El Fadl Adiba   +2 more
doaj   +1 more source

Modal Analysis and Coupling in Metal-Insulator-Metal Waveguides [PDF]

, 2008
This paper shows how to analyze plasmonic metal-insulator-metal waveguides using the full modal structure of these guides. The analysis applies to all frequencies, particularly including the near infrared and visible spectrum, and to a wide range of ...
A. Zettl, B. Friedman, C. F. Bohren, D. A. B. Miller, D. Marcuse, David A. B. Miller, E. Kreyszig, G. W. Hanson, Georgios Veronis, J. Lekner, J. Locker, K. Y. Kim, L. P. Felsen, M. Mrozowski, N. W. Ashcroft, P. J. B. Clarricoats, R. E. Collin, R. V. Churchill, Shanhui Fan, T. Rozzi, V. V. Shevchenko, W. C. Chew, Şükrü Ekin Kocabaş   +22 more
core   +3 more sources

MAX-DOAS measurements of tropospheric NO₂ and HCHO in Munich and the comparison to OMI and TROPOMI satellite observations [PDF]

Atmospheric Measurement Techniques, 2020
We present two-dimensional scanning Multi-AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) observations of nitrogen dioxide (NO2) and formaldehyde (HCHO) in Munich.
K. L. Chan, M. Wiegner, J. van Geffen, I. De Smedt, C. Alberti, C. Alberti, Z. Cheng, S. Ye, M. Wenig   +8 more
doaj   +1 more source

Higher performance enhancement of direct torque control by using Space Vector Modulation for doubly fed induction machine [PDF]

E3S Web of Conferences
This research work aims at current literature review and extensive performance improvement in Direct Torque Control using Space Vector Modulation (DTC-SVM) by considering Doubly Fed Induction Machines.
Gouaamar Radouan, El Fadl Adiba, Bri Seddik, Mekrini Zineb   +3 more
doaj   +1 more source

CMOS compatible metamaterial absorbers for hyperspectral medium wave infrared imaging and sensing applications [PDF]

, 2018
We experimentally demonstrate a CMOS compatible medium wave infrared metal-insulator-metal (MIM) metamaterial absorber structure where for a single dielectric spacer thickness at least 93% absorption is attained for 10 separate bands centred at 3.08, 3 ...
Cumming, David S., Escorcia-Carranza, Ivonne, Grant, James, Kenney, Mitchell, Shah, Yash D.   +4 more
core   +1 more source

Stacked optical antennas for plasmon propagation in a 5 nm-confined cavity [PDF]

, 2015
The sub-wavelength concentration and propagation of electromagnetic energy are two complementary aspects of plasmonics that are not necessarily co-present in a single nanosystem.
De Angelis, F., Dipalo, M., Liberale, C., Messina, G.C., Panaro, S., Raja, W., Saeed, A., Toma, A., Wang, H., Zaccaria, R. Proietti   +9 more
core   +1 more source

Software compatibility analysis for quantitative measures of [18F]flutemetamol amyloid PET burden in mild cognitive impairment

EJNMMI Research, 2023
Rationale Amyloid-β (Aβ) pathology is one of the earliest detectable brain changes in Alzheimer’s disease pathogenesis. In clinical practice, trained readers will visually categorise positron emission tomography (PET) scans as either Aβ positive or ...
Hugh G. Pemberton, Christopher Buckley, Mark Battle, Ariane Bollack, Vrajesh Patel, Petya Tomova, David Cooke, Will Balhorn, Katherine Hegedorn, Johan Lilja, Christine Brand, Gill Farrar   +11 more
doaj   +1 more source

Compute Optimization of Petri Net Controllers Using the Algebraic Method

Applied Sciences, 2019
This study attempted to calculate an optimal Petri net supervisor able to respect the control specifications imposed for a flexible manufacturing system. There are several theories around the control synthesis of discrete event systems.
Sadok Rezig, Sadok Turki, Nidhal Rezg
doaj   +1 more source

Mathematical Model for Production Plan Optimization—A Case Study of Discrete Event Systems

Mathematics, 2020
This paper proposes an optimal scheduling model under production and maintenance constraints for a real case of a discrete event system. The intent was to use the rich mathematical theory and algorithms of optimization in the study of this important ...
Sadok Rezig, Wajih Ezzeddine, Sadok Turki, Nidhal Rezg   +3 more
doaj   +1 more source

Plasmonic Tamm states: second enhancement of light inside the plasmonic waveguide [PDF]

, 2014
A type of Tamm states inside metal-insulator-metal (MIM) waveguides is proposed. An impedance based transfer matrix method is adopted to study and optimize it.
Cai, Wei, Wang, Pidong, Xiang, Yinxiao, Xu, Jingjun, Ying, Cuifeng, Zhang, Xinzheng   +5 more
core   +1 more source