Results 11 to 20 of about 211,716 (291)

Estimation of S-Parameters and Dielectric Permittivity of Polycor and GaAs Samples Using a Vector Network Analyzer

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2023
To study the S-parameters and dielectric permittivity of polycor and GaAs samples, a vector network analyzer R4-MWM-118 with a special measuring cell and a modified Nicholson–Ross–Weir method were used.
D. A. Kondrashov   +4 more
doaj   +1 more source

The proton flux influence on electrical characteristics of a dual-channel hemt based on GaAs

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2022
The results of the simulation the influence of the proton flux on the electrical characteristics of the device structure of dual-channel high electron mobility field effect transistor based on GaAs are presented.
I. Yu. Lovshenko   +7 more
doaj   +1 more source

Near-infrared photoluminescence in n-GaAs/AlGaAs quantum wells with different locations of compensating acceptor impurity

open access: yesSt. Petersburg Polytechnical University Journal: Physics and Mathematics, 2022
In the paper, comparative studies of near-IR photoluminescence (PL) in structures with GaAs/AlGaAs quantum wells possessing different selective doping profiles have been performed.
Adamov Roman   +7 more
doaj   +1 more source

Magnetization in AIIIBV semiconductor heterostructures with the depletion layer of manganese [PDF]

open access: yes, 2014
The magnetic moment and magnetization in GaAs/Ga$_{0.84}$In$_{0.16}$As/GaAs heterostructures with Mn deluted in GaAs cover layers and with atomically controlled Mn $\delta$-layer thicknesses near GaInAs-quantum well ($\sim$3 nm) in temperature range T=(1.
A. Gubkin   +9 more
core   +2 more sources

Improved estimation for Saleh model and predistortion of power amplifiers using 1-dB compression point

open access: yesThe Journal of Engineering, 2019
This paper proposes an improved estimation approach for modelling RF power amplifiers (PAs) using the Saleh behavioural model. The proposed approach is appropriate for solid-state PA technologies.
Haider Al-kanan, Xianzhen Yang, Fu Li
doaj   +1 more source

Novel vortex phases and vortex manipulation in highly anisotropic superconductors by Scanning Hall Probe Microscopy (SHPM) [PDF]

open access: yesKirkuk Journal of Science, 2017
Scanning Hall probe microscopy (SHPM) has been used to demonstrate the interaction of pancake vortices with the Josephson vortex lattice in Bi2Sr2CaCu2O8+δ (2212) single crystals at large in-plane fields in the ‘‘crossing lattices” regime of highly ...
Hussein Ali Mohammed
doaj   +1 more source

Sequential nature of damage annealing and activation in implanted GaAs [PDF]

open access: yes, 1989
Rapid thermal processing of implanted GaAs reveals a definitive sequence in the damage annealing and the electrical activation of ions. Removal of implantation-induced damage and restoration of GaAs crystallinity occurs first.
Bai, G.   +4 more
core   +1 more source

Research on HEMT device parameter extraction method based on artificial neural network

open access: yesDianzi Jishu Yingyong, 2020
Artificial neural network(ANN) is used to extract scattering parameters and noise parameters of GaAs high electron mobility transistors with different frequency bands and gate widths.
Huang Xingyuan, Qin Jian
doaj   +1 more source

Comparative Transcriptome Profiling Reveals Defense-Related Genes Against Ralstonia solanacearum Infection in Tobacco

open access: yesFrontiers in Plant Science, 2021
Bacterial wilt (BW) caused by Ralstonia solanacearum (R. solanacearum), is a vascular disease affecting diverse solanaceous crops and causing tremendous damage to crop production.
Xiaoying Pan   +12 more
doaj   +1 more source

Strong extinction of a far-field laser beam by a single quantum dot [PDF]

open access: yes, 2007
Through the utilization of index-matched GaAs immersion lens techniques we demonstrate a record extinction (12%) of a far-field focused laser by a single InAs/GaAs quantum dot.
Abouraddy A. F.   +22 more
core   +1 more source

Home - About - Disclaimer - Privacy