Results 21 to 30 of about 11,037,086 (263)

An ab initio study on resistance switching in hexagonal boron nitride

open access: yesnpj 2D Materials and Applications, 2022
Two-dimensional materials have been widely investigated to implement memristive devices for data storage or neuromorphic computing applications because of their ultra-scaled thicknesses and clean interfaces. For example, resistance switching in hexagonal
Fabian Ducry   +7 more
doaj   +1 more source

Topological responses from chiral anomaly in multi-Weyl semimetals [PDF]

open access: yes, 2017
Multi-Weyl semimetals are a kind of topological phase of matter with discrete Weyl nodes characterized by multiple monopole charges, in which the chiral anomaly, the anomalous nonconservation of an axial current, occurs in the presence of electric and ...
Huang, Ze-Min   +2 more
core   +2 more sources

ELECTROMAGNETIC FIELDS ON FRACTALS [PDF]

open access: yesModern Physics Letters A, 2006
Fractals are measurable metric sets with non-integer Hausdorff dimensions. If electric and magnetic fields are defined on fractal and do not exist outside of fractal in Euclidean space, then we can use the fractional generalization of the integral Maxwell equations. The fractional integrals are considered as approximations of integrals on fractals. We
openaire   +3 more sources

The effects of electric, magnetic and electromagnetic fields on microorganisms in the perspective of bioremediation

open access: yesReviews in Environmental Science and Bio\/technology, 2019
Some studies show how exposure to fields can enhance or reduce cell activity, with possible applicative consequences in the field of biotechnology, including biological techniques for depollution.
G. Beretta   +4 more
semanticscholar   +1 more source

Electromagnetic fields [PDF]

open access: yesFood and Chemical Toxicology, 1995
Biological Effects of Environmental Electromagnetic Fields: An Overview Spectrum and Intensity of Environmental Electromagnetic Fields from Natural and Man-Made Sources Typical Electric and Magnetic Field Exposures at Power-Line Frequencies and Their Coupling to Biological Systems Bioelectromagnetic Dosimetry Issues Relating to Causality of ...
openaire   +2 more sources

Optical Transmitters without Driver Amplifiers—Optimal Operation Conditions

open access: yesApplied Sciences, 2018
An important challenge in optical communications is the generation of highest-quality waveforms with a Mach–Zehnder modulator with a limited electrical swing (Vpp).
Arne Josten   +4 more
doaj   +1 more source

Picosecond Time‐Scale Resistive Switching Monitored in Real‐Time

open access: yesAdvanced Electronic Materials, 2023
The resistance state of filamentary memristors can be tuned by relocating only a few atoms at interatomic distances in the active region of a conducting filament.
Miklós Csontos   +6 more
doaj   +1 more source

Towards Electrothermal Optimization of a HVDC Cable Joint Based on Field Simulation

open access: yesEnergies, 2021
Extruded high-voltage direct current cable systems transmit electric power over long distances. Numerical field simulation can provide access to the internal electrothermal behavior of cable joints, which interconnect cable sections.
Yvonne Späck-Leigsnering   +4 more
doaj   +1 more source

Modeling and Analytical Description of Parasitic Probe Effects in Measurements of Conductor-Backed Coplanar Waveguides [PDF]

open access: yesAdvances in Radio Science, 2023
On-wafer measurements are of fundamental importance to the characterization of active and passive devices at millimetre-wave frequencies. They have been commonly known to be ambitious and challenging due to the occurrence of parasitic effects originating
G. N. Phung, G. N. Phung, U. Arz
doaj   +1 more source

Plasmonic IQ modulators with attojoule per bit electrical energy consumption

open access: yesNature Communications, 2019
Increasing bandwidth demands in optical communications requires components to be compact with energy-efficient operation. Here, the authors demonstrate plasmonic IQ modulators on a silicon photonics platform with phase shifters, operating with sub-1V ...
Wolfgang Heni   +12 more
doaj   +1 more source

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