Results 31 to 40 of about 905 (178)

Investigating and Studying the Modifications of Nano and Micro-sized Amorphous Materials Under the Influence of a High Energy Radiation

open access: yesARO-The Scientific Journal of Koya University, 2023
This research explored the behavior of glass when bombarded by high-energy radiation, especially electron beams inside transmission electron microscopy (TEM). Six types of glasses are investigated under e-beam.
Mohammed F. Sabri
doaj   +1 more source

Electron energy spectrum and oscillator strengths of quantum transitions in double quantum ring nanostructure driven by electric field

open access: yesCondensed Matter Physics, 2018
The effect of homogeneous electric field on the energy spectrum, wave functions of electron and oscillator strengths of intra-band quantum transitions in a double cylindrical quantum ring (GaAs/Al_{x}Ga_{1-x}As) is studied within the approximations of ...
O.M. Makhanets, V.I. Gutsul, A.I. Kuchak
doaj   +1 more source

A nonlinear magnonic nano-ring resonator

open access: yesnpj Computational Materials, 2020
The field of magnonics, which aims at using spin waves as carriers in data-processing devices, has attracted increasing interest in recent years. We present and study micromagnetically a nonlinear nanoscale magnonic ring resonator device for enabling ...
Qi Wang   +7 more
doaj   +1 more source

Antibacterial effect of silver nanorings [PDF]

open access: yesBMC Microbiology, 2019
Abstract Background: The emergence and expansion of antibiotic resistance makes it necessary to have alternative anti-infective agents, among which silver nanoparticles (AgNPs) display especially interesting properties. AgNPs carry out their antibacterial action through various molecular mechanisms, and the magnitude of the observed effect is ...
Sara González-Fernández   +8 more
openaire   +4 more sources

Optimization of the Split-Spinach Aptamer for Monitoring Nanoparticle Assembly Involving Multiple Contiguous RNAs

open access: yesNanomaterials, 2019
The fact that structural RNA motifs can direct RNAs to fold and self-assemble into predictable pre-defined structures is an attractive quality and driving force for RNA’s use in nanotechnology.
Jack M. O’Hara   +4 more
doaj   +1 more source

Author Correction: A nonlinear magnonic nano-ring resonator

open access: yesnpj Computational Materials, 2021
A Correction to this paper has been published: https://doi.org/10.1038/s41524-021-00497 ...
Qi Wang   +7 more
doaj   +1 more source

Nanowires and Nanorings at the Atomic Level [PDF]

open access: yesPhysical Review Letters, 2003
The step-flow growth mode is used to fabricate Si and Ge nanowires with a width of 3.5 nm and a thickness of one atomic layer (0.3 nm) by self-assembly. Alternating deposition of Ge and Si results in the formation of a nanowire superlattice covering the whole surface.
Kawamura, M.   +3 more
openaire   +3 more sources

Lasing Actions in GaN Tiny Hexagonal Nanoring Resonators

open access: yesIEEE Photonics Journal, 2010
We achieved optically pumped lasing actions of extremely small optical resonators, which have 1.4-2-μm-diameter GaN hexagonal nanorings with wall widths of 60-140 nm.
Tetsuya Kouno   +3 more
doaj   +1 more source

Novel layout of a bi-metallic nanoring for magnetic field pulse generation from light

open access: yesNew Journal of Physics, 2015
Recently Tsiatmas et al proposed using a nanoring made of two different metallic sectors to generate a magnetic pulse from a laser pulse [ 1 ]. Non-uniform heating of the ring creates very large temperature gradients, which drive thermoelectric currents,
Guillaume Vienne   +5 more
doaj   +1 more source

Colloidal lead iodide nanorings

open access: yesNanoscale, 2018
We present the synthesis and characterization of PbI 2 nanorings prepared via a direct colloidal route. The ring structures are obtained by etching as prepared PbI 2 nanosheets with trioctylphosphine and possess ...
Eugen Klein   +4 more
openaire   +7 more sources

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