Results 21 to 30 of about 234,397 (278)

On the effect of superfluid flows on the interaction of microwaves with He II [PDF]

open access: yes, 2012
The paper proposes a possible mechanism of interaction of microwaves with superfluid helium that results in an experimentally observed narrow peak of microwave absorption on the frequencies by the order of the roton frequency.
Khodusov, V. D., Naumovets, A. S.
core   +4 more sources

Microwave absorption of aluminum/hydrogen treated titanium dioxide nanoparticles

open access: yesJournal of Materiomics, 2019
Interactions between incident electromagnetic energy and matter are of critical importance for numerous civil and military applications such as photocatalysis, solar cells, optics, radar detection, communications, information processing and transport et ...
Michael Green   +6 more
doaj   +1 more source

Microwave absorption of magnesium/hydrogen-treated titanium dioxide nanoparticles

open access: yesNano Materials Science, 2019
Interactions between materials and electromagnetic irradiations in the microwave frequency are critical for many civil and military applications, such as radar detection, communications, information processing and transport et al.
Michael Green   +5 more
doaj   +1 more source

Uniformly coating MnOx nanoflakes onto carbon nanofibers as lightweight and wideband microwave absorbers with frequency-selective absorption

open access: yesMaterials & Design, 2019
Microwave absorption materials have drawn significant attention due to their potential application in information safety and military stealth. In this work, we report a facile strategy to synthesize carbon nanofiber/MnOx core-shell composites (CNF@MnOx ...
Xuefei Xu   +5 more
doaj   +1 more source

In Situ Formation of CoS2 Hollow Nanoboxes via Ion-Exchange for High-Performance Microwave Absorption

open access: yesNanomaterials, 2022
Hollow nanoboxes structure have raised great attention as microwave absorption materials on account of their ultralow density and large specific area. By introducing an adjustable interior cavity structure, the dielectric loss and microwave absorption ...
Dongwei Xu   +6 more
doaj   +1 more source

Nonresonant microwave absorption in epitaxial La-Sr-Mn-O films and its relation to colossal magnetoresistance [PDF]

open access: yes, 2007
We study magnetic-field-dependent nonresonant microwave absorption and dispersion in thin La$_{0.7}$Sr$_{0.3}$MnO$_{3}$ films and show that it originates from the colossal magnetoresistance.
A. G. Gurevich   +8 more
core   +2 more sources

Structural, microstructural, magnetic and electromagnetic absorption properties of spiraled multiwalled carbon nanotubes/barium hexaferrite (MWCNTs/BaFe12O19) hybrid

open access: yesScientific Reports, 2021
Microwave absorption properties were systematically studied for synthesised barium hexaferrite (BaFe12O19) nanoparticles and spiraled multiwalled carbon nanotubes (MWCNTs) hybrid.
Nurshahiera Rosdi   +5 more
doaj   +1 more source

Broadband Microwave Absorption by Logarithmic Spiral Metasurface [PDF]

open access: yesScientific Reports, 2019
AbstractMetamaterials have enabled the design of electromagnetic wave absorbers with unprecedented performance. Conventional metamaterial absorbers usually employ multiple structure components in one unit cell to achieve broadband absorption. Here, a simple metasurface microwave absorber is proposed that has one metal-backed logarithmic spiral ...
Shubo Wang, Bo Hou, Che Ting Chan
openaire   +4 more sources

Effect of PVA concentration on microwave absorption properties of ZnO nanofibers prepared by electrospinning

open access: yesJournal of Aeronautical Materials, 2022
ZnO nanofibers were prepared by electrospinning method in this work. The effects of PVA concentration on the morphology, dielectric properties and microwave absorption properties of ZnO nanofibers were studied. Results show that with the concentration of
CHEN Dan   +4 more
doaj   +1 more source

The bulk Josephson responce of the d-g-wave cuprate superconductor

open access: yes, 1997
We consider the implications of the small Fermi surface for the ab-plane microwave absorption. The small Fermi surface results in two superconducting condensates.
Aebi   +24 more
core   +1 more source

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