Results 11 to 20 of about 1,258,168 (308)

Local order measurement in SnGe alloys and monolayer Sn films on Si with reflection electron energy loss spectrometry [PDF]

open access: yes, 1995
Measurements of local order are demonstrated in Sn-containing alloys and epitaxial monolayer thickness films by analysis of extended-edge energy loss fine structure (EXELFS) data obtained by reflection electron energy loss spectrometry (REELS).
Ahn, Channing C.   +4 more
core   +1 more source

Reflection losses in polystyrene fibres [PDF]

open access: yesNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1991
Abstract The reflection losses, which occur during light guidance through polystyrene fibres of 30 μm diameter at their core-cladding interface, have been determined in order to evaluate their contribution to the total light attenuation of scintillating fibres.
C. D'Ambrosio   +5 more
openaire   +1 more source

Transmission enhancement in loss-gain multilayers by resonant suppression of reflection [PDF]

open access: yes, 2017
Using the transfer-matrix approach and solving time-domain differential equations, we analyze the loss compensation mechanism in multilayer systems composed of an absorbing transparent conductive oxide and dielectric doped with an active material.
Lavrinenko, Andrei V.   +4 more
core   +2 more sources

Investigation of the Broadband Microwave Absorption of Citric Acid Coated Fe3O4/PVDF Composite Using Finite Element Method

open access: yesApplied Sciences, 2019
Magnetite (Fe3O4) have been thoroughly investigated as microwave absorbing material due to its excellent electromagnetic properties (permittivity and permeability) and favorable saturation magnetization.
Lawal Lanre Adebayo   +5 more
doaj   +1 more source

Physical and Microwave Absorption Characteristics of High Powered Ultrasonically Irradiated Crystalline BaFe9Mn1.5Ti1.5O19 Particles

open access: yesInternational Journal of Technology, 2020
Barium hexaferrite (BHF) with the chemical formula BaFe12O19 is a well-known permanent magnet and is still primarily used in various electrical devices.
Erlina Yustanti   +2 more
doaj   +1 more source

The Improved Microwave Absorption Performance of the 3D Porous (Ni@NO-C)n/NO-C Composite Absorber

open access: yesNanomaterials, 2023
Microwave absorbers that are lightweight and have good stability and high efficiency have attracted much attention for their applications in many contemporary fields.
Xinmeng Jia   +3 more
doaj   +1 more source

In situ real-time analysis of alloy film composition and segregation dynamics with parallel detection reflection electron energy loss spectroscopy [PDF]

open access: yes, 1997
Real-time measurements of GexSi1 – x/Si(001) composition and segregation dynamics in Sn/Si(001) in molecular beam epitaxy are demonstrated using parallel detection reflection electron energy loss spectroscopy.
Ahn, C. C.   +6 more
core   +1 more source

Measurements of Antenna Surface for Millimeter-Wave Space Radio Telescope [PDF]

open access: yes, 2010
In the construction of a space radio telescope, it is essential to use materials with a low noise factor and high mechanical robustness for the antenna surface.
Doi, Akihiro   +3 more
core   +1 more source

Responses of Polystyrene/MWCNT Nanocomposites to Electromagnetic Waves and the Effect of Nanotubes Dispersion [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2014
Electromagnetic compatibility (EMC) and electromagnetic interference (EMI) have emerged as key issues with respect to commercial and military purposes in association with electromagnetic waves.
Ehsan Aghajari   +4 more
doaj   +1 more source

Reflection electron energy loss spectroscopy during initial stages of Ge growth on Si by molecular beam epitaxy [PDF]

open access: yes, 1991
Using a conventional reflection high-energy electron diffraction gun together with an electron energy loss spectrometer, we have combined in situ measurements of inelastic scattering intensities from Si L2,3 and Ge L2,3 core losses with reflection ...
Ahn, Channing C., Atwater, Harry A.
core   +1 more source

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