Articles with "reflectivity" as a keyword



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Employing Surface Curvature for Spatially Resolved X‐Ray Reflectivity: Graphene Domains on Liquid Copper

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Published in 2023 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202300053

Abstract: Here the possibility of utilizing X‐ray reflectivity for visualization with ≈µm spatial resolution of a surface with a heterogeneous electron density due to a partial coverage by another nanometrically thin material is demonstrated. It requires… read more here.

Keywords: resolved ray; surface; reflectivity; spatially resolved ... See more keywords
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Targeted covariance inflation for 3D‐volume radar reflectivity assimilation with the LETKF

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Published in 2021 at "Quarterly Journal of the Royal Meteorological Society"

DOI: 10.1002/qj.4157

Abstract: The local ensemble transform Kalman filter (LETKF) suggested by Hunt et al., 2007 is a very popular method for ensemble data assimilation. It is the operational method for convective‐scale data assimilation at Deutscher Wetterdienst (DWD).… read more here.

Keywords: covariance inflation; reflectivity; assimilation; letkf ... See more keywords
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Computational Optimizing the Electromagnetic Wave Reflectivity of Double‐Layered Polymer Nanocomposites

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Published in 2022 at "Small Methods"

DOI: 10.1002/smtd.202101510

Abstract: Double‐layered absorption‐dominated electromagnetic interference (EMI) shielding composites are highly desirable to prevent secondary electromagnetic wave pollution. However, it is a tremendous challenge to optimize the shielding performance via the trial‐and‐error method due to the low… read more here.

Keywords: double layered; electromagnetic wave; reflectivity; emi shielding ... See more keywords
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Metallic origami metastructures for high-temperature low electromagnetic reflectivity

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Published in 2019 at "Journal of Materials Science"

DOI: 10.1007/s10853-019-03348-4

Abstract: Since broad temperature range electromagnetic attenuation materials and structures are conventionally manufactured based on ceramic-based materials and composites, an alternative strategy is developed here to construct metal electromagnetic metastructures based on triangulated cylindrical origami design… read more here.

Keywords: temperature range; temperature; origami; broad temperature ... See more keywords
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Design of high-reflectance ceramic materials based on the first-principle calculation

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-04364-5

Abstract: There is a wide range of application requirements of high-infrared-reflectance materials, like laser, marine, aerospace industry and military. Although metal materials have high reflectivity, oxidation and low melting point limit its applications. Ceramic materials have… read more here.

Keywords: ceramic materials; high reflectance; reflectivity; reflectance ... See more keywords
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Multi-trace nonstationary sparse inversion with structural constraints

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Published in 2020 at "Acta Geophysica"

DOI: 10.1007/s11600-020-00430-3

Abstract: The recorded seismic signals are attenuated and spatially correlated due to their propagation through an elastic earth and the sedimentary rule of strata. This attenuation phenomenon is quantified by means of the earth quality factor… read more here.

Keywords: inversion; sparse; multi trace; trace nonstationary ... See more keywords
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Influence of pyramid size on reflectivity of silicon surfaces textured using an alkaline etchant

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Published in 2019 at "Bulletin of Materials Science"

DOI: 10.1007/s12034-019-1848-7

Abstract: Surface texturing of p-type monocrystalline silicon (100) is well known as one of the best methods to reduce reflection losses and to increase light trapping and light absorption probability. Pyramid surface textures play a major… read more here.

Keywords: size; silicon; pyramid size; reflectivity ... See more keywords
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Effect of rubidium incorporation on the optical properties and intermixing in Mo/Si multilayer mirrors for EUV lithography applications

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.144951

Abstract: Abstract High reflectivity and long-term stability in multilayer mirrors (MLMs) are crucial for extreme ultraviolet (EUV) photolithography. The conventional base stack to reflect 13.5 nm light is a Mo/Si multilayer, which offers a maximum theoretical reflectivity… read more here.

Keywords: euv lithography; reflectivity; effect; rubidium ... See more keywords
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Low threshold and high reflectivity of optical phase conjugate mode in transversely magnetized semiconductors

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Published in 2019 at "Optik"

DOI: 10.1016/j.ijleo.2019.04.106

Abstract: Abstract In this paper, we developed a theoretical formulation to obtain threshold and reflectivity of optical phase conjugate mode (OPCM) in transversely magnetized semiconductors. Expressions are obtained for threshold value of pump intensity and reflectivity… read more here.

Keywords: optical phase; reflectivity; phase conjugate; reflectivity optical ... See more keywords
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Controllable near-infrared reflectivity and infrared emissivity with substitutional iron-doped orthorhombic YMnO3 coatings

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Published in 2020 at "Solar Energy"

DOI: 10.1016/j.solener.2020.06.063

Abstract: Abstract High near-infrared (NIR) reflectivity and infrared emissivity are desired in cooling pigments used in exterior coating of buildings. More importantly, controllable infrared emission and NIR reflectivity are needed for the next generation buildings. In… read more here.

Keywords: infrared emissivity; orthorhombic ymno3; reflectivity infrared; substitutional iron ... See more keywords
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Spectral hemispherical reflectivity of nonstoichiometric cerium dioxide

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Published in 2017 at "Solar Energy Materials and Solar Cells"

DOI: 10.1016/j.solmat.2016.08.036

Abstract: Abstract Nonstoichiometric ceria, CeO 2- δ , has emerged as a promising redox material for thermochemically splitting H 2 O and CO 2 using concentrated solar energy. Knowledge of its radiative properties is crucial for… read more here.

Keywords: hemispherical reflectivity; spectral hemispherical; cerium dioxide; reflectivity ... See more keywords