Articles with "broadband dielectric" as a keyword



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Broadband dielectric and ultrasonic properties of WS2 nanotubes/polyurethane composites

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Published in 2018 at "Polymer Composites"

DOI: 10.1002/pc.24554

Abstract: Broadband dielectric properties of tungsten disulfide (WS2) nanotubes/polyurethane (PU) composites over a wide temperature range (300 K–450 K) are presented for concentrations up to 2 wt%. Although no electrical percolation was observed in composites, at… read more here.

Keywords: ws2 nanotubes; temperature; relaxation; polyurethane composites ... See more keywords
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Gelcasting of Al2O3–W composites: Broadband dielectric spectroscopy and rheological studies of tungsten influence on polymerisation kinetics

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Published in 2019 at "Ceramics International"

DOI: 10.1016/j.ceramint.2019.05.012

Abstract: Abstract Gelcasting is a method which allows for the production of high-quality ceramic-metal composites. In this work, the problem of local polymerisation in gelcasting of alumina-tungsten composite and metal influence on activation energy of glycerol… read more here.

Keywords: dielectric spectroscopy; broadband dielectric; metal; spectroscopy ... See more keywords
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Broadband dielectric spectroscopy as an experimental alternative to calorimetric determination of the solubility of drugs into polymer matrix: Case of flutamide and various polymeric matrixes

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Published in 2019 at "European Journal of Pharmaceutics and Biopharmaceutics"

DOI: 10.1016/j.ejpb.2019.01.025

Abstract: Graphical abstract Figure. No Caption available. ABSTRACT In this paper we determined the solubility limits of the amorphous flutamide within the two different polymeric matrixes – poly vinylpyrrolidone and poly vinylacetate. In order to achieve… read more here.

Keywords: polymeric matrixes; solubility limits; broadband dielectric; solubility ... See more keywords
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Temperature dependent broadband dielectric, magnetic and electrical studies on Li1-Mg2Fe5-O8 for microwave devices

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Published in 2020 at "Journal of materials research and technology"

DOI: 10.1016/j.jmrt.2020.01.050

Abstract: Abstract Polycrystalline samples of Mg substituted lithium ferrites (Li1-xMg2xFe5-xO8 (LMFO) (x = 0, 0.003, 0.005, 0.007 and 0.01) have been prepared by conventional solid-state reaction. X-ray diffraction patterns revealed the formation of a single-phase cubic structure with… read more here.

Keywords: temperature; broadband dielectric; temperature dependent; dependent broadband ... See more keywords
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Molecular dynamics of fully biobased poly(butylene 2,5-furanoate) as revealed by broadband dielectric spectroscopy

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Published in 2017 at "Polymer"

DOI: 10.1016/j.polymer.2017.09.007

Abstract: Abstract This work presents the molecular dynamics of both fully amorphous and semicrystalline poly(butylene 2,5-furanoate) (PBF). Broadband dielectric spectroscopy experiments were combined with temperature modulated differential scanning calorimetry measurements. The results showed that the subglass… read more here.

Keywords: molecular dynamics; dynamics fully; broadband dielectric; poly butylene ... See more keywords
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Broadband Dielectric–Metal Hybrid Nanoantenna: Silicon Nanoparticle on a Mirror

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Published in 2018 at "ACS Photonics"

DOI: 10.1021/acsphotonics.7b01461

Abstract: We developed a broadband dielectric–metal hybrid nanogap resonator composed of a silicon nanoparticle (Si NP) and gold (Au) flat surface. We fabricate the nanogap resonator by depositing a monolayer of colloidal quantum dots (QDs) (∼2.8… read more here.

Keywords: dielectric metal; metal; broadband dielectric; metal hybrid ... See more keywords
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Inverse-Designed Broadband All-Dielectric Electromagnetic Metadevices

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Published in 2018 at "Scientific Reports"

DOI: 10.1038/s41598-018-19796-y

Abstract: This paper presents a platform combining an inverse electromagnetic design computational method with additive manufacturing to design and fabricate all-dielectric metadevices. As opposed to conventional flat metasurface-based devices that are composed of resonant building blocks… read more here.

Keywords: designed broadband; dielectric electromagnetic; broadband dielectric; inverse designed ... See more keywords
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Applying Broadband Dielectric Spectroscopy (BDS) for the Biophysical Characterization of Mammalian Tissues under a Variety of Cellular Stresses

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Published in 2017 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms18040838

Abstract: The dielectric properties of biological tissues can contribute non-invasively to a better characterization and understanding of the structural properties and physiology of living organisms. The question we asked, is whether these induced changes are effected… read more here.

Keywords: methodology; mammalian tissues; broadband dielectric; stress ... See more keywords
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Broadband Dielectric Spectroscopy Study of Biobased Poly(alkylene 2,5-furanoate)s’ Molecular Dynamics

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Published in 2020 at "Polymers"

DOI: 10.3390/polym12061355

Abstract: Poly(2,5-alkylene furanoate)s are bio-based, smart, and innovative polymers that are considered the most promising materials to replace oil-based plastics. These polymers can be synthesized using ecofriendly approaches, starting from renewable sources, and result into final… read more here.

Keywords: alkylene furanoate; molecular dynamics; poly alkylene; broadband dielectric ... See more keywords