Articles with "wide band" as a keyword



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Use of multi-angle ultra-wide band microwave sounding for high resolution breast imaging.

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Published in 2020 at "Medical physics"

DOI: 10.1002/mp.14408

Abstract: PURPOSE This report proposes an approach to develop a method of microwave imaging for early, non-invasive diagnosis of breast tumors. Here we describe a data-processing method for obtaining radio images of biological heterogeneities and a… read more here.

Keywords: ultra wide; image; clutter; breast ... See more keywords
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Advances on the Application of Wide Band-Gap Insulating Materials in Perovskite Solar Cells.

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Published in 2023 at "Small methods"

DOI: 10.1002/smtd.202300377

Abstract: In recent years, the development of perovskite solar cells (PSCs) is advancing rapidly with their recorded photoelectric conversion efficiency reaching 25.8%. However, for the commercialization of PSCs, it is also necessary to solve their stability… read more here.

Keywords: wide band; gap insulating; insulating materials; band gap ... See more keywords
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Wide-band Electrical Impedance Spectroscopy (EIS) Measures S. pombe Cell Growth in vivo.

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Published in 2018 at "Methods in molecular biology"

DOI: 10.1007/978-1-4939-7546-4_13

Abstract: This chapter describes a microfluidic device that enables immobilization and culturing of single rod-shaped S. pombe cells in a stand-up mode. The wide-band electrical impedance spectroscopy (EIS) has been integrated in the microfluidic device to… read more here.

Keywords: cell growth; band electrical; spectroscopy; wide band ... See more keywords
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Linear Filtering for Wide Band Noise Driven Observation Systems

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Published in 2017 at "Circuits, Systems, and Signal Processing"

DOI: 10.1007/s00034-016-0355-y

Abstract: In this paper, a linear filtering problem for the observation system driven by the sum of white and wide band noises and the signal system driven by white noise is considered. It is assumed that… read more here.

Keywords: observation; band noise; band; wide band ... See more keywords
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Wide band radar cross section reduction by thin AMC structure

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Published in 2018 at "AEU - International Journal of Electronics and Communications"

DOI: 10.1016/j.aeue.2018.06.007

Abstract: Abstract A new thin and wideband RCS reduction metasurface is designed and fabricated by using two different AMC unit cell tiles arranged in chessboard like configuration. One of these tiles is formed by saltire arrow… read more here.

Keywords: reduction; band radar; radar cross; metasurface ... See more keywords
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Synergetic effects of I − ions and BiOI on visible-light-activity enhancement of wide-band-gap (BiO) 2 CO 3

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.04.101

Abstract: Abstract The wide-band-gap semiconductor (BiO)2CO3 was modified by interior doping with I− ions and surface loading with BiOI to prepare a highly efficient visible-light active photocatalyst for the degradation of methyl orange and phenol. The… read more here.

Keywords: band gap; visible light; band; wide band ... See more keywords
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Comparison of performance using wide-band versus narrow-band oxygen sensors in gasoline engines

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Published in 2019 at "Case Studies in Thermal Engineering"

DOI: 10.1016/j.csite.2019.100552

Abstract: Abstract Spark ignition engines are the most widespread in the automotive industry, they consume more than 35% of the liquid fuel. Therefore, it is of a great value to reduce this percentage the minimum possible.… read more here.

Keywords: oxygen sensor; band; using wide; wide band ... See more keywords
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Wide-band EPR spectroscopy and relaxation study of Tm3+ ions in PbGa2S4 crystal

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Published in 2021 at "Optical Materials"

DOI: 10.1016/j.optmat.2021.111555

Abstract: Abstract The PbGa2S4: Tm3+ crystal was investigated by tunable high-frequency EPR spectroscopy. Two thulium centers located in positions with different local symmetry were observed in the frequency range of 9.8–170 GHz. Both spectra with the resolved… read more here.

Keywords: spectroscopy relaxation; band epr; epr spectroscopy; spectroscopy ... See more keywords
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Anisotropic charge transport and optoelectronic properties of wide band gap organic semiconductors based on biphenyl derivatives: A computational study

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Published in 2020 at "Synthetic Metals"

DOI: 10.1016/j.synthmet.2020.116474

Abstract: Abstract The electronic structures and the charge transport properties of the biphenyl derivatives were calculated using density functional theory (DFT). The values of ionization potential (IP) of all the compounds were found in the range… read more here.

Keywords: gap; band gap; charge transport; biphenyl derivatives ... See more keywords
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Colossal Dielectric Responses from the Wide Band Gap 2D-Semiconducting Amine Templated Hybrid Framework Materials.

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Published in 2020 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.0c01239

Abstract: Two unprecedented organic amine templated silver organophosphonate hybrid solids have been synthesized hydrothermally by varying the molar ratio of the reactants. Both of the compounds consist of novel tetra- and penta-nuclear silver phosphonate basic building… read more here.

Keywords: amine templated; responses wide; colossal dielectric; wide band ... See more keywords
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Wide Band Gap Semiconductor from a Hidden 2D Incommensurate Graphene Phase.

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Published in 2017 at "Nano letters"

DOI: 10.1021/acs.nanolett.6b04196

Abstract: Producing a usable semiconducting form of graphene has plagued the development of graphene electronics for nearly two decades. Now that new preparation methods have become available, graphene's intrinsic properties can be measured and the search… read more here.

Keywords: band gap; graphene; incommensurate; wide band ... See more keywords