Articles with "silicon rich" as a keyword



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Enhanced catalytic performance in butylene cracking by hierarchical surface silicon-rich ZSM-5

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Published in 2017 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2017.04.010

Abstract: Abstract In the process of butylene catalytic cracking, the amount, location and strength of acid sites of the catalyst play an important role in suppressing the undesired reactions. Hydrothermal dealumination is widely used to adjust… read more here.

Keywords: silicon rich; surface; surface silicon; hierarchical surface ... See more keywords
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Enhanced reduction and adsorption of hexavalent chromium by palladium and silicon rich biochar supported nanoscale zero-valent iron.

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Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2018.08.075

Abstract: The potential of silicon-rich biochar and Pd were evaluated for the enhanced removal of Cr(VI) in solution by nanoscale zero-valent iron (nZVI) composites. The composition and structures of the nZVI, RS700-supported nZVI, and Pd-doped samples… read more here.

Keywords: reduction; adsorption; silicon rich; nzvi rs700 ... See more keywords
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Silicon rich nitride ring resonators for rare – earth doped telecommunications-band amplifiers pumped at the O-band

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-09732-x

Abstract: Ring resonators on silicon rich nitride for potential use as rare-earth doped amplifiers pumped at 1310 nm with amplification at telecommunications-band are designed and characterized. The ring resonators are fabricated on 300 nm and 400 nm silicon rich… read more here.

Keywords: silicon rich; ring resonators; telecommunications band; rare earth ... See more keywords
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Broadband incoherent four-wave mixing and 27 dB idler conversion efficiency using ultra-silicon rich nitride devices

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Published in 2018 at "Applied Physics Letters"

DOI: 10.1063/1.5010841

Abstract: The generation of broadband light within the telecommunication band has been instrumental to the design and characterization of advanced optical devices and systems. In this paper, stimulated degenerate four-wave mixing of an ultra-silicon rich nitride… read more here.

Keywords: idler; silicon rich; four wave; wave mixing ... See more keywords
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Ultrahigh-Q photonic crystal cavities in silicon rich nitride.

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Published in 2017 at "Optics express"

DOI: 10.1364/oe.25.027334

Abstract: Ultrahigh-Q Photonic Crystal cavities were realized in a suspended Silicon Rich Nitride (SiNx) platform for applications at telecom wavelengths. Using a line width modulated cavity design we achieved a simulated Q of 520,000 with a… read more here.

Keywords: silicon rich; crystal cavities; photonic crystal; ultrahigh photonic ... See more keywords
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Efficient and compact thermo-optic phase shifter in silicon-rich silicon nitride.

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Published in 2021 at "Optics letters"

DOI: 10.1364/ol.431757

Abstract: The design, fabrication, and characterization of low-loss ultra-compact bends in high-index (n=3.1 at λ=1550nm) plasma-enhanced chemical vapor deposition silicon-rich silicon nitride (SRN) were demonstrated and utilized to realize efficient, small footprint thermo-optic phase shifter. Compact… read more here.

Keywords: silicon nitride; rich silicon; silicon; silicon rich ... See more keywords
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Realization of a wide steering end-fire facet optical phased array using silicon rich silicon nitride.

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Published in 2022 at "Optics letters"

DOI: 10.1364/ol.476819

Abstract: The design, fabrication, and characterization of a 16-element optical phased array (OPA) using a high index (n = 3.1) silicon-rich silicon nitride (SRN) is demonstrated. We present one-dimensional beam steering with end-fire facet antennas over a wide… read more here.

Keywords: phased array; silicon nitride; rich silicon; optical phased ... See more keywords
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Thermo-optically tunable spectral broadening in a nonlinear ultra-silicon-rich nitride Bragg grating

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Published in 2021 at "Photonics Research"

DOI: 10.1364/prj.411073

Abstract: Spectral tunability methods used in optical communications and signal processing leveraging optical, electrical, and acousto-optic effects typically involve spectral truncation that results in energy loss. Here we demonstrate temperature tunable spectral broadening using a nonlinear… read more here.

Keywords: nonlinear ultra; bragg grating; spectral broadening; silicon rich ... See more keywords
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Performance Improvement of SONOS Device as UV Total Dose Nonvolatile Sensor with Bottom-silicon-rich and Top-nitrogen-rich Nitride Structure

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Published in 2019 at "Sensors and Materials"

DOI: 10.18494/sam.2019.2332

Abstract: Silicon–silicon dioxide–silicon nitride–silicon dioxide–silicon (SONOS) capacitor devices with a bottom-silicon-rich and top-nitrogen-rich nitride bilayer stacked trapping layer (hereafter, SBNT-SONOS) have potential applications in UV total dose (TD) nonvolatile sensors. UV radiation induces a significant increase… read more here.

Keywords: bottom silicon; silicon; silicon rich; sbnt sonos ... See more keywords
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Characterization and Optimal Design of Silicon-Rich Nitride Nonlinear Waveguides for 2 μm Wavelength Band

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Published in 2020 at "Applied Sciences"

DOI: 10.3390/app10228087

Abstract: Optical communication using the 2 μm wavelength band is attracting growing attention for the sake of mitigating the information ‘capacity crunch’ on the way, where on-chip nonlinear waveguides can play vital roles. Here, silicon-rich nitride… read more here.

Keywords: srn ridge; silicon rich; nonlinear waveguides; rich nitride ... See more keywords