Articles with "deep ultraviolet" as a keyword



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Characterization of phosphorus compounds in soils by deep ultraviolet (DUV) Raman microspectroscopy

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Published in 2017 at "Journal of Raman Spectroscopy"

DOI: 10.1002/jrs.5115

Abstract: Deep ultraviolet Raman microspectroscopy was successfully investigated as a new approach to analyze the chemical state of phosphorus compounds directly in soil. We demonstrate that ultraviolet excitation has the advantage to avoid the interference with… read more here.

Keywords: raman; phosphorus compounds; ultraviolet; deep ultraviolet ... See more keywords
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Extraction efficiency simulation in deep ultraviolet AlGaN light emitting diodes

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Published in 2021 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-021-03043-2

Abstract: A ray tracing model is developed to study the light extraction efficiency (LEE) of the nitride wide band gap semiconductor deep ultraviolet light emitting diodes (DUV-LEDs). The basic device structure is flip-chip LED device with… read more here.

Keywords: light emitting; extraction efficiency; extraction; emitting diodes ... See more keywords
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Deep-ultraviolet nonlinear optical crystals by design: A computer-aided modeling blueprint from first principles

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Published in 2020 at "Science China Materials"

DOI: 10.1007/s40843-020-1369-x

Abstract: Deep-ultraviolet (DUV) nonlinear optical (NLO) crystal is indispensable in current DUV all-solid-state laser technology, which is the key device to generate DUV light by frequency conversion. Due to stringent criteria, DUV NLO crystals are scarce… read more here.

Keywords: blueprint; duv nlo; deep ultraviolet; nonlinear optical ... See more keywords
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Superalkalis as a source of diffuse excess electrons in newly designed inorganic electrides with remarkable nonlinear response and deep ultraviolet transparency: A DFT study

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.04.042

Abstract: Abstract Recently, significant progress is observed in the design and synthesis of nonlinear optical materials due to their optoelectronic and biomedical applications. In this report, a series of inorganic electrides (Li2F@Al12P12, Li3O@Al12P12 and Li4N@Al12P12) are… read more here.

Keywords: li4n; inorganic electrides; response; al12p12 ... See more keywords
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Deep-ultraviolet Schottky photodetectors with high deep-ultraviolet/visible rejection based on a ZnGa2O4 thin film

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.143670

Abstract: Abstract A single-crystalline ZnGa2O4 epilayer was successfully grown on a c-plane (0001) sapphire substrate through metalorganic chemical vapor deposition. A metal-semiconductor-metal Schottky deep-ultraviolet (DUV) photodetector based on a ZnGa2O4 thin film was fabricated through a… read more here.

Keywords: thin film; based znga2o4; znga2o4 thin; ultraviolet ... See more keywords
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Oxides/graphene heterostructure for deep-ultraviolet photovoltaic photodetector

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Published in 2019 at "Carbon"

DOI: 10.1016/j.carbon.2019.03.027

Abstract: Abstract Compared with photoconductive photodetectors (PDs), photovoltaic PDs not only have higher response speed and stability in theory, but also have the advantage of operating under zero bias. However, the current research of MgZnO (MZO)… read more here.

Keywords: mzo; photovoltaic; duv light; duv ... See more keywords
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Broadband stimulated Raman spectroscopy in the deep ultraviolet region

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Published in 2017 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2017.02.015

Abstract: Abstract We report broadband stimulated Raman measurements in the deep ultraviolet (DUV) region, which enables selective probing of the aromatic amino acid residues inside proteins through the resonance enhancement. We combine the narrowband DUV Raman… read more here.

Keywords: stimulated raman; deep ultraviolet; broadband stimulated; spectroscopy ... See more keywords
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“Deep-ultraviolet Raman spectra of Mars-relevant evaporite minerals under 248.6 nm excitation”

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Published in 2020 at "Icarus"

DOI: 10.1016/j.icarus.2020.113969

Abstract: Abstract We have measured the deep-ultraviolet (DUV) Raman spectra of a number of evaporite minerals that are relevant to lacustrine and fluvial environments found on Earth and Mars, and show that DUV Raman can provide… read more here.

Keywords: 248 excitation; raman; duv raman; deep ultraviolet ... See more keywords
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Deep ultraviolet surface-enhanced fluorescence spectroscopy using aluminum nanospheres dimer

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Published in 2020 at "Optik"

DOI: 10.1016/j.ijleo.2020.164883

Abstract: Abstract The electromagnetic enhancement mechanism of deep ultraviolet surface-enhanced fluorescence (DUV-SEF) was systematically studied theoretically for a molecule placed at the center of the aluminum (Al) nanospheres dimer. The enhanced local excitation field, fluorescence quantum… read more here.

Keywords: surface enhanced; nanospheres dimer; fluorescence; deep ultraviolet ... See more keywords
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Deep-ultraviolet stimulated emission from AlGaN/AlN multiple-quantum-wells on nano-patterned AlN/sapphire templates with reduced threshold power density

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Published in 2017 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2017.06.240

Abstract: Abstract We first report deep-ultraviolet (DUV) stimulated emission by optical pumping of AlGaN/AlN multiple-quantum-wells (MQWs) on nano-patterned AlN/sapphire (NP-AlN/sapphire) templates with significant threshold power density (Pth) reduction. Thanks to nanoscale lateral overgrowth on nano-holes patterns,… read more here.

Keywords: algan aln; sapphire; aln sapphire; deep ultraviolet ... See more keywords
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Surface dangling bonds foisted atypical deep ultraviolet emission in Zn1−xFexO nanoparticles synthesized by thermal decomposition method under nitrogen atmosphere

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Published in 2021 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.158951

Abstract: Abstract An uncommon deep ultraviolet emission (DUV) is reported for the first time in Zn1−xFexO (x = 0, 0.01, 0.03 and 0.05) nanoparticles synthesized by thermal decomposition method under inert nitrogen atmosphere. The zinc vacancies induced oxygen… read more here.

Keywords: xfexo nanoparticles; deep ultraviolet; emission; ultraviolet emission ... See more keywords