Articles with "emission spectroscopy" as a keyword



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Depth elemental characterization of 1D self-aligned TiO 2 nanotubes using calibrated Radio Frequency Glow Discharge Optical Emission Spectroscopy (GDOES)

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.02.185

Abstract: Abstract In this work we study the depth composition of anodic TiO2 nanotube layers. We use elemental depth profiling with Glow Discharge Optical Emission Spectroscopy and calibrate the results of this technique with X-ray photoelectron… read more here.

Keywords: optical emission; emission spectroscopy; spectroscopy; discharge optical ... See more keywords
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Time-dependent density functional theory study of the X-ray emission spectroscopy of amino acids and proteins

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Published in 2020 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2020.137860

Abstract: Abstract The non-resonant X-ray emission spectroscopy of amino acids and a dipeptide have been studied using time-dependent density functional theory (TDDFT) calculations at the nitrogen and oxygen K-edges. Comparison with higher level calculations and experimental… read more here.

Keywords: spectroscopy amino; amino acids; emission spectroscopy; time dependent ... See more keywords
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Simultaneous imaging and emission spectroscopy for the laser-based remote probing of polydisperse saline aerosols

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Published in 2018 at "Journal of Aerosol Science"

DOI: 10.1016/j.jaerosci.2018.06.007

Abstract: Abstract Atmospheric aerosols are freely-moving multidimensional stochastic systems within a representative volume of air. Light-based techniques has proved to be a reliable and versatile tools for the direct, in-situ, real-time and remote gathering of information… read more here.

Keywords: simultaneous imaging; laser; imaging emission; emission spectroscopy ... See more keywords
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In-situ optical emission spectroscopy of selective laser melting

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Published in 2020 at "Journal of Manufacturing Processes"

DOI: 10.1016/j.jmapro.2020.02.016

Abstract: Abstract The variances in local processing conditions during Selective Laser Melting (SLM), a powder bed Additive Manufacturing (AM) process, can cause defects that lead to part failure. The nature of SLM permits in-situ monitoring of… read more here.

Keywords: selective laser; optical emission; emission spectroscopy; laser melting ... See more keywords
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Chemical State Mapping of Amorphous Carbon Films by Soft X-ray Emission Spectroscopy

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Published in 2019 at "Microscopy and Microanalysis"

DOI: 10.1017/s1431927619009504

Abstract: Soft X-ray emissions, which originate from electronic transitions from valence bands (bonding electron states) to inner-shell electron levels, inform us energy states of bonding electrons if those energies are analyzed with an energy resolution better… read more here.

Keywords: spectroscopy; ray emission; emission spectroscopy; chemical state ... See more keywords
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Sulfate Speciation Analysis Using Soft X-ray Emission Spectroscopy.

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Published in 2021 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c01187

Abstract: The chemical and electronic structures of 15 different sulfates are studied using S L2,3 soft X-ray emission spectroscopy (XES). Sulfur L2,3 XES spectra of sulfates are distinctively different from those of other sulfur compounds, which… read more here.

Keywords: emission; using soft; emission spectroscopy; spectroscopy ... See more keywords
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Comparison of Preparation Methods for the Determination of Metals in Petroleum Fractions (1000 °F+) by Microwave Plasma Atomic Emission Spectroscopy

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Published in 2017 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.7b00654

Abstract: Microwave induced plasma atomic emission spectroscopy (MP-AES) with nitrogen gas was employed for the determination of trace elements in petroleum fractions with a boiling point above 1000 °F, using direct dilution in an organic solvent.… read more here.

Keywords: petroleum fractions; atomic emission; plasma atomic; emission spectroscopy ... See more keywords
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Kβ X-ray Emission Spectroscopy as a Probe of Cu(I) Sites: Application to the Cu(I) Site in Preprocessed Galactose Oxidase.

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Published in 2020 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.0c02495

Abstract: Cu(I) active sites in metalloproteins are involved in O2 activation, but their O2 reactivity is difficult to study due to the Cu(I) d10 closed shell which precludes the use of conventional spectroscopic methods. Kβ X-ray… read more here.

Keywords: site preprocessed; emission spectroscopy; spectroscopy; ray emission ... See more keywords
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Quantification of Ni-N-O Bond Angles and NO Activation by X-ray Emission Spectroscopy.

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Published in 2020 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.0c02724

Abstract: A series of β-diketiminate Ni-NO complexes with a range of NO binding modes and oxidation states were studied by X-ray emission spectroscopy (XES). The results demonstrate that XES can directly probe and distinguish end-on vs… read more here.

Keywords: coordination; bond; emission spectroscopy; spectroscopy ... See more keywords
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In-situ porosity recognition for laser additive manufacturing of 7075-Al alloy using plasma emission spectroscopy

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Published in 2020 at "Scientific Reports"

DOI: 10.1038/s41598-020-75131-4

Abstract: Poor quality and low repeatability of additively manufactured parts are key technological obstacles for the widespread adoption of additive manufacturing (AM). In-situ monitoring and control of the AM process is vital to overcome this problem.… read more here.

Keywords: porosity; plasma emission; porosity recognition; emission spectroscopy ... See more keywords
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Capacitively coupled radio frequency nitrogen plasma generated at two different exciting frequencies of 13.56 MHz and 40 MHz analyzed using Langmuir probe along with optical emission spectroscopy

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Published in 2019 at "AIP Advances"

DOI: 10.1063/1.5092180

Abstract: Capacitively coupled nitrogen plasma discharges driven by two different exciting radio frequencies of 13.56 MHz, and 40 MHz are investigated. Langmuir probe diagnostics along with optical emission spectroscopy are used for interpreting the discharges. The… read more here.

Keywords: plasma; optical emission; emission spectroscopy; langmuir probe ... See more keywords