scholarly journals In situ XAS study of the local structure of the nano-Li2FeSiO4/C cathode

2021 ◽  
Author(s):  
Kamil Kucuk ◽  
Shankar Aryal ◽  
Elahe Moazzen ◽  
Elena V Timofeeva ◽  
Carlo U Segre
Keyword(s):  
Local Structure ◽  
In Situ Xas

scholarly journals In situ XAS study of the local structure and oxidation state evolution of palladium in a reduced graphene oxide supported Pd(ii) carbene complex during an undirected C–H acetoxylation reaction

2019 ◽  
Vol 9 (8) ◽  
pp. 2025-2031 ◽  
Author(s):  
Ning Yuan ◽  
Maitham H. Majeed ◽  
Éva G. Bajnóczi ◽  
Axel R. Persson ◽  
L. Reine Wallenberg ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Oxidation State ◽  
Local Structure ◽  
Carbene Complex ◽  
In Situ Xas ◽  
Reduced Graphene ◽  
State Evolution ◽  
Supported Pd

In situ XAS is used to reveal the evolution of palladium species during an undirected C–H acetoxylation reaction.

In situ XAS investigation of the oxidation state and local structure of vanadium in discharged and charged V2O5 aerogel cathodes

2002 ◽  
Vol 47 (19) ◽  
pp. 3151-3161 ◽  
Author(s):  
A.N Mansour ◽  
P.H Smith ◽  
W.M Baker ◽  
M Balasubramanian ◽  
J McBreen
Keyword(s):  
Oxidation State ◽  
Local Structure ◽  
In Situ Xas ◽  
State And Local

Application of In Situ X-ray Absorption Spectroscopy to Study Dilute Chromium Ions in a Molten Chloride Salt

2019 ◽  
Author(s):  
Jisue Moon ◽  
Carter Abney ◽  
Dmitriy Dolzhnikov ◽  
James M. Kurley ◽  
Kevin A. Beyer ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Local Structure ◽  
Chloride Salt ◽  
X Ray ◽  
Molten Chloride ◽  
Stable Species ◽  
Higher Temperature ◽  
Cr Concentration ◽  
X Ray Absorption

The local structure of dilute CrCl<sub>3</sub> in a molten MgCl<sub>2</sub>:KCl salt was investigated by <i>in situ</i> x-ray absorption spectroscopy (XAS) at temperatures from room temperature to 800<sup>o</sup>C. This constitutes the first experiment where dilute Cr speciation is explored in a molten chloride salt, ostensibly due to the compounding challenges arising from a low Cr concentration in a matrix of heavy absorbers at extreme temperatures. CrCl<sub>3</sub> was confirmed to be the stable species between 200 and 500<sup>o</sup>C, while mobility of metal ions at higher temperature (>700<sup>o</sup>C) prevented confirmation of the local structure.

Extended X-ray Absorption Fine Structure Studies of GaN Epilayers Doped in situ with Er and Eu During Molecular Beam Epitaxy

2003 ◽  
Vol 798 ◽  
Author(s):  
V. Katchkanov ◽  
J. F. W. Mosselmans ◽  
S. Dalmasso ◽  
K. P. O'Donnell ◽  
R. W. Martin ◽  
...  
Keyword(s):  
Fine Structure ◽  
Rare Earth ◽  
Molecular Beam Epitaxy ◽  
Local Structure ◽  
Molecular Beam ◽  
X Ray ◽  
Absorption Fine ◽  
X Ray Absorption ◽  
The Eu

ABSTRACTThe local structure around Er and Eu atoms introduced into GaN epilayers was studied by means of Extended X-ray Absorption Fine Structure above the appropriate rare-earth X-ray absorption edge. The samples were doped in situ during growth by Molecular Beam Epitaxy. The formation of ErN clusters was found in samples with high average Er concentrations of 32±6% and 12.4±0.8%, estimated by Wavelength Dispersive X-ray analysis. When the average Er concentration is decreased to 6.0±0.2%, 1.6±0.2% and 0.17±0.02%, Er is found in localised clusters of ErGaN phase with high local Er content. Similar behaviour is observed for Eu-doped samples. For an average Eu concentration of 30.5±0.5% clusters of pure EuN occur. Decreasing the Eu concentration to 10.4±0.5% leads to EuGaN clusters with high local Eu content. However, for a sample with an Eu concentration of 14.2±0.5% clustering of Eu was not observed.

In situ XAS and XRF study of nanoparticle nucleation during O3-based Pt deposition

2014 ◽  
Vol 229 ◽  
pp. 2-13 ◽  
Author(s):  
Matthias Filez ◽  
Hilde Poelman ◽  
Ranjith K. Ramachandran ◽  
Jolien Dendooven ◽  
Kilian Devloo-Casier ◽  
...  
Keyword(s):  
In Situ Xas

scholarly journals In situ-XAS and catalytic study of acrolein hydrogenation over silver catalyst: Control of intramolecular selectivity by the pressure

2005 ◽  
Vol 6 (5) ◽  
pp. 371-374 ◽  
Author(s):  
Michael Bron ◽  
Detre Teschner ◽  
Axel Knop-Gericke ◽  
Andreas Scheybal ◽  
Bernd Steinhauer ◽  
...  
Keyword(s):  
Silver Catalyst ◽  
In Situ Xas

Crude oils as ore fluids: An experimental in-situ XAS study of gold partitioning between brine and organic fluid from 25 to 250 °C

2019 ◽  
Vol 244 ◽  
pp. 352-365 ◽  
Author(s):  
Lars-S. Crede ◽  
Weihua Liu ◽  
Katy A. Evans ◽  
Kirsten U. Rempel ◽  
Denis Testemale ◽  
...  
Keyword(s):  
Crude Oils ◽  
In Situ Xas
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