scholarly journals In operando XAS investigation of reduction and oxidation processes in cobalt and iron mixed spinels during the chemical loop reforming of ethanol

2017 ◽  
Vol 5 (39) ◽  
pp. 20808-20817 ◽  
Author(s):  
F. Carraro ◽  
O. Vozniuk ◽  
L. Calvillo ◽  
L. Nodari ◽  
C. La Fontaine ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Oxygen Carriers ◽  
X Ray ◽  
Oxidation Processes ◽  
Reduction And Oxidation ◽  
In Operando ◽  
Operando Xas ◽  
X Ray Absorption

FeCo2O4 and CoFe2O4 nanoparticles have been studied as oxygen carriers for the chemical loop reforming of ethanol by using in operando X-ray absorption spectroscopy.

scholarly journals Cu- and Fe-speciation in a composite zeolite catalyst for selective catalytic reduction of NOx: insights from operando XAS

2021 ◽  
Author(s):  
Ilia A. Pankin ◽  
Houeida Issa Hamoud ◽  
Kirill A. Lomachenko ◽  
Søren Birk Rasmussen ◽  
Andrea Martini ◽  
...  
Keyword(s):  
Selective Catalytic Reduction ◽  
Absorption Spectroscopy ◽  
Zeolite Catalyst ◽  
Catalytic Reduction ◽  
Mechanical Mixture ◽  
X Ray ◽  
Fe Speciation ◽  
Reduction Of Nox ◽  
Operando Xas ◽  
X Ray Absorption

Cu-SAPO-34 (Cu-CZC) and Fe-mordenite (Fe-MOR) and their mechanical mixture (50 : 50) have been exhaustively investigated by means of operando X-ray absorption spectroscopy under NH3-SCR conditions.

Versatile variable temperature insert at the DEIMOS beamline forin situelectrical transport measurements

2016 ◽  
Vol 23 (3) ◽  
pp. 652-657 ◽  
Author(s):  
L. Joly ◽  
B. Muller ◽  
E. Sternitzky ◽  
J.-G. Faullumel ◽  
A. Boulard ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Electrical Transport ◽  
Tunnel Junctions ◽  
Variable Temperature ◽  
Electronic Devices ◽  
X Ray ◽  
In Operando ◽  
X Ray Absorption ◽  
Multifunctional Properties

The design and the first experiments are described of a versatile cryogenic insert used for its electrical transport capabilities. The insert is designed for the cryomagnet installed on the DEIMOS beamline at the SOLEIL synchrotron dedicated to magnetic characterizations through X-ray absorption spectroscopy (XAS) measurements. This development was spurred by the multifunctional properties of novel materials such as multiferroics, in which, for example, the magnetic and electrical orders are intertwined and may be probed using XAS. The insert thus enables XAS toin situprobe this interplay. The implementation of redundant wiring and careful shielding also enables studies on operating electronic devices. Measurements on magnetic tunnel junctions illustrate the potential of the equipment toward XAS studies ofin operandoelectronic devices.

Quick scanning monochromator for millisecond in situ and in operando X-ray absorption spectroscopy

2015 ◽  
Vol 86 (9) ◽  
pp. 093905 ◽  
Author(s):  
O. Müller ◽  
D. Lützenkirchen-Hecht ◽  
R. Frahm
Keyword(s):  
Absorption Spectroscopy ◽  
X Ray ◽  
In Operando ◽  
X Ray Absorption

scholarly journals In operando X-ray absorption spectroscopy study of charge rate effects on the atomic environment in graphene-coated Li-rich mixed oxide cathode

2016 ◽  
Vol 98 ◽  
pp. 231-242 ◽  
Author(s):  
Taehoon Kim ◽  
Bohang Song ◽  
Alexander J.G. Lunt ◽  
Giannantonio Cibin ◽  
Andrew J. Dent ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Mixed Oxide ◽  
Spectroscopy Study ◽  
X Ray ◽  
Oxide Cathode ◽  
Charge Rate ◽  
Rate Effects ◽  
In Operando ◽  
X Ray Absorption
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