scholarly journals Localized Electronic Structure of Nitrogenase FeMoco Revealed by Selenium K-Edge High Resolution X-ray Absorption Spectroscopy

2019 ◽  
Vol 141 (34) ◽  
pp. 13676-13688 ◽  
Author(s):  
Justin T. Henthorn ◽  
Renee J. Arias ◽  
Sergey Koroidov ◽  
Thomas Kroll ◽  
Dimosthenis Sokaras ◽  
...  
Keyword(s):  
Electronic Structure ◽  
High Resolution ◽  
Absorption Spectroscopy ◽  
X Ray ◽  
X Ray Absorption

scholarly journals PHOTOEMISSION AND PHOTOABSORPTION INVESTIGATION OF THE ELECTRONIC STRUCTURE OF YTTERBIUM-DOPED STRONTIUM FLUOROAPATITE

2002 ◽  
Vol 09 (01) ◽  
pp. 387-391 ◽  
Author(s):  
A. J. NELSON ◽  
T. VAN BUUREN ◽  
C. BOSTEDT ◽  
K. I. SCHAFFERS ◽  
LOU TERMINELLO
Keyword(s):  
Electronic Structure ◽  
High Resolution ◽  
Surface Chemistry ◽  
Valence Band ◽  
Absorption Spectroscopy ◽  
Electronic States ◽  
Specific Density ◽  
X Ray ◽  
X Ray Absorption ◽  
Absorption Edges

X-ray photoemission and X-ray photoabsorption were used to study the composition and the electronic structure of ytterbium-doped strontium fluoroapatite (Yb:S-FAP). High resolution photoemission measurements on the valence band electronic structure were used to evaluate the density of occupied states of this fluoroapatite. Element-specific density of unoccupied electronic states in Yb:S-FAP was probed by X-ray absorption spectroscopy (XAS) at the Yb 4d ( N 4,5-edge), Sr 3d ( M 4,5-edge), P 2p ( L 2,3-edge), F 1s and O 1s (K-edges) absorption edges. These results provide the first measurements of the electronic structure and surface chemistry of this material.

scholarly journals In situ X-ray emission and high-resolution X-ray absorption spectroscopy applied to Ni-based bimetallic dry methane reforming catalysts

Nanoscale ◽  
2020 ◽  
Vol 12 (28) ◽  
pp. 15185-15192
Author(s):  
Abbas Beheshti Askari ◽  
Mustafa al Samarai ◽  
Nozomu Hiraoka ◽  
Hirofumi Ishii ◽  
Lukas Tillmann ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Catalytic Activity ◽  
High Resolution ◽  
Absorption Spectroscopy ◽  
Methane Reforming ◽  
X Ray ◽  
Reforming Catalyst ◽  
Reforming Catalysts ◽  
X Ray Absorption

The effect of cobalt on the catalytic activity of a NiCoO dry methane reforming catalyst was investigated by in situ XES and HERFD XAS. Co is shown to hamper the reduction of the Ni in the NiCoO catalyst by modulation of its electronic structure.

Electronic structure in the band gap of lightly dopedSrTiO3by high-resolution x-ray absorption spectroscopy

2000 ◽  
Vol 61 (19) ◽  
pp. 12860-12863 ◽  
Author(s):  
T. Higuchi ◽  
T. Tsukamoto ◽  
K. Kobayashi ◽  
Y. Ishiwata ◽  
M. Fujisawa ◽  
...  
Keyword(s):  
Electronic Structure ◽  
High Resolution ◽  
Band Gap ◽  
Absorption Spectroscopy ◽  
X Ray ◽  
X Ray Absorption

Triosmium Clusters on a Support: Determination of Structure by X-ray Absorption Spectroscopy and High-Resolution Microscopy

2010 ◽  
Vol 17 (3) ◽  
pp. 1000-1008 ◽  
Author(s):  
Shareghe Mehraeen ◽  
Apoorva Kulkarni ◽  
Miaofang Chi ◽  
Bryan W. Reed ◽  
Norihiko L. Okamoto ◽  
...  
Keyword(s):  
High Resolution ◽  
Absorption Spectroscopy ◽  
Triosmium Clusters ◽  
X Ray ◽  
X Ray Absorption ◽  
High Resolution Microscopy

Electronic structure and magnetic states inLa1−xSrxCoO3studied by photoemission and x-ray-absorption spectroscopy

1997 ◽  
Vol 56 (3) ◽  
pp. 1290-1295 ◽  
Author(s):  
T. Saitoh ◽  
T. Mizokawa ◽  
A. Fujimori ◽  
M. Abbate ◽  
Y. Takeda ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Absorption Spectroscopy ◽  
X Ray ◽  
Magnetic States ◽  
X Ray Absorption
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