Oxidation State and Local Structure of Plutonium Reacted with Magnetite, Mackinawite, and Chukanovite

2011 ◽  
Vol 45 (17) ◽  
pp. 7267-7274 ◽  
Author(s):  
Regina Kirsch ◽  
David Fellhauer ◽  
Marcus Altmaier ◽  
Volker Neck ◽  
Andre Rossberg ◽  
...  
Keyword(s):  
Oxidation State ◽  
Local Structure ◽  
State And Local

Europium oxidation state and local structure in silicate glasses

2012 ◽  
Vol 97 (5-6) ◽  
pp. 918-929 ◽  
Author(s):  
M. R. Cicconi ◽  
G. Giuli ◽  
E. Paris ◽  
W. Ertel-Ingrisch ◽  
P. Ulmer ◽  
...  
Keyword(s):  
Oxidation State ◽  
Local Structure ◽  
Silicate Glasses ◽  
State And Local

Iron oxidation state and local structure in North American tektites

2010 ◽  
Author(s):  
Gabriele Giuli ◽  
Sigrid Griet Eeckhout ◽  
Maria Rita Cicconi ◽  
Christian Koeberl ◽  
Giovanni Pratesi ◽  
...  
Keyword(s):  
Oxidation State ◽  
North American ◽  
Local Structure ◽  
Iron Oxidation ◽  
Iron Oxidation State ◽  
State And Local

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

Oxidation State and Local Structure of Ti-Based Additives in the Reactive Hydride Composite 2LiBH4 + MgH2

2010 ◽  
Vol 114 (7) ◽  
pp. 3309-3317 ◽  
Author(s):  
E. Deprez ◽  
Miguel A. Muñoz-Márquez ◽  
Manuel A. Roldán ◽  
C. Prestipino ◽  
F. Javier Palomares ◽  
...  
Keyword(s):  
Oxidation State ◽  
Local Structure ◽  
State And Local

scholarly journals Local Structure and Magnetism of LiFeSi0.01P0.99O4/C as a Cathode Material on Lithium-Ion Battery

2021 ◽  
Vol 1 (1) ◽  
pp. 1-4
Author(s):  
Vera Laviara Maghfirohtuzzoimah ◽  
Sahara Hamas Intifadhah ◽  
Pelangi Az-zahra ◽  
Wantana Klysubun ◽  
Dita Puspita Sari ◽  
...  
Keyword(s):  
Lithium Ion Battery ◽  
Oxidation State ◽  
Local Structure ◽  
Lithium Ion ◽  
Antiferromagnetic Order ◽  
Main Peak ◽  
X Ray ◽  
State And Local ◽  
Silicon Doped ◽  
X Ray Absorption

The oxidation state and local structure of LiFeSi0.01P0.99O4/C composites as a cathode on lithium-ion battery were investigated by Fe K-edge X-ray Absorption Near Edge Spectroscopy (XANES) and Extended X-ray Absorption Fine Structure (EXAFS). The LiFeSi0.01P0.99O4/C sample was prepared by solid-state reaction process. Based on the XANES analysis, the absorption of edge energy (E0) of the sample was 7124.92 eV. In addition, linear combination fitting (LCF) analysis of XANES confirmed the oxidation state of iron mixture of 2+ and 3+ as the effect of silicon doped in LiFePO4. The Fourier Transform (FT) of the Fe K-edge EXAFS fitting analysis showed that the nearest neighbors surrounding atom Fe were the main peak with high intensity that confirmed Fe-O bond; the second and third peak with lower intensity confirmed Fe-P and Fe-Fe bonds, respectively. In addition, the SQUID magnetometer result of LiFeSi0.01P0.99O4/C indicated the antiferromagnetic order temperature of LiFeSi0.01P0.99O4/C at ~51 K with the indication of the presence of impurity and structural distortion.

scholarly journals Oxidation State and Local Structure of Chromium Ions in LaOCl

Materials ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3539
Author(s):  
Andris Antuzevics ◽  
Guna Krieke ◽  
Haralds Ozols ◽  
Andris Fedotovs ◽  
Anatolijs Sarakovskis ◽  
...  
Keyword(s):  
Oxidation State ◽  
Local Structure ◽  
Double Resonance ◽  
Lattice Parameter ◽  
Subsequent Treatment ◽  
Simultaneous Increase ◽  
Electron Nuclear Double Resonance ◽  
X Ray ◽  
Chromium Ions ◽  
State And Local

LaOCl doped with 0–10 mol% Cr was synthesized by thermal decomposition of chlorides. X-ray diffraction (XRD) analysis revealed that incorporation of chromium results in a decrease of the lattice parameter a and a simultaneous increase of the lattice parameter c. The local structure of chromium ions was studied with X-ray photoelectron (XPS), X-ray absorption (XANES), multifrequency electron paramagnetic resonance (EPR) and electron-nuclear double resonance (ENDOR) spectroscopy techniques. It was determined that synthesis in oxidizing atmosphere promotes the incorporation of chromium ions predominantly in the 5+ oxidation state. Changes of chromium oxidation state and local environment occur after a subsequent treatment in reducing atmosphere. Spin-Hamiltonian (SH) parameters for a Cr5+ and two types of Cr3+ centers in LaOCl were determined from the EPR spectra simulations.

Oxidation state and local structure of a high-capacity LiF/Fe(V2O5) conversion cathode for Li-ion batteries

2014 ◽  
Vol 68 ◽  
pp. 179-188 ◽  
Author(s):  
A.H. Pohl ◽  
A.A. Guda ◽  
V.V. Shapovalov ◽  
R. Witte ◽  
B. Das ◽  
...  
Keyword(s):  
Oxidation State ◽  
Local Structure ◽  
High Capacity ◽  
Li Ion Batteries ◽  
Li Ion ◽  
State And Local

Chemical State and Local Structure around Titanium Atoms in NaAlH4Doped with TiCl3Using X-ray Absorption Spectroscopy

2004 ◽  
Vol 108 (42) ◽  
pp. 16372-16376 ◽  
Author(s):  
Aline Léon ◽  
Oliver Kircher ◽  
Jörg Rothe ◽  
Maximilian Fichtner
Keyword(s):  
Absorption Spectroscopy ◽  
Local Structure ◽  
Chemical State ◽  
X Ray ◽  
State And Local ◽  
X Ray Absorption
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