Charge transfer and hybridization effects in Ni3Al and Ni3Ga studies by x-ray-absorption spectroscopy and theoretical calculations

2000 ◽  
Vol 87 (3) ◽  
pp. 1312-1317 ◽  
Author(s):  
Y. K. Chang ◽  
K. P. Lin ◽  
W. F. Pong ◽  
M.-H. Tsai ◽  
H. H. Hseih ◽  
...  

2017 ◽  
Vol 19 (8) ◽  
pp. 5715-5720 ◽  
Author(s):  
Alessandro Minguzzi ◽  
Alberto Naldoni ◽  
Ottavio Lugaresi ◽  
Elisabetta Achilli ◽  
Francesco D'Acapito ◽  
...  


1990 ◽  
Vol 210 ◽  
Author(s):  
C. Lévy-Clèment ◽  
C. Mondoloni ◽  
C. Godart ◽  
R. Cortès

AbstractThis paper presents applications of in situ X-ray diffraction and absorption techniques to the study of H+/MnO2 alkaline batteries. The two complementary in situ techniques are described. Investigation of the electrochemical insertion and deinsertion of H+ has been made through its influence on the evolution of the crystallographic structure of γ-MnO2, while investigation of the transfer of e has been undertaken through the variation of the oxidation state of the manganese during the discharging and charging process of a battery. New insights in the understanding of the mechanisms of proton insertion and charge transfer into γ-MnO2 are discussed.



2017 ◽  
Vol 19 (6) ◽  
pp. 4500-4506 ◽  
Author(s):  
A. S. Shkvarin ◽  
Yu. M. Yarmoshenko ◽  
A. I. Merentsov ◽  
Yu. M. Zhukov ◽  
A. A. Titov ◽  
...  

The electronic structure of NixTiSe2 intercalation compounds with disordered and ordered Ni atoms is studied using photoelectron, resonant photoelectron and X-ray absorption spectroscopy, theoretical calculations of the X-ray spectra and density of electronic states.





2008 ◽  
Vol 10 (38) ◽  
pp. 5882 ◽  
Author(s):  
Sébastien Bonhommeau ◽  
Niko Pontius ◽  
Saioa Cobo ◽  
Lionel Salmon ◽  
Frank M. F. de Groot ◽  
...  


2018 ◽  
Vol 32 (08) ◽  
pp. 1850094
Author(s):  
Jie Cheng ◽  
Chaomin Zhu ◽  
Jingyuan Ma ◽  
Yu Wang ◽  
Shengli Liu

Investigations of materials with 5d transition metal ions have opened up new paradigms in condensed-matter physics because of their large spin-orbit coupling (SOC) interactions. The typical compound is Sr2IrO4, which attracted much attention due to its similarities to the parent compound of high-[Formula: see text] cuprate superconductor La2CuO4. Theoretical calculations predicted that the unconventional superconductivity can occur in carrier doped-Sr2IrO4 system. Until now, hundreds of experimental methods were devoted to investigate the carrier doping effect on Sr2IrO4. Synchrotron radiation-based X-ray absorption spectroscopy (XAS) made great contributions to the local lattice and electronic structure, and also the intimate relationship between the local structure and physical properties induced by carrier doping. The aim of this review is a short introduction to the progress of research on Sr2IrO4-based system probed by the unique technique — XAS, including the strength of the SOC, valence changes upon doping and even local lattice structure with atomic level for this Sr2IrO4-based family.



2014 ◽  
Vol 16 (15) ◽  
pp. 7031-7036 ◽  
Author(s):  
Yu̅suke Nanba ◽  
Daisuke Asakura ◽  
Masashi Okubo ◽  
Haoshen Zhou ◽  
Kenta Amemiya ◽  
...  

The electronic structure of Na2[Fe(CN)5NO]·2H2O (sodium nitroprusside: SNP) was investigated by using soft X-ray absorption (XA) spectroscopy and a configuration-interaction full-multiplet calculation for the [Fe(CN)5NO]2−cluster model.



2019 ◽  
Vol 10 (14) ◽  
pp. 3843-3848 ◽  
Author(s):  
Jian Ren ◽  
Demetra S. Achilleos ◽  
Ronny Golnak ◽  
Hayato Yuzawa ◽  
Jie Xiao ◽  
...  


2009 ◽  
Vol 79 (4) ◽  
Author(s):  
C. Gougoussis ◽  
M. Calandra ◽  
A. Seitsonen ◽  
Ch. Brouder ◽  
A. Shukla ◽  
...  


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