LOCAL ATOMIC STRUCTURE OF MONO- AND BINUCLEAR METAL COMPLEXES BASED ON 3-FORMYLPYRONE AND 3-FORMYLCOUMARINE BIS-AZOMETHINES

2017 ◽  
Keyword(s):  
Metal Complexes ◽  
Atomic Structure ◽  
Local Atomic Structure ◽  
Binuclear Metal

Local atomic structure of mono- and binuclear metal complexes based on 3-formylpyrone and 3-formylcoumarin bis-azomethines

2017 ◽  
Vol 58 (6) ◽  
pp. 1226-1235 ◽  
Author(s):  
V. G. Vlasenko ◽  
L. D. Popov ◽  
I. N. Shcherbakov ◽  
V. V. Lukov ◽  
S. I. Levchenkov ◽  
...  
Keyword(s):  
Metal Complexes ◽  
Atomic Structure ◽  
Local Atomic Structure ◽  
Binuclear Metal

scholarly journals Determination of the local structure in metal-complexes by combining XAS and XES

2014 ◽  
Vol 70 (a1) ◽  
pp. C1521-C1521
Author(s):  
Mikhail Soldatov ◽  
Kirill Lomachenko ◽  
Nikolay Smolentsev ◽  
Alexander Soldatov
Keyword(s):  
Metal Complexes ◽  
Long Range ◽  
Nanostructured Materials ◽  
Atomic Structure ◽  
Local Structure ◽  
Local Atomic Structure ◽  
Range Order ◽  
Long Range Order ◽  
X Ray ◽  
X Ray Absorption

Nanoscale local atomic structure determines most of unique properties of novel materials without long range order. To study its fine details one has to use both computer nanodesign and advanced experimental methods for nanodiagnostics. The status of modern theoretical analysis of the experimental x-ray absorption spectra to extract structural parameters is presented. Novel in-situ technique for nanodiagnostics - extracting of 3D structure parameters on the basis of advanced quantitative analysis of X-ray absorption near edge structure (XANES) - has been developed. The possibility to extract information on bond angles and bond-lengths (with accuracy up to 0.002 nm) is demonstrated and it opens new perspectives of quantitative XANES analysis as a 3D local structure probe for any type of materials without long range order in atoms positions (all nanostructured materials and free clusters belong to this class of materials). Even more possibilities are opening by using simultaneously several experimental synchrotron based techniques: XANES and XES and/or RIXS. In the framework of these approaches, the results of recent studies of local atomic structure for several types of nanostructures including nanoclusters with different types of chemical bonding, core-shell nanoneedles and thin films of dilute magnetic semiconductors, 5d-transition metal-organic complexes, Cu1+ and Cu2+ binding sites in amyloid-β peptide, Co aqua complexes in aqueous solution, nanostructured materials for hydrogen storage and nanocatalysts based on zeolites and MOF are reported. Along with the calculations of conventional XANES and XES, we show a possibility to simulate core-to-core and valence-to-core RIXS as well. Molecular orbitals (or DOS) of metal complexes can be directly related to the peaks in XES spectra in RIXS maps. This information is essential for understanding of electronic structure of metal complexes and design of novel materials.

Temperature evolution of the local atomic structure in oxygen isotope substituted Pr 0.525 La 0.175 Ca 0.3 MnO 3

2002 ◽  
Vol 74 (0) ◽  
pp. s892-s894 ◽  
Author(s):  
M. Gutmann ◽  
E.S. Bo?in ◽  
S.J.L. Billinge ◽  
N.A. Babushkina ◽  
L.M. Belova ◽  
...  
Keyword(s):  
Oxygen Isotope ◽  
Atomic Structure ◽  
Local Atomic Structure ◽  
Temperature Evolution

Analysis of the local atomic structure of aluminum nitride nanoparticles

2009 ◽  
Vol 3 (3) ◽  
pp. 460-463 ◽  
Author(s):  
A. A. Guda ◽  
V. L. Mazalova ◽  
G. E. Yalovega ◽  
A. V. Soldatov
Keyword(s):  
Aluminum Nitride ◽  
Atomic Structure ◽  
Local Atomic Structure

Specific features of the local atomic structure of a Fe-Si alloy in the α area of the phase diagram

2009 ◽  
Vol 51 (6) ◽  
pp. 1236-1242 ◽  
Author(s):  
N. V. Ershov ◽  
N. M. Kleĭnerman ◽  
V. A. Lukshina ◽  
V. P. Pilyugin ◽  
V. V. Serikov
Keyword(s):  
Phase Diagram ◽  
Atomic Structure ◽  
Local Atomic Structure

scholarly journals Binuclear Metal Complexes. VI. Syntheses and Properties of Binuclear Copper(II) Complexes of 2,6-Bis[N-(β-dialkylaminoethyl)iminomethyl]-4-methylphenol

1973 ◽  
Vol 46 (5) ◽  
pp. 1462-1465 ◽  
Author(s):  
Hisashi Okawa ◽  
Tadashi Tokii ◽  
Yasuomi Nonaka ◽  
Yoneichiro Muto ◽  
Sigeo Kida
Keyword(s):  
Metal Complexes ◽  
Binuclear Copper ◽  
Binuclear Metal
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