Zobrazeno 1 - 10
of 16 076
pro vyhledávání: '"exafs"'
Autor:
Valérie Briois, Jean Paul Itié, Alain Polian, Andrew King, Aliou Sadia Traore, Eric Marceau, Ovidiu Ersen, Camille La Fontaine, Laurent Barthe, Anthony Beauvois, Olga Roudenko, Stéphanie Belin
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1084-1104 (2024)
Full-field transmission X-ray microscopy has been recently implemented at the hard X-ray ROCK–SOLEIL quick-EXAFS beamline, adding micrometre spatial resolution to the second time resolution characterizing the beamline. Benefiting from a beam size v
Externí odkaz:
https://doaj.org/article/5f4760b9d56d4404918ced7e8ad31a80
Autor:
F. d'Acapito, M. A. Rehman
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1078-1083 (2024)
The simulation of EXAFS spectra of thin films via ab initio methods is discussed. The procedure for producing the spectra is presented as well as an application to a two-dimensional material (WSe2) where the effectiveness of this method in reproducin
Externí odkaz:
https://doaj.org/article/ac62aef562ec47449e297f1bc3a2c32c
Autor:
S. V. Abrosimov, B. O. Protsenko, A. S. Mannaa, V. G. Vlasenko, S. A. Guda, I. A. Pankin, A. S. Burlov, Y. V. Koshchienko, A. A. Guda, A. V. Soldatov
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 3, Pp 447-455 (2024)
Hard X-ray absorption spectroscopy is a valuable in situ probe for non-destructive diagnostics of metal sites. The low-energy interval of a spectrum (XANES) contains information about the metal oxidation state, ligand type, symmetry and distances in
Externí odkaz:
https://doaj.org/article/dc1bce4d2ded4be08c767d8b64cc13d1
Publikováno v:
Materials Research Letters, Vol 12, Iss 5, Pp 346-354 (2024)
Extended X-ray absorption fine structure (EXAFS) conducted on an equiatomic MoNbTaW bcc medium-entropy alloy that was annealed at 2273 K reveals unexpectedly small 1st and 2nd shell element-specific lattice distortions. An experimental size-mismatch
Externí odkaz:
https://doaj.org/article/a5af9170bf2240fda1bfe9a24b63ad76
Akademický článek
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Autor:
Jarrod Lewis, Ross Springell, Christopher Bell, Rebecca Nicholls, Jacek Wasik, Lottie Harding, Mahima Gupta, Janne Pakarinen, Gianguido Baldinozzi, David Andersson, Xiaofeng Guo, Steven D. Conradson
Publikováno v:
Frontiers in Nuclear Engineering, Vol 3 (2024)
The different structures and behaviors of UO2+x observed in crystallographic and local structure measurements were examined by extended X-ray absorption fine structure (EXAFS) measurements of pristine UO2.0, p+ and He2+ irradiated UO2.0, and, at mult
Externí odkaz:
https://doaj.org/article/a5cc078d6b3f4b83abf8b3294f816e8a
Autor:
Hiram Lopez-Astacio, Brenda Lee Vargas-Perez, Angelica Del Valle-Perez, Christopher J. Pollock, Lisandro Cunci
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 2, Pp 322-327 (2024)
X-ray spectroscopy is a valuable technique for the study of many materials systems. Characterizing reactions in situ and operando can reveal complex reaction kinetics, which is crucial to understanding active site composition and reaction mechanisms.
Externí odkaz:
https://doaj.org/article/6859f4d4dcb74f948e1919ff0ba63e6a
Publikováno v:
Water Science and Engineering, Vol 17, Iss 1, Pp 51-61 (2024)
Lignocellulose has the potential to become a bio-based adsorbent due to its biodegradability and renewability. In this study, a novel polydopamine-functionalized-lignin (lignin@PDA), prepared via self-polymerization of dopamine (PDA) on lignin, was u
Externí odkaz:
https://doaj.org/article/97b6f4b7973f4118a6fe08611bf33d8f
Autor:
Georgios P. Papageorgiou, Nikolaos Boukos, Maria Androulidaki, Dimitrios Christofilos, Vassilis Psycharis, Maria Katsikini, Fani Pinakidou, Eleni C. Paloura, Christoforos Krontiras, Eleni Makarona
Publikováno v:
Micro and Nano Engineering, Vol 23, Iss , Pp 100260- (2024)
Zinc oxide (ZnO) has emerged as one of the most promising candidates for mass-producing cost-efficient optoelectronic devices. This is primarily because it can be synthesized in high-quality nanostructures on a wide range of substrates through relati
Externí odkaz:
https://doaj.org/article/62d06fd5ca8e41c989738a7708c4bc16
Akademický článek
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