Zobrazeno 1 - 10
of 25 092
pro vyhledávání: '"XANES)"'
Autor:
Alicia G. Gubieda, Lucía Gandarias, Mihály Pósfai, Ajith Pattammattel, M. Luisa Fdez-Gubieda, Ana Abad-Díaz-de-Cerio, Ana García-Prieto
Publikováno v:
Journal of Nanobiotechnology, Vol 22, Iss 1, Pp 1-14 (2024)
Abstract Magnetic nanoparticles offer many exciting possibilities in biomedicine, from cell imaging to cancer treatment. One of the currently researched nanoparticles are magnetosomes, magnetite nanoparticles of high chemical purity synthesized by ma
Externí odkaz:
https://doaj.org/article/fc833ace10dc4bd295a70e883ab9c9c6
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1118-1125 (2024)
The normalization of X-ray absorption near-edge structure (XANES) spectra is required for comparing spectral features and extracting quantitative information in analytical techniques such as linear combination analysis, principal component analysis a
Externí odkaz:
https://doaj.org/article/d519b1456c284f418327d6fdb501f042
Autor:
Elizaveta Kozyr, Sara Martí-Sánchez, Alina Skorynina, Jordi Arbiol, Carlos Escudero, Lorenzo Mino, Aram Bugaev
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1071-1077 (2024)
In situ and operando investigation of photocatalysts plays a fundamental role in understanding the processes of active phase formation and the mechanisms of catalytic reactions, which is crucial for the rational design of more efficient materials. Us
Externí odkaz:
https://doaj.org/article/e63025e287a94fffbdea14690bf9aa5e
Autor:
Joshua D. Elliott, Victor Rogalev, Nigel Wilson, Mihai Duta, Christopher J. Reynolds, Jacob Filik, Thomas J. Penfold, Sofia Diaz-Moreno
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1276-1284 (2024)
Accurate analysis of the rich information contained within X-ray spectra usually calls for detailed electronic structure theory simulations. However, density functional theory (DFT), time-dependent DFT and many-body perturbation theory calculations i
Externí odkaz:
https://doaj.org/article/f677fd44ae614bcda7f5f51e7c417129
Autor:
Hugo Alexander Suarez Orduz, Luca Bugarin, Sarina-Lena Heck, Paolo Dolcet, Maria Casapu, Jan-Dierk Grunwaldt, Pieter Glatzel
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 4, Pp 733-740 (2024)
L3-edge high-energy-resolution fluorescence-detection X-ray absorption near-edge structure (XANES) spectra for palladium and rhodium compounds are presented, with focus on their electronic structures. The data are compared with transmission XANES spe
Externí odkaz:
https://doaj.org/article/3b3cb81cbfba47ef99952be1f230f38c
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 102887- (2024)
The morphology and composition of phosphorus in biomass wastes are key factors in determining its potential for utilization. However, the morphological distribution and evolutionary mechanism of phosphorus during the hydrothermal conversion of biomas
Externí odkaz:
https://doaj.org/article/7565a15a84f746089914db30b6e3536b
Autor:
Shuhei Kashiwamura, Shun Katakami, Taiga Yamasaki, Kazunori Iwamitsu, Hiroyuki Kumazoe, Kenji Nagata, Toshihiro Okajima, Ichiro Akai, Masato Okada
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 4, Iss 1 (2024)
We demonstrate that the noise tolerance of X-ray absorption near-edge structure (XANES) analysis can be improved by reconsidering the noise model. XANES measurement is a powerful technique to investigate the structure and electronic state of material
Externí odkaz:
https://doaj.org/article/2673e94dd67e4d798241747940f20cc1
Autor:
Phong H.N. Vo, Christian Vogel, Hong T.M. Nguyen, Brett R. Hamilton, Phong K. Thai, Philipp Roesch, Franz-Georg Simon, Jochen F. Mueller
Publikováno v:
Journal of Hazardous Materials Letters, Vol 5, Iss , Pp 100134- (2024)
An improved understanding of the distribution of per- and polyfluoroalkyl substances (PFAS) in PFAS-impacted concrete is important for risk management and decontamination of PFAS. This study incorporates µ-X-ray fluorescence (µ-XRF) and fluorine K-
Externí odkaz:
https://doaj.org/article/8a804d3fbfc4428eba424cf3b444e6c1
Publikováno v:
Frontiers in Nuclear Engineering, Vol 3 (2024)
We present new insights into the study of the UO2+x/U4O9 equilibrium in UO2 as a function of the hyper-stoichiometry (x) by coupling HERFD-XANES at the uranium M4-edge with micro-Raman spectroscopy mapping. XANES allowed the measurement of uranium sp
Externí odkaz:
https://doaj.org/article/c82dd551700f49d586c3e1dc9fbce006
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