Results 11 to 20 of about 3,689 (252)

Fastosh: a software for the treatment of XAFS datasets of environmental relevance or acquired in operando conditions [PDF]

Journal of Synchrotron Radiation
Fastosh is a freeware dedicated to the treatment of X-ray absorption fine-structure (XAFS) spectroscopy data. The program features functions that are particularly suitable for geochemical and environmental applications and treatment of XAFS datasets ...
Gautier Landrot, Emiliano Fonda
doaj   +2 more sources

Can laboratory-based XAFS compete with XRD and Mössbauer spectroscopy as a tool for quantitative species analysis? Critical evaluation using the example of a natural iron ore. [PDF]

PLoS ONE
While X-ray diffraction (XRD) is a commonly used method for quantification analysis using Rietveld refinement and quantitative Mössbauer spectroscopy is sporadically used primarily for iron speciation, laboratory X-ray Absorption Fine Structure ...
Sebastian Praetz, Christopher Schlesiger, Damian Alexander Motz, Stephen Klimke, Moritz Jahns, Christine Gottschalk, Lena Heinrich, Eva Maria Heppke, Wolfgang Malzer, Franz Renz, Carla Vogt, Birgit Kanngießer   +11 more
doaj   +2 more sources

Design and application of an electrochemical cell for operando X-ray diffraction and absorption studies for electrocatalysts [PDF]

Journal of Synchrotron Radiation
The development of advanced catalysts for various electrochemical reactions necessitates precise characterization of their structure and dynamic evolution.
Jiajun Chen, Zhenzhong Li, Huiyan Zeng, Liting Deng, Long Gu, Chao Wang, Chunzhen Yang, Dongbai Sun   +7 more
doaj   +2 more sources

High-Speed X-Ray Imager ‘Hayaka’ and Its Application for Quick Imaging XAFS and in Coquendo 4DCT Observation [PDF]

Sensors
A lens-coupled high-speed X-ray camera, “Hayaka”, was developed for quick imaging of X-ray absorption fine structure (XAFS) and time-resolved high-speed computed tomography (CT) using synchrotron radiation (SR).
Akio Yoneyama, Midori Yasuda, Wataru Yashiro, Hiroyuki Setoyama, Satoshi Takeya, Masahide Kawamoto   +5 more
doaj   +2 more sources

HERMES – a GUI-based software tool for pre-processing of X-ray absorption spectroscopy data from laboratory Rowland circle spectrometers

Journal of Synchrotron Radiation, 2022
HERMES, a graphical user interface software tool, is presented, for pre-processing X-ray absorption spectroscopy (XAS) data from laboratory Rowland circle spectrometers, to meet the data handling needs of a growing community of practice.
Marco E. Seddon-Ferretti, Lucy M. Mottram, Martin C. Stennett, Claire L. Corkhill, Neil C. Hyatt   +4 more
doaj   +1 more source

Role of Ptnc-FeOx metal-oxide interface in enhancing the catalytic activity for CO oxidation

He jishu, 2021
BackgroundMetal-oxide interface plays critical roles in promoting the catalytic activities of metal catalysts in a vast diversity of reactions. Maximizing this interfacial interaction so as to optimize the catalytic performance is an active subject of ...
LIU Chengyong, HUANG Li, SONG Xueyang, HE Wenxue, WANG Siyu, LONG Zhixin, SUN Zhihu, WEI Shiqiang   +7 more
doaj   +1 more source

Upgrade of transmission XAFS data acquisition system upgrade of Shanghai Synchrotron Radiation Facility BL14W1 beamline station

He jishu, 2022
BackgroundX-ray absorption spectroscopy (XAS) has a wide range of applications in materials science, biology, chemistry and other fields.PurposeThis study aims to improve the efficiency of transmission acquisition of synchrotron X-ray absorption fine ...
LIU Hongzhou, LI Ji, GU Songqi, SU Xiaozhi, MEI Bingbao, JIANG Zheng, LIU Zhi   +6 more
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Coupling between γ-irradiation and synchrotron-radiation-based XAFS techniques for studying Mn-doped ZnO nanoparticles

Journal of Synchrotron Radiation, 2022
γ-Irradiation and synchrotron-radiation-based X-ray absorption fine-structure (XAFS) spectroscopy have been used to induce structure disorder through the interaction of γ-rays (200 kGy) with fabricated Mn-doped ZnO nanoparticles (NPs) and then to examine
N. G. Imam, Messaoud Harfouche, A. A. Azab, S. Solyman   +3 more
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A polycrystalline diamond micro-detector for X-ray absorption fine-structure measurements

Journal of Synchrotron Radiation, 2022
The microminiaturization of detectors used to record the intensity of X-ray beams is very favorable for combined X-ray experimental techniques. In this paper, chemical-vapor-deposited (CVD) polycrystalline diamond film was used to fabricate a micro ...
Lei Yao, Yunpeng Liu, Bingjie Wang, Lixiong Qian, Xueqing Xing, Guang Mo, Zhongjun Chen, Zhonghua Wu   +7 more
doaj   +1 more source

Dispersion and stability mechanism of Pt nanoparticles on transition-metal oxides

Scientific Reports, 2022
The heterogeneous catalysts of Pt/transition-metal oxides are typically synthesized through calcination at 500 °C, and Pt nanoparticles are uniformly and highly dispersed when hydrogen peroxide (H2O2) is applied before calcination.
Eun-Suk Jeong, In-Hui Hwang, Sang-Wook Han   +2 more
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