Results 21 to 30 of about 59,811 (258)

Anomalous Behavior in the Atomic Structure of Nb₃Sn under High Pressure

Crystals, 2021
In the present study, the local atomic structure of a Nb3Sn superconductor sample has been probed by X-ray absorption fine structure (XAFS) as a function of hydrostatic pressure (from ambient up to 26 GPa) using a diamond anvil cell set-up.
Irene Schiesaro, Simone Anzellini, Rita Loria, Raffaella Torchio, Tiziana Spina, René Flükiger, Tetsuo Irifune, Enrico Silva, Carlo Meneghini   +8 more
doaj   +1 more source

X-ray-induced synthesis of gold nanoparticles and in situ XAFS measurements

Fushe yanjiu yu fushe gongyi xuebao, 2021
X-ray irradiation offers a promising avenue to expedite the green synthesis of nanoparticles with high efficiency, simplicity, and environmental friendliness.
FAN Jinsong, CHEN Jing, LI Jiang, ZHU Ying, WANG Lihua   +4 more
doaj   +1 more source

Extended X-ray Absorption Fine Structure Study on Ge28.33 In6 Se65.67 Glass [PDF]

مجلة جامعة النجاح للأبحاث العلوم الطبيعية, 1999
The local environment of indium atoms in the chalcogenide glass with the stoichiometric composition Ge28. 33 In6 Se65 67 has been investigated using extended X-ray absorption fine structure (EXAFS) technique.
Ghassan Saffarini
doaj   +1 more source

Cation Disorder and Local Structural Distortions in Ag_xBi_1–xS₂ Nanoparticles

Nanomaterials, 2020
By combining X-ray absorption fine structure and X-ray diffraction measurements with density functional and molecular dynamics simulations, we study the structure of a set of AgxBi1−xS2 nanoparticles, a materials system of considerable current ...
Jagadesh Kopula Kesavan, Francesco d’Acapito, Paolo Scardi, Alexandros Stavrinadis, Mehmet Zafer Akgul, Ignasi Burgués-Ceballos, Gerasimos Konstantatos, Federico Boscherini   +7 more
doaj   +1 more source

X-ray absorption spectroscopy and X-ray diffraction data for molybdenum minerals and compounds

Data in Brief, 2022
We report Mo K- and LIII-edge X-ray absorption spectroscopy (XAS) and X-ray diffraction (XRD) data collected for 15 molybdenum minerals and compounds sourced from museum collections, mineral dealers, and chemical suppliers. The samples were finely ground
Valerie A. Schoepfer, Matthew B.J. Lindsay   +1 more
doaj   +1 more source

XAFS Analysis of Sulfuric Acid Solution Related to the Effect of Bi in Suppressing the Disproportionation Reaction of Mn3+ in Mn/Ti Redox Flow Cells

Electrochemistry, 2023
In sulfuric acid (H2SO4) aqueous solutions containing manganese (Mn) and titanium (Ti) ions, which are used for the positive electrolyte in redox flow (RF) batteries, the addition of a small quantity of bismuth (Bi) has been found to be very effective in
Junji IIHARA, Kazuya TOKUDA, Yoshihiro SAITO   +2 more
doaj   +1 more source

Integration of X-ray absorption fine structure databases for data-driven materials science

Science and Technology of Advanced Materials: Methods, 2023
With the aim of introducing data-driven science and establishing an infrastructure for making X-ray absorption fine structure (XAFS) spectra findable and reusable, we have integrated XAFS databases in Japan. This integrated database (MDR XAFS DB) enables
Masashi Ishii, Kosuke Tanabe, Asahiko Matsuda, Hironori Ofuchi, Takahiro Matsumoto, Toyonari Yaji, Yasuhiro Inada, Hiroaki Nitani, Masao Kimura, Kiyotaka Asakura   +9 more
doaj   +1 more source

Detection the structure-activity relationship of  platinum-bismuth catalyst in methane oxidation by X-ray adsorption fine structure

He jishu, 2021
Background060102PurposeThis study aims to detect the interaction between platinum (Pt) and bismuth (Bi) species and their "structure-activity" relationship in methane oxidation through X-ray absorption fine structure (XAFS) technology.MethodsFirst of all,
NAN Bing, HUANG Yuying, LI Lina
doaj   +1 more source

Structural and electronic investigation of ZnO nanostructures synthesized under different environments

Heliyon, 2018
An explicit study of comparison on the basis of structure and electronic properties of ZnO nanostructures was discussed. ZnO synthesized by sol-gel and hydrothermal method without using any surfactant leads to the formation of two different morphologies.
Richa Bhardwaj, Amardeep Bharti, Jitendra P. Singh, Keun Hwa Chae, Navdeep Goyal, Sanjeev Gautam   +5 more
doaj   +1 more source

Insight into an atomic arrangement of [KNbO3]0.9 – [BaNi0.5Nb0.5O3]0.1 powder formed at various calcination temperatures by X-ray absorption spectroscopy

Results in Physics, 2017
Lead-free [KNbO3]0.9 – [BaNi0.5Nb0.5O3]0.1 (KBNNO) perovskite powders are synthesized by the solid-state combustion technique. Phase identification and the crystal structure change at various calcination temperatures Tcal are carried out by X-ray ...
Saichon Sriphan, Suwit Kiravittaya, Pinit Kidkhunthod, Theerachai Bongkarn   +3 more
doaj   +1 more source