Results 11 to 20 of about 13,692 (260)

Electrochemical Properties of Nb-Substituted Zr-Ti-Ni Hydrogen Storage Alloy Negative Electrodes for Nickel-Metal Hydride Batteries

Metals, 2018
Crystal structure, pressure-composition isotherms and electrochemical properties of the Zr0.6−xTi0.4NbxNi (x = 0.01, 0.02, and 0.05) alloys were investigated. Their X-ray diffraction profiles demonstrated that all the Zr0.6−xTi0.4NbxNi alloys
Akihiro Matsuyama, Hironori Takito, Takumi Kozuka, Hiroshi Inoue   +3 more
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Synthesis of hydroxyapatite doped with single and compound dopants and study upon the effect of crystal phase on its thermoluminescence response irradiated by gamma rays [PDF]

مجله علوم و فنون هسته‌ای, 2023
In this research work, hydroxyapatite samples doped with cerium, gadolinium, and a combination of these two dopants were synthesized through the hydrothermal method.
P. Taghipour Niar, ّF. Zolfagharpour, F. Ziaie, H. Daneshvar   +3 more
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Mineralogical and structural characterization of zeolitic tuff from the Slanci deposit, Serbia [PDF]

Geološki Anali Balkanskoga Poluostrva
Lake Miocene deposits located east of Belgrade in the Danube bend, around Veliko Selo and Slanci, are rich in zeolitic tuffs of the heulandite type. This paper presents mineralogical and structural investigations of zeolitic tuffs in which the dominant ...
Mihajlović Katarina M., Stojanović Jovica, Radosavljević-Mihajlović Ana S., Jelić Ivana, Vuković Nikola, Mihajlović Slavica, Kašić Vladan   +6 more
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Effect of the pH pre-adjustment on the formation of In2W3O12 and In6WO12 powders: Cluster coordination and optical band gap

Boletín de la Sociedad Española de Cerámica y Vidrio, 2020
In this communication, diindium tristungstate (In2W3O12) and hexaindium tungstate (In6WO12) powders were synthesized by the co-precipitation method at different pH values and heat treatment at 1073 K for 2 h.
Rafael Texeira de Paiva, Içamira Costa Nogueira, Júlio César Sczancoski, Pablo Santana Lemos, José Milton Elias Matos, Reginaldo Silva Santos, Elson Longo, Laécio Santos Cavalcante   +7 more
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Rietveld structure analysis of keatite, a rare, metastable SiO2 polymorph

Zeitschrift für Kristallographie - New Crystal Structures, 2023
O24Si12, tetragonal, P43212 (no. 96), a = 7.4462(1) Å, c = 8.5838(4) Å, V = 475.93(3) Å3, Z = 1, R(F) = 0.037, T = 293 K.
Grosskreuz Isabel, Marler Bernd
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Synthesis of CuO and Ce-doped CuO nanosheets; characterization, optical and magnetic properties [PDF]

Progress in Physics of Applied Materials, 2023
In this article, the structural, magnetic, and optical properties of CuO doped by cerium metal ions as a rare earth element synthesized by the hydrothermal method have been investigated.
Hasan Khaleghi
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Structural Characterization of Magnetite and its Influence on the Formation of Composites with Polyaniline

Orbital: The Electronic Journal of Chemistry, 2019
In this paper, we present a simple and inexpensive method for synthesizing conductive polyaniline and magnetite composites. Firstly, the magnetite was synthesized by precipitation in basic medium from FeCl3, and the Rietveld refinement confirmed the ...
Caroline Zanotto, Fernando Ratuchne, Eryza Guimarães de Castro, Patricia Teixeira Marques   +3 more
doaj   +1 more source

Search for new apatite-like phases for lead utilization based on crystal structure and thermal expansion [PDF]

Journal of the Serbian Chemical Society
Apatites, being one of the most numerous mineral-like families of compounds, are considered as a matrix for binding lead ions, which is dangerous for the biosphere.
Bulanov Evgeny N., Vasileva Anastasyya A., Golitsyna Oxana N., Shvareva Alyona G., Knyazev Alexander V.   +4 more
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Assessment of Accuracy and Error Sources of the Rietveld Quantitative Phase Analysis Method in Mineral Contents of Evaporites

Yankuang ceshi, 2017
The Rietveld phase quantitative analysis (RQPA) method has been widely applied in geology. In the analysis of evaporite, the evaluation and error control of precision are important factors to improve the quality.
CHEN Ai-qing, XUE Yong, XU Hong-liu, LI Guo-wu   +3 more
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Understanding the roles of Li2CO3 in a sulphoaluminate cement system at negative temperatures

Case Studies in Construction Materials, 2023
To overcome the slow development of mechanical strengths of sulphoaluminate cement (CSA) in winter construction, this paper investigates the effects of different amounts of admixing Li2CO3 on the setting time, compressive strength, and cooling curve of ...
Yanlin Huo, Sile Hu, Dong Lu, Xiaoyu Han, Huayang Sun, Xiaobing Ma, Tianan Liu, Chen Zhang, Zhitao Chen, Jinguang Huang, Yingzi Yang   +10 more
doaj   +1 more source