Results 21 to 30 of about 6,031 (213)

The effect of acids precipitants on the synthesis of WO3 hierarchical nanostructures for highly selective and sensitive H2S detection

Frontiers in Sensors, 2023
The detection and monitoring of H2S gas at high and lower concentrations is very crucial since this gas is highly toxic and can affect tissues and organs, especially in occupational environment.
Thokozani Mpanza, Sunday A. Ogundipe, Ceboliyozakha L. Ndlangamandla, Hendrik C. Swart, Steven S. Nkosi   +4 more
doaj   +1 more source

Electrical and mechanical studies on ferroelectric lithium rubidium sulphate crystals [PDF]

Journal of Advanced Dielectrics, 2018
Slow evaporation method was used to grow single crystals of lithium rubidium sulphate with high transparency. Single crystal X-ray diffraction analysis shows that at room temperature, the crystal belongs to a monoclinic system with the space group P21/n.
F. A. Najar, G. B. Vakil, B. Want
doaj   +1 more source

Spectroscopy, Crystal and Molecular Structures of New 4-Acylpyrazolone Dinitrophenylhydrazones

Crystals, 2016
Still looking at the development of new materials with unique properties and taking advantage of the nucleophilic properties of amines to form stable azomethines, dinitrophenylhydrazine was reacted with 4-ethyl-5-methyl-2-phenyl-pyrazol-3-one and then ...
Omoruyi G. Idemudia, Eric C. Hosten
doaj   +1 more source

Propagation of SH waves in an regular non homogeneous monoclinic crustal layer lying over a non-homogeneous semi-infinite medium

International Journal of Applied Mechanics and Engineering, 2016
The present paper discusses the dispersion equation for SH waves in a non-homogeneous monoclinic layer over a semi infinite isotropic medium. The wave velocity equation has been obtained.
M. Sethi, A. Sharma
doaj   +1 more source

Synthesis and properties of zirconium-cerium composite via solid-state route [PDF]

Science of Sintering
This study synthesized CeO2-doped ZrO2 nanoparticles using the solid-state reaction, employing varying quantities of 0.05 mol.%, 0.15 mol.%, and 0.25 mol.% CeO2.
Naga Sravanthi M., Sudagar Jothi
doaj   +1 more source

Synthesis of zirconia-based solid acid nanoparticles for fuel cell application

Journal of Energy in Southern Africa, 2016
Zirconia nanoparticles were prepared by the precipitation and ageing methods. The precipitation method was performed by adding ammonium solution to the aqueous solution of zirconium chloride at room temperature. The ageing method was performed by leaving
Rudzani A Sigwadi, Sipho E Mavundla, Nosipho Moloto, Touhami Mokrani   +3 more
doaj   +1 more source

Epitaxy of III-Nitrides on β-Ga₂O₃ and Its Vertical Structure LEDs

Micromachines, 2019
β-Ga2O3, characterized with high n-type conductivity, little lattice mismatch with III-Nitrides, high transparency (>80%) in blue, and UVA (400–320 nm) as well as UVB (320–280 nm) regions, has great potential as the substrate for ...
Weijiang Li, Xiang Zhang, Ruilin Meng, Jianchang Yan, Junxi Wang, Jinmin Li, Tongbo Wei   +6 more
doaj   +1 more source

N-[6-(Dimethylamino)-9-phenyl-3H-telluroxanthen-3-ylidene]-N-methylmethanaminium hexafluorophosphate monoclinic polymorph

IUCrData, 2021
The title compound C23H23N2Te+·PF6−, is a monoclinic polymorph of the previously reported triclinic structure [Calitree et al. (2007). Organometallics, 26, 6248–6257].
Shea Myers, Patrick Johnson, Jason B. Benedict   +2 more
doaj   +1 more source

A monoclinic polymorph of cysteamine hydrochloride [PDF]

Acta Crystallographica Section E Structure Reports Online, 2009
cloruro de 2-mercaptoetano-aminio), C(2)H(8)NS(+)·Cl(-), la sal de hidrocloruro de cisteamina, en contraste con el polimorfo triclínico previamente informado [Kim et al. (2002▶). Polyhedron, 21, 225-228], cristalizado en el sistema cristalino monoclínico.
Saeed Ahmad, Muhammad Ashraf Shaheen, H. Stoeckli‐Evans   +2 more
openaire   +4 more sources

Tailoring Functional Properties of Ti–Ni–Cu Shape Memory Alloy Thin Films for MEMS Actuators

Advanced Engineering Materials, EarlyView.
A comprehensive study of critical parameters required to develop well‐performing Ti–Ni–Cu thin film shape memory alloy microactuators is provided. Materials science and device integration aspects are integrated by addressing structural and physical relationships using complementary characterization techniques as well as a practical fabrication solution
Elaheh Akbarnejad, Aleksander Kostka, Gowtham Arivanandhan, Yujiao Li, Alan Savan, Manfred Kohl, Alfred Ludwig   +6 more
wiley   +1 more source