THERMAL STABILITY OF TI NANOPARTICLES COATED BY NI

1 CIESLAR Miroslav
Co-authors:
1 BAJTOŠOVÁ Lucia 1 ŠTAFFENOVÁ Nikoleta 1 CHOCHOĽÁKOVÁ Elena 1 HANUŠ Jan 2 FIKAR Jan
Institutions:
1 Charles University, Faculty of Mathematics and Physics, Prague, Czech Republic, EU, Miroslav.Cieslar@mff.cuni.cz, 96473937@o365.cuni.cz, nikoleta.staffenova635@student.cuni.cz,ech4285@gmail.com,Jan.Hanus@mff.cuni.cz%20
2 Czech Academy of Sciences, Institute of Physics of Materials, Brno, Czech Republic, EU, fikar@ipm.cz
Conference:
33rd International Conference on Metallurgy and Materials, Orea Congress Hotel Brno, Czech Republic, EU, May 22 - 24, 2024
Proceedings:
Proceedings 33rd International Conference on Metallurgy and Materials
Pages:
425-430
ISBN:
978-80-88365-21-1
ISSN:
2694-9296
Published:
26th June 2024
Metrics:
20 views / 22 downloads
Abstract

<div>Ti nanoparticles were deposited on a glass substrate by a gas aggregation source and coated with a thin layer of Niunder different deposition conditions. The resulting composite consists either of a mixture of TiO2-covered Ti nanoparticles or core-shell Ti-Ni nanoparticles embedded in the Ni matrix. The thermal stability of the composite was studied during in-situ heating in the transmission electron microscope. Corresponding changes in the morphology of nanoparticles and the phase composition of the material were analyzed by energy-dispersive X-ray analysis and scanning (transmission) electron microscopy. The influence of the heating rate during the quasi-isochronal heating regime was tested. The coagulation of Ni in the Ti-Ni core-shell system was confirmed by molecular dynamics simulation.</div>

Keywords: Nanoparticles, magnetron sputtering, Ti@Ni core-shell, in situ TEM annealing

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Scroll to Top