Issue 43, 2020, Issue in Progress
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RSC Advances

Effects of high mechanical treatment and long-term annealing on crystal structure and thermal stability of Ti2O3 nanocrystals

Albina A. Valeeva, ORCID logo *ab   Svetlana Z. Nazarova,a   Hartmuth Schröttner,c   Evgeny Yu. Gerasimovd  and  Andrey A. Rempelabe  

* Corresponding authors

a Institute of Solid State Chemistry of the Ural Branch of the Russian Academy of Sciences, 620990 Ekaterinburg, Russia
E-mail: anibla_v@mail.ru

b Ural Federal University, 620002 Ekaterinburg, Russia

c Institute for Electron Microscopy and Nanoanalysis, Graz University of Technology, A-8010 Graz, Austria

d Boreskov Institute of Catalysis SB RAS, 630090 Novosibirsk, Russia

e Institute of Metallurgy of the Ural Branch of the Russian Academy of Sciences, 620016 Ekaterinburg, Russia

Abstract

The effect of high-energy milling and long-term annealing on the stability of Ti2O3 nanocrystals was studied using a magnetic susceptibility method. In situ temperature dependences revealed that the crystal size greatly affects the magnetic susceptibility value. According to XRD, SEM and TEM data, Magnéli phases Ti9O10, Ti4O7, Ti7O19 and Ti3O5 are formed.

Graphical abstract: Effects of high mechanical treatment and long-term annealing on crystal structure and thermal stability of Ti2O3 nanocrystals

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Article information

DOI
https://doi.org/10.1039/D0RA03862H
Article type
Paper
Submitted
29 Apr 2020
Accepted
24 Jun 2020
First published
07 Jul 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 25717-25720

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Effects of high mechanical treatment and long-term annealing on crystal structure and thermal stability of Ti2O3 nanocrystals

A. A. Valeeva, S. Z. Nazarova, H. Schröttner, E. Yu. Gerasimov and A. A. Rempel, RSC Adv., 2020, 10, 25717 DOI: 10.1039/D0RA03862H

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