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Title: The influence of mechanical activation on the morphological changes of Fe/BaTiO<inf>3</inf> powder
Authors: Kosanović, Darko
Obradovic, Nina
Pavlović, Vera
Markovic, Smilja
Maričič A.
Rasić G.
Vlahović B.
Pavlović, Vladimir
Runić Ristić M.
Journal: Materials Science and Engineering B: Solid-State Materials for Advanced Technology
Issue Date: 1-Oct-2016
Abstract: © 2016 Crystal structure and morphology of mechanically activated nanocrystalline Fe/BaTiO3 was investigated using a combination of spectroscopic and microscopic methods. These show that mechanical activation led to the creation of new surfaces and the comminution of the initial powder particles. Prolonged milling resulted in formation of larger agglomerates of BaTiO3 and bimodal particle size distribution, where BaTiO3 particles were significantly larger than those of iron-containing phases. Milling times of 210 min and above lead to a significant decrease in temperature of the oxidation of iron in the sample, indicating abrupt change in reactivity. Raman spectroscopy analysis has revealed that activation had a pronounced influence on Fe/BaTiO3 lattice, thereby affecting both the stability of the crystal structure and the phase transition phenomena.
Type: Article
DOI: 10.1016/j.mseb.2016.07.016
ISSN: 09215107
SCOPUS: 84981187942
Appears in Collections:University Library, Kragujevac
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