<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The aim of the study was to determine the structure and hyperfine interactions of Bim+1Ti3Fem−3O3m+3 multiferroic Aurivillius compounds prepared by mechanical activation process. X-ray diffraction and Mössbauer spectroscopy were applied as complementary methods. After the process of mechanical milling, desired Aurivillius phases were not formed, thus, thermal treatment needed to be applied. Heating the product of mechanical activation up to 993 K allowed to obtain Aurivillius phases with relatively large amount of non-reacted hematite. However, after the material was annealed at an elevated temperature of 1073 K, the content of not fully synthesized hematite was significantly reduced. Mössbauer spectroscopy confirmed that Aurivillius compounds remain in paramagnetic state at room temperature.</p></abstract>

The aim of the study was to determine the structure and hyperfine interactions of Bim+1Ti3Fem−3O3m+3 multiferroic Aurivillius compounds prepared by mechanical activation process. X-ray diffraction and Mössbauer spectroscopy were applied as complementary methods. After the process of mechanical milling, desired Aurivillius phases were not formed, thus, thermal treatment needed to be applied. Heating the product of mechanical activation up to 993 K allowed to obtain Aurivillius phases with relatively large amount of non-reacted hematite. However, after the material was annealed at an elevated temperature of 1073 K, the content of not fully synthesized hematite was significantly reduced. Mössbauer spectroscopy confirmed that Aurivillius compounds remain in paramagnetic state at room temperature.

Structure and hyperfine interactions in multiferroic Aurivillius Bim+1Ti3Fem−3O3m+3 compounds prepared by mechanical activation

Institute of Electronics and Information Technology, Faculty of Electrical Engineering and Computer Science, Lublin University of Technology, Nadbystrzycka Str. 38A, PL-20-618, Lublin, Poland

Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska Str. 141, PL-02-507, Warsaw, Poland

Department of Materials Science, University of Silesia, Śnieżna Str. 2, PL-41-200, Sosnowiec, Poland

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The aim of the study was to determine the structure and hyperfine interactions of Bim+1Ti3Fem−3O3m+3 multiferroic Aurivillius compounds prepared by mechanical...

Structure and hyperfine interactions in multiferroic Aurivillius Bim+1Ti3Fem−3O3m+3 compounds prepared by mechanical activation

Published Online: Dec 19, 2014

Page range: 676 - 681

DOI: https://doi.org/10.2478/s13536-014-0242-9

Keywords
Aurivillius compounds, mechanical activation, Mössbauer spectroscopy

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Structure and hyperfine interactions in multiferroic Aurivillius Bim+1Ti3Fem−3O3m+3 compounds prepared by mechanical activation

Published Online: Dec 19, 2014

Page range: 676 - 681

DOI: https://doi.org/10.2478/s13536-014-0242-9

KeywordsAurivillius compounds, mechanical activation, Mössbauer spectroscopy

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Aurivillius compounds, mechanical activation, Mössbauer spectroscopy