Structure and some magnetic properties of (BiFeO3)x-(BaTiO3)1−x solid solutions prepared by solid-state sintering

• Authors: Karol Kowal , Maciej Kowalczyk , Dionizy Czekaj , Elżbieta Jartych
• Languages of publication: EN

Abstracts

EN

This paper presents the results of the study on structure and magnetic properties of the perovskite-type (BiFeO3)x-(BaTiO3)1−x solid solutions. The samples differing in the chemical composition (x = 0.9, 0.8, and 0.7) were produced according to the conventional solid-state sintering method from the mixture of powders. Moreover, three different variants of the fabrication process differing in the temperatures and soaking time were applied. The results of X-ray diffraction (XRD), Mössbauer spectroscopy (MS), and vibrating sample magnetometry (VSM) were collected and compared for the set of the investigated materials. The structural transformation from rhombohedral to cubic symmetry was observed for the samples with x = 0.7. With increasing of BaTiO3 concentration Mössbauer spectra become broadened reflecting various configurations of atoms around 57Fe probes. Moreover, gradual decreasing of the average hyperfine magnetic field and macroscopic magnetization were observed with x decreasing.

Keywords

EN

hyperfine interactions; magnetization; Mössbauer spectroscopy; multiferroics

• Publisher: De Gruyter Open
• Journal: Nukleonika
• Year: 2015
• Volume: 60
• Issue: 1
• Pages: 81-85

Dates

published

1 - 3 - 2015

online

12 - 3 - 2015

received

18 - 6 - 2014

accepted

2 - 11 - 2014

Contributors

author

Karol Kowal

• Institute of Electronics and Information Technology, Lublin University of Technology, 38A Nadbystrzycka Str., 20-618 Lublin, Poland and Nuclear Energy Division, National Centre for Nuclear Research, 7 A. Sołtana Str., 05-400 Otwock/Świerk, Poland, Tel.: [phone], Fax: [phone]

author

Maciej Kowalczyk

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

author

Dionizy Czekaj

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

author

Elżbieta Jartych

• Institute of Electronics and Information Technology, Lublin University of Technology, 38A Nadbystrzycka Str., 20-618 Lublin, Poland

References

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Identifiers

DOI

10.1515/nuka-2015-0018