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

• Autorzy: Karol Kowal , Maciej Kowalczyk , Dionizy Czekaj , Elżbieta Jartych
• Języki publikacji: EN

Abstrakty

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.

Słowa kluczowe

EN

hyperfine interactions; magnetization; Mössbauer spectroscopy; multiferroics

• Czasopismo: Nukleonika
• Rocznik: 2015
• Tom: 60
• Numer: 1
• Strony: 81-85

Daty

wydano

2015-03-01

otrzymano

2014-06-18

zaakceptowano

2014-11-02

online

2015-03-12

Twórcy

autor

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],

autor

Maciej Kowalczyk

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

autor

Dionizy Czekaj

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

autor

Elżbieta Jartych

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

Bibliografia

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Identyfikatory

DOI

10.1515/nuka-2015-0018