Structure and hyperfine interactions in multiferroic Aurivillius Bi m+1Ti3Fe m−3O3m+3 compounds prepared by mechanical activation

• Autorzy: Mazurek M. , Oleszak D. , Czekaj D.

Identyfikatory

DOI

10.2478/s13536-014-0242-9

• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

Aurivillius compounds; mechanical activation; Mössbauer spectroscopy

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2014
• Tom: Vol. 32, No. 4
• Strony: 676--681
• Opis fizyczny: Bibliogr. 12 poz., rys., tab.

Twórcy

autor

Mazurek M.

• 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

autor

Oleszak D.

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

autor

Czekaj D.

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

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