Structure and Hyperfine Interactions of Mechanically Activated Delafossite CuFeO₂

• Authors: K. Siedliska , T. Pikula , D. Oleszak , E. Jartych
• Languages of publication: EN

Abstracts

EN

Delafossite CuFeO₂ belongs to multiferroic class of materials. In this work, copper ferrite was prepared by mechanical activation with subsequent thermal treatment. X-ray diffraction and Mössbauer spectroscopy were used as complementary methods to study the structure and hyperfine interactions of the material. As proved by X-ray diffraction, CuFeO₂ compound was obtained with relatively low amount of secondary phases like CuO and CuFe₂O₄. The Mössbauer spectroscopy revealed paramagnetic character of the compound at room temperature. The purest delafossite CuFeO₂ was obtained by mechanical activation of pre-milled precursors and sintering at 1173 K. The temperature of thermal treatment is lower by 100 K as compared to the traditional solid-state synthesis.

Keywords

EN

75.85.+t; 31.30.Gs; 76.80.+y

Discipline

• 75.85.+t: Magnetoelectric effects, multiferroics(for multiferroics and magnetoelectric films, see 77.55.Nv)
• 31.30.Gs: Hyperfine interactions and isotope effects(see also 32.10.Fn Fine and hyperfine structure)
• 76.80.+y: Mössbauer effect; other γ-ray spectroscopy(see also 33.45.+x Mössbauer spectra—in atomic and molecular physics; for biophysical applications, see 87.64.kx; for chemical analysis applications, see 82.80.Ej)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2018
• Volume: 133
• Issue: 3
• Pages: 372-375

Dates

published

2018-03

Contributors

author

K. Siedliska

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

author

T. Pikula

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

author

D. Oleszak

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

author

E. Jartych

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

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Identifiers

DOI

10.12693/APhysPolA.133.372