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Magnetic and spin-phonon coupling studies of magneto-electric SrFe8Co2Ti2O19 M−type hexaferrite.
- Source :
-
Journal of Magnetism & Magnetic Materials . Nov2022, Vol. 562, pN.PAG-N.PAG. 1p. - Publication Year :
- 2022
-
Abstract
- • The temperature dependent Raman studies of SrFe8Co2Ti2O19 M- type hexaferrite are reported. • Spin phonon coupling is observed in SrFe8Co2Ti2O19 Y- type hexaferrite. • The In-field Mossbauer spectroscpic studies confirm the Fe3 + ions distribution at different crystallographic sites. Structural, magnetic, in-field 57Fe Mössbauer and Raman studies of SrFe 8 Co 2 Ti 2 O 19 polycrystalline magneto-electric hexaferrite are reported in this article. From bulk magnetization measurements, a transition is observed at 330 K, which is ascribed to a conical like magnetic transition. The population of spin-up and spin-down sites at tetrahedral and octahedral sites are calculated from in-field 57Fe Mössbauer spectroscopic studies. Furthermore, the observed cation distribution suggests that the Co2+ ions occupy the spin-down 4f 2 octahedral site, which is reported to stabilize the conical magnetic structure and is expected to play an important role in the magneto-electric properties. Temperature-dependent Raman spectroscopy studies confirmed the spin-phonon coupling in the prepared sample. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 03048853
- Volume :
- 562
- Database :
- Academic Search Index
- Journal :
- Journal of Magnetism & Magnetic Materials
- Publication Type :
- Academic Journal
- Accession number :
- 158930967
- Full Text :
- https://doi.org/10.1016/j.jmmm.2022.169868