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Submicron particles of Cr-substituted strontium hexaferrite: anomalous X-ray diffraction studies, hard magnetic properties, millimeter-wave absorption, and research prospects

Year: 2025
Type: article
Abstract: . This correlates with reducing magnetization and magnetocrystalline anisotropy constant; however, the resulting anisotropy field increases and leads to the enhancement of the coercivity and FMR frequency. We also summarized the data obtained on Cr substitution and compared it with Al and Ga, which are also known to improve the hard magnetic properties of hexaferrites, and showed that the differences in their properties can be explained by the distribution features of the substituting ions in the hexaferrite lattice. Our findings demonstrate that chromium-substituted hexaferrites offer an effective route to enhance hard magnetic properties and high-frequency performance, paving the way for their integration into rare-earth-free permanent magnets, spintronic devices, and future generations of wireless technologies.
DOI: 10.1039/d5mh00425j
Authors: Evgeny A. Gorbachev, Vasily A. Lebedev, Ekaterina S. Kozlyakova, Liudmila N. Alyabyeva, Antonio Cervellino, Ilya V. Roslyakov, Iana S. Soboleva, Alexey V. Sobolev, Lev A. Trusov
Institutions: Shenzhen MSU-BIT University, University of Limerick, Lomonosov Moscow State University, Centre of Advanced Studies, Paul Scherrer Institute, Swiss Light Source, NS Kurnakova Institute of General and Inorganic Chemistry
Language: English
Open Access status: green
OpenAlex ID: W4410413613
FWCI: 2.086
Cites: 64
Cited by: 10
Related to: 10