Emerging opportunities for Sr2FeReO6 and Sr2CrWO6 double perovskites in potential magnetic refrigerants and spintronics in room temperature regime

The electronic structure, magneto-optic properties of two systems: Sr 2 FeReO 6 and Sr 2 CrWO 6 are investigated using the FPLAPW employing the GGA approximation. Our results show that the two systems have a half metallic character. The obtained magnetic moments indicate that first is ferromagnetic,...

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Bibliographic Details
Published inApplied physics. A, Materials science & processing Vol. 128; no. 11
Main Authors Masrour, R., Kadim, G., Jabar, A., Hlil, E. K., Ellouze, M.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.11.2022
Springer Nature B.V
Springer Verlag
Subjects
Applied physics
Characterization and Evaluation of Materials
Condensed Matter Physics
Electronic structure
Ferromagnetism
Machines
Magnetic moments
Magnetic properties
Manufacturing
Materials science
Mathematical analysis
Nanotechnology
Optical and Electronic Materials
Perovskites
Physics
Physics and Astronomy
Processes
Room temperature
Spintronics
Surfaces and Interfaces
Temperature effects
Thin Films
DFT
Monte Carlo simulations
FeReO
CrWO
and Sr
Ab-initio
Sr
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Summary:The electronic structure, magneto-optic properties of two systems: Sr 2 FeReO 6 and Sr 2 CrWO 6 are investigated using the FPLAPW employing the GGA approximation. Our results show that the two systems have a half metallic character. The obtained magnetic moments indicate that first is ferromagnetic, while the second is ferrimagnetic. The DFT was used to calculate the magnetic moment and the exchange energies. The obtained results are used in Monte Carlo simulations (MCS) to determine some magnetic parameters such as: magnetization, susceptibility, relative cooling power, adiabatic change in temperature and magnetic entropy under temperature effect.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-022-06152-1