High-entropyoxideMg 0.2 Co 0.2 Fe 0.2 Ni 0.2 Zn 0.2 O: synthesis,X-ray diraction and Mossbauerstudies
https://doi.org/10.26907/mrsej-24304
Abstract
High-entropy oxide Mg0.2Co0.2Fe0.2Ni0.2Zn0.2O was successfully synthesized. Using X-ray diffraction analysis, it was found that the sample has a single-phase composition with the NaCl-type face-centered cubic structure and the lattice constant of 4.22 Å. The sample was studied using Mössbauer spectroscopy at temperatures from 80 K to 295 K. It was determined that the relative content of divalent and trivalent iron ions in the sample is 67% and 33%, respectively. Based on the temperature dependence of the hyperfine magnetic field on 57Fe nuclei, the magnetic transition temperature was determined to be 201 K.
Supporting agencies: The researchwasfundedbythesubsidyallocatedtoKazanFederalUniversityforthestate assignmentinthesphereofscienticactivities(FZSM-2022-0021).
About the Authors
V. F. Musin
Kazan Federal University
Russian Federation
Russian Federation
Kazan420008
A. L. Zinnatullin
Kazan Federal University
Russian Federation
Russian Federation
Kazan420008
F. G. Vagizov
Kazan Federal University
Russian Federation
Russian Federation
Kazan420008
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Review
For citations:
Musin V.F., Zinnatullin A.L., Vagizov F.G. High-entropyoxideMg 0.2 Co 0.2 Fe 0.2 Ni 0.2 Zn 0.2 O: synthesis,X-ray diraction and Mossbauerstudies. Magnetic Resonance in Solids. 2024;26(3):24304 (6 pp.). https://doi.org/10.26907/mrsej-24304
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