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A new class of spinel high-entropy oxides with controllable magnetic properties
Abstract
Abstract A new class of high-entropy spinel oxides, (Cr0.2Fe0.2Mn0.2Ni0.2Zn0.2)3O4 and (Cr0.2Fe0.2Mn0.2Co0.2Zn0.2)3O4 nanocrystalline powders, has been synthesized by solution combustion synthesis. Their microstructures and magnetic properties were compared with those of (Cr0.2Fe0.2Mn0.2Co0.2Ni0.2)3O4. All the oxides were identified to have the spinel crystal structure (Fd-3m) with average crystallite size of about 24 nm, and their lattice parameters found to decrease with reduction in the electronegativity of Ni2+, Co2+ and Zn2+. Furthermore, nonmagnetic Zn2+ substitution for either magnetic Co2+ or Ni2+ weakened the ferromagnetic ordering and magnetic moments, showing the controllable magnetic property of this new class of high-entropy oxides.
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Citations
Cited by
Oses, C., Toher, C., & Curtarolo, S. (2020) · Nature Reviews Materials · doi:10.1038/s41578-019-0170-8 · Cited by 2,081
Zhao, B., Du, Y., Yan, Z., Rao, L., Chen, G., Yuan, M., Yang, L., Zhang, J., & Che, R. (2023) · Advanced Functional Materials · doi:10.1002/adfm.202209924 · Cited by 493
High entropy oxides: The role of entropy, enthalpy and synergy
Sarkar, A., Breitung, B., & Hahn, H. (2020) · Scripta Materialia · doi:10.1016/j.scriptamat.2020.05.019 · Cited by 389
Musicó, B. L., Gilbert, D., Ward, T. Z., Page, K., George, E., Yan, J., Mandrus, D., & Keppens, V. (2020) · APL Materials · doi:10.1063/5.0003149 · Cited by 299
Metadata
- Authors
- Mao, A., Xiang, H.-Z., Zhang, Z.-G., Kuramoto, K., Zhang, H., & Jia, Y.
- Venue
- Journal of Magnetism and Magnetic Materials
- Publisher
- Elsevier BV
- Published
- 2020-03
- Volume
- 497
- Pages
- 165884
- ISSN
- 0304-8853 (ISSN-L)
- OpenAlex
- W2975687389
- Cited by
- 231
- References
- 0
- FWCI
- 12.14
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mao, A., Xiang, H.-Z., Zhang, Z.-G., Kuramoto, K., Zhang, H., & Jia, Y. (2020). A new class of spinel high-entropy oxides with controllable magnetic properties. Journal of Magnetism and Magnetic Materials. https://doi.org/10.1016/j.jmmm.2019.165884
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