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Rare earth and transition metal based entropy stabilised perovskite type oxides
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Abstract Multicomponent oxides with perovskite type of structure containing up to 10 different cations in equiatomic amounts have been synthesised for the first time. Out of eleven systems synthesised, only six systems crystallised as single phase perovskite type compounds with random and homogenous cation distribution on the respective sites. The formation of phase pure 10-cationic system, (Gd0.2La0.2Nd0.2Sm0.2Y0.2)(Co0.2Cr0.2Fe0.2Mn0.2Ni0.2)O3, in contrast to the multiphase mixtures observed in five of the lower entropy systems (containing 6 cations) indicates a possible role of entropy in the stabilisation of a single phase crystal structure. The entropy driven structural stabilisation effect is further supported by the reversible phase transformation, from single phase to multiple phase upon cyclic heat treatment, observed in the (Gd0.2La0.2Nd0.2Sm0.2Y0.2)MnO3 system. This type of entropic signature has been observed in rocksalt based high entropy oxide systems. However, it has not been reported before for perovskite based compounds, as shown in this study.
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Shannon, R. D. (1976) · Acta Crystallographica Section A · doi:10.1107/s0567739476001551 · Cited by 66,145
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Schneider, C. A., Rasband, W. S., & Eliceiri, K. W. (2012) · Nature Methods · doi:10.1038/nmeth.2089 · Cited by 64,638
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Oses, C., Toher, C., & Curtarolo, S. (2020) · Nature Reviews Materials · doi:10.1038/s41578-019-0170-8 · Cited by 2,081
High‐Entropy Oxides: Fundamental Aspects and Electrochemical Properties
Sarkar, A., Wang, Q., Schiele, A., Chellali, M. R., Bhattacharya, S. S., Wang, D., Brezesinski, T., Hahn, H., Velasco, L., & Breitung, B. (2019) · Advanced Materials · doi:10.1002/adma.201806236 · Cited by 1,234
Self-citationRecent progress of high-entropy materials for energy storage and conversion
Amiri, A., & Shahbazian-Yassar, R. (2021) · Journal of Materials Chemistry A · doi:10.1039/d0ta09578h · Cited by 592
Understanding the Role of Entropy in High Entropy Oxides
Aamlid, S. S., Oudah, M., Rottler, J., & Hallas, A. M. (2023) · Journal of the American Chemical Society · doi:10.1021/jacs.2c11608 · Cited by 574
Multi-anionic and -cationic compounds: new high entropy materials for advanced Li-ion batteries
Wang, Q., Sarkar, A., Wang, D., Velasco, L., Azmi, R., Bhattacharya, S. S., Bergfeldt, T., Düvel, A., Heitjans, P., Brezesinski, T., et al. (2019) · Energy & Environmental Science · doi:10.1039/c9ee00368a · Cited by 447
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Metadata
- Authors
- Sarkar, A., Djenadic, R., Wang, D., Hein, C., Kautenburger, R., Clemens, O., & Hahn, H.
- Venue
- Journal of the European Ceramic Society
- Publisher
- Elsevier BV
- Published
- 2018-05
- Volume
- 38
- Issue
- 5
- Pages
- 2318-2327
- ISSN
- 0955-2219 (ISSN-L)
- OpenAlex
- W2778527191
- Cited by
- 577
- References
- 2
- FWCI
- 20.89
- Type
- journal article
- Language
- en
- Open access
- green
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- Sarkar, A., Djenadic, R., Wang, D., Hein, C., Kautenburger, R., Clemens, O., & Hahn, H. (2018). Rare earth and transition metal based entropy stabilised perovskite type oxides. Journal of the European Ceramic Society. https://doi.org/10.1016/j.jeurceramsoc.2017.12.058
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