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Entropy-stabilized oxides

Author

Listed:
  • Christina M. Rost

    (North Carolina State University)

  • Edward Sachet

    (North Carolina State University)

  • Trent Borman

    (North Carolina State University)

  • Ali Moballegh

    (North Carolina State University)

  • Elizabeth C. Dickey

    (North Carolina State University)

  • Dong Hou

    (North Carolina State University)

  • Jacob L. Jones

    (North Carolina State University)

  • Stefano Curtarolo

    (Center for Materials Genomics, Duke University)

  • Jon-Paul Maria

    (North Carolina State University)

Abstract

Configurational disorder can be compositionally engineered into mixed oxide by populating a single sublattice with many distinct cations. The formulations promote novel and entropy-stabilized forms of crystalline matter where metal cations are incorporated in new ways. Here, through rigorous experiments, a simple thermodynamic model, and a five-component oxide formulation, we demonstrate beyond reasonable doubt that entropy predominates the thermodynamic landscape, and drives a reversible solid-state transformation between a multiphase and single-phase state. In the latter, cation distributions are proven to be random and homogeneous. The findings validate the hypothesis that deliberate configurational disorder provides an orthogonal strategy to imagine and discover new phases of crystalline matter and untapped opportunities for property engineering.

Suggested Citation

  • Christina M. Rost & Edward Sachet & Trent Borman & Ali Moballegh & Elizabeth C. Dickey & Dong Hou & Jacob L. Jones & Stefano Curtarolo & Jon-Paul Maria, 2015. "Entropy-stabilized oxides," Nature Communications, Nature, vol. 6(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9485
    DOI: 10.1038/ncomms9485
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    Cited by:

    1. Hengwei Luan & Xin Zhang & Hongyu Ding & Fei Zhang & J. H. Luan & Z. B. Jiao & Yi-Chieh Yang & Hengtong Bu & Ranbin Wang & Jialun Gu & Chunlin Shao & Qing Yu & Yang Shao & Qiaoshi Zeng & Na Chen & C. , 2022. "High-entropy induced a glass-to-glass transition in a metallic glass," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    2. Sung-Kyun Jung & Hyeokjo Gwon & Hyungsub Kim & Gabin Yoon & Dongki Shin & Jihyun Hong & Changhoon Jung & Ju-Sik Kim, 2022. "Unlocking the hidden chemical space in cubic-phase garnet solid electrolyte for efficient quasi-all-solid-state lithium batteries," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    3. Gao, Yibo & Mao, Yanpeng & Song, Zhanlong & Zhao, Xiqiang & Sun, Jing & Wang, Wenlong & Chen, Guifang & Chen, Shouyan, 2020. "Efficient generation of hydrogen by two-step thermochemical cycles: Successive thermal reduction and water splitting reactions using equal-power microwave irradiation and a high entropy material," Applied Energy, Elsevier, vol. 279(C).
    4. Lei Su & Huaixun Huyan & Abhishek Sarkar & Wenpei Gao & Xingxu Yan & Christopher Addiego & Robert Kruk & Horst Hahn & Xiaoqing Pan, 2022. "Direct observation of elemental fluctuation and oxygen octahedral distortion-dependent charge distribution in high entropy oxides," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    5. Wei Chen & Antoine Hilhorst & Georgios Bokas & Stéphane Gorsse & Pascal J. Jacques & Geoffroy Hautier, 2023. "A map of single-phase high-entropy alloys," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    6. Martina Fracchia & Mauro Coduri & Maela Manzoli & Paolo Ghigna & Umberto Anselmi Tamburini, 2022. "Is configurational entropy the main stabilizing term in rock-salt Mg0.2Co0.2Ni0.2Cu0.2Zn0.2O high entropy oxide?," Nature Communications, Nature, vol. 13(1), pages 1-4, December.
    7. Yixiu Luo & Luchao Sun & Jiemin Wang & Tiefeng Du & Cui Zhou & Jie Zhang & Jingyang Wang, 2023. "Phase formation capability and compositional design of β-phase multiple rare-earth principal component disilicates," Nature Communications, Nature, vol. 14(1), pages 1-13, December.

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