Ferroelectric large polarons

Kiyoshi Miyata and X.-Y. Zhu analyse the ferroelectric-like dielectric response of lead halide perovskites in the terahertz region and discuss the potential role of polar nanodomains in accounting for the defect tolerance and low recombination rates of these materials.

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Fig. 1: Ferroelectric-like behaviour of lead halide perovskites and implications for the large polaron model.

adapted from ref. 3, Royal Society of Chemistry and ref. 5, Wiley (c); ref. 14, Univ. of Missouri-Kansas City (d); ref. 15, AIP (e); ref. 16, Academic (f).

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Acknowledgements

X.Y.Z. acknowledges support by the Vannevar Bush Faculty Fellowship through Office of Naval Research grant no. N00014-18-1-2080 during the writing of this paper. K.M. acknowledges the Japan Society for the Promotion of Science for financial support.

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Correspondence to X.-Y. Zhu.

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Miyata, K., Zhu, X. Ferroelectric large polarons. Nature Mater 17, 379–381 (2018). https://doi.org/10.1038/s41563-018-0068-7

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