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. 2017 Oct 18;53(81):11233-11236.
doi: 10.1039/c7cc06928f. Epub 2017 Sep 28.

Compositional nanodomain formation in hybrid formate perovskites

Edwina A Donlan  1 , Hanna L B Boström, Harry S Geddes, Emily M Reynolds, Andrew L Goodwin
Affiliations

Compositional nanodomain formation in hybrid formate perovskites

Edwina A Donlan et al. Chem Commun (Camb). .

Abstract

We report the synthesis and structural characterisation of three mixed-metal formate perovskite families [C(NH2)3]CuxM1-x(HCOO)3 (M = Mn, Zn, Mg). Using a combination of infrared spectroscopy, non-negative matrix factorization, and reverse Monte Carlo refinement, we show that the Mn- and Zn-containing compounds support compositional nanodomains resembling the polar nanoregions of conventional relaxor ferroelectrics. The M = Mg family exhibits a miscibility gap that we suggest reflects the limiting behaviour of nanodomain formation.

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