Compositional nanodomain formation in hybrid formate perovskites

We report the synthesis and structural characterisation of three mixed-metal formate perovskite families [C(NH ) ]Cu M (HCOO) (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...

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Published inChemical communications (Cambridge, England) Vol. 53; no. 81; pp. 11233 - 11236
Main Authors Donlan, Edwina A, Boström, Hanna L B, Geddes, Harry S, Reynolds, Emily M, Goodwin, Andrew L
Format Journal Article
LanguageEnglish
Published England 18.10.2017
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Summary:We report the synthesis and structural characterisation of three mixed-metal formate perovskite families [C(NH ) ]Cu M (HCOO) (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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ISSN:1359-7345
1364-548X
DOI:10.1039/c7cc06928f