Mechanical properties of the ferroelectric metal-free perovskite [MDABCO](NH4)I3 | Zendy

Michael G. Ehrenreich | Zendy; Zhixin Zeng | Zendy; Stefan Bürger | Zendy; Mark R. Warren | Zendy; Michael W. Gaultois | Zendy; JinChong Tan | Zendy; Gregor Kieslich | Zendy

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Mechanical properties of the ferroelectric metal-free perovskite [MDABCO](NH₄)I₃

Author(s) -

Michael G. Ehrenreich,

Zhixin Zeng,

Stefan Bürger,

Mark R. Warren,

Michael W. Gaultois,

JinChong Tan,

Gregor Kieslich

Publication year - 2019

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/c9cc00580c

Subject(s) - ferroelectricity , perovskite (structure) , materials science , metal , crystallography , inorganic chemistry , chemistry , metallurgy , optoelectronics , dielectric

The metal-free hybrid organic-inorganic perovskite [MDABCO](NH 4 )I 3 (with MDABCO = N-methyl-1,4-diazabicyclo[2.2.2]octane) was recently discovered to exhibit an excellent ferroelectric performance, challenging established ceramic ferroelectrics. We here probe the mechanical properties of [MDABCO](NH 4 )I 3 by combining high pressure single crystal X-ray diffraction and nanoindentation, underlining the exceptional role and opportunities that come with the use of sustainable, metal-free perovskite ferroelectrics.

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