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Mechanical properties of the ferroelectric metal-free perovskite [MDABCO](NH 4 )I 3

DOI: 10.1039/C9CC00580C DOI Help

Authors: Michael G. Ehrenreich (Technical University of Munich) , Zhixin Zeng (University of Oxford) , Stefan Burger (Technical University of Munich) , Mark R. Warren (Diamond Light Source) , Michael W. Gaultois (Leverhulme Research Centre of Functional Materials Design, University of Liverpool) , Jin-chong Tan (University of Oxford) , Gregor Kieslich (University of Cambridge)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemical Communications , VOL 2

State: Published (Approved)
Published: March 2019
Diamond Proposal Number(s): 19080

Abstract: The metal-free hybrid organic–inorganic perovskite [MDABCO](NH4)I3 (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](NH4)I3 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.

Subject Areas: Materials, Chemistry


Instruments: I19-Small Molecule Single Crystal Diffraction