journal article·2026-04

Record‐Low Compressibility in [N(C 2 H 5 ) 3 CH 3 ]FeCl 4 Expands Phase Engineering Horizons in Hybrid Molecular Ferroelectrics (Small 23/2026)

Takeshi Nakagawa, Kejun Bu, Yang Ding, Anna Moliterni, Cinzia Giannini, Jasminka Popović, Tianyao Pei, Yonggang Wang, Hirofumi Ishii, Anna Z. Szeremeta, Marian Paluch, Martina Vrankić

Small· Volume 22· Issue 23
Publisher page

Abstract

Hybrid Molecular Ferroelectrics High-pressure studies show that the lead-free hybrid organic-inorganic ferroelectric [N(C2H5)3CH3]FeCl4 exhibits the lowest compressibility of any molecular ferroelectric known to date. In situ diamond anvil cell experiments demonstrate how halide selection influences the inorganic sublattice, which determines compressibility. These results advance green chemistry by offering sustainable alternatives to conventional inorganic ferroelectrics. More in the Research Article (e14648), Martina Vrankić and co-workers.
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Research context

OpenAlex topics: Perovskite Materials and Applications · Advanced Sensor and Energy Harvesting Materials · Organic and Molecular Conductors Research

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Affiliations

Center for High‐Pressure Science and Technology Advanced Research Beijing P. R. China

Institute of Crystallography (IC)‐CNR Bari Italy

Division of Materials Physics Ruđer Bošković Institute Zagreb Croatia

National Synchrotron Radiation Research Center Hsinchu Taiwan

August Chełkowski Institute of Physics University of Silesia in Katowice Chorzów Poland

References

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