Rational design of one-dimensional hybrid organic-inorganic perovskites with room-temperature ferroelectricity and strong piezoelectricity

Daibei Yang, Lingheng Luo, Yi Gao, Shuang Chen, Xiao C Zeng

Research output: Contribution to journalArticle

Abstract

Rational design of ferroelectric/piezoelectric materials is still a big challenge due to our incomplete understanding of the underlying phase-transition mechanisms. Herein, by using first-principles calculations, three prototypes of one-dimensional (1D) hybrid organic-inorganic perovskites (HOIPs) as benchmarks are investigated, from which an approach to measure their ferroelectricity/piezoelectric-related key parameters is developed. Specifically, the ferroelectric transition temperature can be assessed by the computed energies and polarizations, and the piezoelectricity can be evaluated by the change of lattice parameters β during the phase transition. Based on this computational approach, we have examined a series of organic cations to design new 1D HOIPs via conscious chemical modification. Among them, seven potential candidates with excellent ferroelectricity or piezoelectricity are identified, especially for two of them, trimethyl(2,2,2-trifluoroethyl)ammonium trichloromanganese(ii) (TMTFE-MnCl3) and diethylmethyl(2-fluoroethyl)ammonium trichloromanganese(ii) (DEMFE-MnCl3). We predict that the TMTFE-MnCl3 and DEMFE-MnCl3 crystals outperform all previously reported 1D ferroelectric HOIPs in terms of high spontaneous polarization, high phase transition temperature, and strong piezoelectricity. The newly proposed design strategy for 1D HOIPs with room-temperature ferroelectricity or strong piezoelectricity can be validated for broader applications if both outstanding ferroelectric/piezoelectric perovskites can be synthesized and confirmed in the laboratory.

Original languageEnglish (US)
Pages (from-to)1463-1473
Number of pages11
JournalMaterials Horizons
Volume6
Issue number7
DOIs
StatePublished - Aug 1 2019

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Ferroelectricity
Piezoelectricity
Ferroelectric materials
Phase transitions
Ammonium Compounds
Superconducting transition temperature
Polarization
Temperature
Piezoelectric materials
Chemical modification
Lattice constants
Cations
Positive ions
Crystals

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Process Chemistry and Technology
  • Electrical and Electronic Engineering

Cite this

Rational design of one-dimensional hybrid organic-inorganic perovskites with room-temperature ferroelectricity and strong piezoelectricity. / Yang, Daibei; Luo, Lingheng; Gao, Yi; Chen, Shuang; Zeng, Xiao C.

In: Materials Horizons, Vol. 6, No. 7, 01.08.2019, p. 1463-1473.

Research output: Contribution to journalArticle

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