Chiral multiferroicity in two-dimensional hybrid organic-inorganic perovskites.

ABSTRACT: Chiral multiferroics offer remarkable capabilities for controlling quantum devices at multiple levels. However, these materials are rare due to the competing requirements of long-range orders and strict symmetry constraints. In this study, we present experimental evidence that the coexistence of ferroelectric, magnetic orders, and crystallographic chirality is achievable in hybrid organic-inorganic perovskites [(R/S)-β-methylphenethylamine]₂CuCl₄. By employing Landau symmetry mode analysis, we investigate the interplay between chirality and ferroic orders and propose a novel mechanism for chirality transfer in hybrid systems. This mechanism involves the coupling of non-chiral distortions, characterized by defining a pseudo-scalar quantity, ξ=p⋅r ( p represents the fer

SUBMITTER: Zheng H 

PROVIDER: S-EPMC11220029 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature