Proceedings of MATSUS Spring 2024 Conference (MATSUS24)
DOI: https://doi.org/10.29363/nanoge.matsus.2024.421
Publication date: 18th December 2023
Can we generate and transfer chirality?
Chirality is an important structural property: right-handed and left-handed chiral materials have identical chemical composition and connectivity, but they are related by mirror transformation, forming a couple of enantiomers.
Chiral materials show unique features: the intrinsic non-centrosymmetry leads to optical rotation, circular dichroism (CD), second-harmonic generation (SHG), piezoelectricity, pyroelectricity, ferroelectricity, and topological quantum properties.
In this talk, I will discuss the intriguing interplay between chirality and physical properties in innovative materials, ranging from twisted bilayers (non-magnetic as well magnetic) to chiral hybrid organic-inorganic perovskites.
About Figure 1: Generation of chirality by twisting in bilayer graphene and corresponding spin-
texture switching.
References:
[ 1 ] K. Yananose, G. Cantele, P. Lucignano, S.-W. Cheong, J. Yu, and A. Stroppa, Phys. Rev. B. 104
(2021) 075407.
[ 2 ] K. Yananose, P. G. Radaelli, M. Cuoco, J. Yu, and A. Stroppa, Phys. Rev. B. 106 (2022) 184408.
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