Dynamical theory of chiral-induced spin selectivity in electron donor-chiral molecule-acceptor systems

Abstract

The chiral-induced spin selectivity (CISS) effect, a phenomenon where the chirality of molecules imparts significant spin selectivity to electron transfer processes, has garnered increasing interest among the chemistry, biology, and physics communities. Although this effect was discovered more than a decade ago, the dynamical process of how electron spin polarization is caused by chiral molecules is still unclear. Here, we propose a dynamical theory of electron transfer in donor-chiral molecule bridge-acceptor systems without electrodes or substrates based on the Lindblad-type master equation. We demonstrate that the molecular spin-orbit coupling generates unequal spin velocities and achieves steady spin polarization with the help of dephasing. Our work elucidates the dynamical process of CISS and may promote the applications of chiral-based spintronic devices.

arXiv comment12 pages, 11 figures

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Cited by in corpus (8)

• Dynamical simulation of chiral induced spin-polarization and magnetization
• Mind the Gap: From Resolving Theoretical Foundations of Chiral(ity)-Induced Spin Selectivity to Pioneering Implementations in Quantum Sensing
• Spin-to-charge conversion modulated by chiral molecules
• Anomalous Magnetoresistance beyond the Jullière Model for Spin Selectivity in Chiral Molecules
• Spinterface-like mechanism of the chirality-induced spin selectivity in donor chiral-bridge acceptor complexes
• First-Principles Analysis of Chirality-Induced Spin Selectivity at Molecule-Metal Interfaces in Photoemission
• Engineering chiral-induced spin selectivity in an artificial topological quantum well
• Unconventional Spin Valve Based on Normal Metal/Chiral Molecule/Altermagnet Junctions