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Related papers: Unusual Spin Polarization in the Chirality Induced…

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Spin filtering is an essential operation in spintronics that allows creation and detection of spin polarized carriers. Transition metal ferromagnets are used as spin filters in most cases, though their spin filtering efficiency is only…

Mesoscale and Nanoscale Physics · Physics 2017-10-27 K. M. Alam , Sandipan Pramanik

We study the non-equilibrium dynamics of electron transmission from a straight waveguide to a helix with spin-orbit coupling. Transmission is found to be spin-selective and can lead to large spin polarizations of the itinerant electrons.…

Mesoscale and Nanoscale Physics · Physics 2022-02-21 Clemens Vittmann , R. Kevin Kessing , James Lim , Susana F. Huelga , Martin B. Plenio

The spinterface mechanism was suggested as a possible origin for the chirality induced spin-selectivity (CISS) effect, and was used to explain and reproduce, with remarkable accuracy, experimental data from transport experiments showing the…

Mesoscale and Nanoscale Physics · Physics 2024-10-25 Oliver L. A. Monti , Yonatan Dubi

Spin polarization in chiral molecules is a magnetic molecular response associated with electron transport and enantioselective bond polarization that occurs even in the absence of an external magnetic field. An unexpected finding by Santos…

The theoretical explanation for the chiral-induced spin selectivity effect, in which electrons' passage through a chiral system depends on their spin and the handedness of the system, remains vague. Although most experimental work was…

Mesoscale and Nanoscale Physics · Physics 2022-03-01 Tapan Kumar Das , Francesco Tassinari , Ron Naaman , Jonas Fransson

Current-induced spin polarization (CISP) is rederived in ballistic spin-orbit-coupled electron systems, based on equilibrium statistical mechanics. A simple and useful picture is correspondingly proposed to help understand the CISP and…

Mesoscale and Nanoscale Physics · Physics 2008-10-24 Ming-Hao Liu , Son-Hsien Chen , Ching-Ray Chang

The generation, manipulation and detection of spin-polarized electrons in nanostructures define the main challenges of spin-based electronics[1]. Amongst the different approaches for spin generation and manipulation, spin-orbit coupling,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Sergio O. Valenzuela , M. Tinkham

Whether chirality-induced spin selectivity (CISS) reflects coherent SU(2) spin rotation or incoherent spin-dependent filtering is a central unresolved question in molecular spintronics, with implications ranging from asymmetric chemistry to…

Mesoscale and Nanoscale Physics · Physics 2026-05-08 Vishvendra S. Poonia

The functionality of many biological systems depends on reliable electron transfer with minimal heating. Unlike man-made electric circuits, nature realizes electron transport via insulating chiral molecules. Here we include spin into the…

Mesoscale and Nanoscale Physics · Physics 2016-01-18 Karen Michaeli , Ron Naaman

The spin-dependent propagation of electrons in helical nanowires is investigated. We show that the interplay of spin angular momentum and nanowire chirality, under spin-orbit interaction, lifts the symmetry between left and right…

Materials Science · Physics 2021-10-28 Diego A. Hoff , Luis G. C. Rego

Chiral and axial materials offer platforms for intriguing phenomena, such as cross-correlated responses and chirality-induced spin selectivity. However, quantifying the properties of such materials has generally been considered challenging.…

Materials Science · Physics 2025-10-07 Tatsuya Miki , Hiroaki Ikeda , Michi-To Suzuki , Shintaro Hoshino

Efficient generation of spin polarization is the central focus of spintronics. In magnetic materials, spin currents can arise from heat currents by the conventional spin Seebeck effect. Recently, chiral phonons with definite handedness and…

Mesoscale and Nanoscale Physics · Physics 2022-03-22 Xiao Li , Jinxin Zhong , Jinluo Cheng , Hao Chen , Lifa Zhang , Jun Zhou

Radical pairs in the flavoprotein cryptochrome are central to various magnetically sensitive biological processes, including the proposed mechanism of avian magnetoreception. Cryptochrome's molecular chirality has been hypothesized to…

Quantum Physics · Physics 2025-05-06 Luke D. Smith , Sukesh Tallapudi , Matt C. J. Denton , Daniel R. Kattnig

The combination of semiconducting properties and synthetically tunable chirality in chiral metal halide semiconductors (CMHS) offer a compelling platform for room temperature control over electronic spin properties, leveraging effects such…

The chiral induced spin selectivity effect is an excited states phenomenon, which can be probed using photo-spectroscopy as well as transport measurements. On the one hand such measurements represent averaged quantities, on the other hand…

Mesoscale and Nanoscale Physics · Physics 2023-01-03 J. Fransson

Photoexcitable donor-bridge-acceptor (D-B-A) molecules that support intramolecular charge transfer are ideal platforms to probe the influence of chiral-induced spin selectivity (CISS) in electron transfer and resulting radical pairs. In…

Quantum Physics · Physics 2023-04-27 Laura A. Völker , Konstantin Herb , Erika Janitz , Christian L. Degen , John M. Abendroth

Chiral molecular structures enable time-odd pseudotensor that controls correlations between photoelectron spin and molecular orientation in photoionization (arXiv:2505.22433). We show that chiral structures also support time-even…

We study spin polarization induced by locally injected electric currents in a metal whose spin--orbit coupling reflects its structural chirality. We reveal both spin polarization in the bulk in the linear response and antiparallel spin…

The origin of bio-homochirality is a subject of much debate. The emergence of chirality and life on earth is a break of symmetry to be compared with the breaks of symmetry in the evolution of the universe. Based on a perspective of…

Chemical Physics · Physics 2022-05-24 Wei Wang

Carbon nanotubes (CNTs) are promising materials exhibiting exceptional strength, electrical conductivity, and thermal properties, making them promising for various technologies. Besides achiral configurations with a zigzag or armchair edge,…

Mesoscale and Nanoscale Physics · Physics 2025-10-09 Börge Göbel , Ingrid Mertig , Samir Lounis
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