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Central to spintronics is the interconversion between electronic charge and spin currents, and this can arise from the chirality-induced spin selectivity (CISS) effect. CISS is often studied as magnetoresistance (MR) in two-terminal (2T)…

Mesoscale and Nanoscale Physics · Physics 2020-08-21 Xu Yang , Caspar H. van der Wal , Bart J. van Wees

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…

We investigate spin-polarized electron tunnelling through ensembles of nanometer scale Al grains embedded between two Co-reservoirs at 4.2K, and observe tunnelling-magnetoresistance (TMR) and effects from spin-precession in the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 L. Y. Zhang , C. Y. Wang , Y. G. Wei , X. Y. Liu , D. Davidovic

The spin-dependent electron transmission through a helical membrane with account of linear spin-orbit interaction has been investigated by numerically solving the Schr\"odinger equation in cylindrical coordinates . It is shown that the spin…

Mesoscale and Nanoscale Physics · Physics 2017-03-07 Guo-Hua Liang , Yong-Long Wang , Hua Jiang , Meng-Yun Lai , Hong-Shi Zong

Many textbook physical effects in crystals are enabled by some specific symmetries. In contrast to such "apparent effects", "hidden effect X" refers to the general condition where the nominal global system symmetry would disallow the effect…

Materials Science · Physics 2022-11-21 Lin-Ding Yuan , Xiuwen Zhang , Carlos Mera , Alex Zunger

The origin and function of chirality in DNA, proteins, and other building blocks of life represent a central question in biology. Observations of spin polarization and magnetization associated with electron transport through chiral…

For static crystals it is well known that electronic states are doubly degenerate in their spin degree of freedom in the presence of time reversal and inversion symmetries. This degeneracy can only be lifted by either (i) breaking time…

Materials Science · Physics 2017-11-20 Bartomeu Monserrat , David Vanderbilt

The notion of chiral-induced spin selectivity (CISS) has attracted intensive research interest recently. However, the practical applications of the CISS effects face challenges due to relatively low spin polarization. In this Letter, we…

Mesoscale and Nanoscale Physics · Physics 2024-02-05 Wei Liu , Jingqi Chen , Wenjie Dou

ESR-STM is an emerging technique which is capable of detecting the precession of a single spin. We discuss the mechanism of ESR-STM based on a direct exchange coupling between the tunneling electrons and the local precessing spin S. We…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 A. V. Balatsky , Yishay Manassen , Ran Salem

Chiral materials exhibit a spin filtering effect, so-called chirality-induced spin selectivity (CISS). A recent observation of spin accumulation at the ends of a chiral-structured superconductor has opened up a new pathway for studying the…

Superconductivity · Physics 2025-03-12 Keito Hara , Youichi Yanase

A quantum theory of the spin-dependent scattering of semiconductor electrons by a Schottky barrier at an interface with a ferromagnet is presented. The reflection of unpolarized non-equilibrium carriers produces spontaneous…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 J. P. McGuire , C. Ciuti , L. J. Sham

Magnetism-driven nonrelativistic spin splitting (NRSS) provides a pathway toward efficient, spin-orbit-free spintronics. In centrosymmetric two-dimensional antiferromagnets, spin-polarized transport is symmetry-forbidden due to the combined…

Materials Science · Physics 2026-02-24 Shantanu Pathak , Saswata Bhattacharya

We study an extended central spin model with an isotropic nearest-neighbour spin-exchange interaction among the bath spins. The system is controllable by external magnetic fields applied on the central spin and the bath, respectively. We…

Strongly Correlated Electrons · Physics 2020-07-08 Pengcheng Lu , Hai-Long Shi , Like Cao , Xiao-Hui Wang , Tao Yang , Junpeng Cao , Wen-Li Yang

Strong interest has arisen recently on low-dimensional systems with strong spin-orbit interaction due to their peculiar properties of interest for some spintronic applications. Here, the time evolution of the electron spin polarization of a…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. Grimaldi

The chirality-induced spin selectivity (CISS) effect has garnered significant interest in the field of molecular spintronics due to its potential for creating spin-polarized electrons without the need for a magnet. Recent studies devoted to…

Inversion symmetry is a key symmetry in unconventional superconductors and even its local breaking can have profound implications. For inversion-symmetric systems, there is a competition on a microscopic level between the spin-orbit…

Superconductivity · Physics 2021-08-11 Anastasiia Skurativska , Manfred Sigrist , Mark H. Fischer

Interacting one-dimensional conductors with Rashba spin-orbit coupling are shown to exhibit a spin-selective Peierls-type transition into a mixed spin-charge-density-wave state. The transition leads to a gap for one-half of the conducting…

Mesoscale and Nanoscale Physics · Physics 2010-08-03 Bernd Braunecker , George I. Japaridze , Jelena Klinovaja , Daniel Loss

In this paper we outline a physically motivated framework for describing spin-selective recombination processes in chiral systems, from which we derive spin-selective reaction operators for recombination reactions of donor-bridge-acceptor…

Chemical Physics · Physics 2023-03-09 Thomas P. Fay , David T. Limmer

The injection, propagation and detection of spin currents are essential physical processes in spintronics. So far, the separation of charge and spin currents was facilitated by the electrical spin injection from a ferromagnet (FM) or the…

We compare and contrast magneto-transport oscillations in the fully quantum (single-electron coherent) and classical limits for a simple but illustrative model. In particular, we study the induced magnetization and spin current in a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Martin Y. Veillette , Cristina Bena , Leon Balents