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When an electron passes through a chiral molecule there is a high probability for a correlation between the momentum and spin of the charge, thus leading to spin polarized current. This phenomenon is known as the chiral induced spin…

Mesoscale and Nanoscale Physics · Physics 2021-03-09 Idan Meirzada , Nir Sukenik , Galya Haim , Shira Yochelis , Yossi Paltiel , Nir Bar-Gill

Chiral phonons are desirable for applications in spintronics but their generation and control remains a challenge.Here we demonstrate the emergence of truly chiral phonons from selective magnon-phonon coupling in inversion-symmetric…

Chirality-induced spin selectivity (CISS) describes how chiral molecules and materials generate spin polarization even at thermal equilibrium. This observation has challenged established principles of microscopic reversibility and Onsager…

Strongly Correlated Electrons · Physics 2025-10-29 Pius M. Theiler , Matthew C. Beard

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

Nonlocal spin polarization phenomena are thoroughly investigated in the devices made of chiral metallic single crystals of CrNb$_3$S$_6$ and NbSi$_2$ as well as of polycrystalline NbSi$_2$. We demonstrate that simultaneous injection of…

Materials Science · Physics 2023-08-09 Hiroaki Shishido , Yuta Hosaka , Kenta Monden , Akito Inui , Taisei Sayo , Yusuke Kousaka , Yoshihiko Togawa

Efficient injection of spin-polarized electrons into the conduction band of silicon is limited by the formation of a silicide at the ferromagnetic metal (FM)/silicon interface. In the present work, this "magnetically-dead" silicide (where…

Materials Science · Physics 2009-11-13 Biqin Huang , Lai Zhao , Douwe J. Monsma , Ian Appelbaum

We report on spin transport along double-helical molecular systems by considering various contact configurations and asymmetries between the two helical strands in the regime of completely coherent charge transport. Our results reveal that…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Ai-Min Guo , E. Díaz , C. Gaul , R. Gutierrez , F. Domínguez-Adame , G. Cuniberti , Qing-feng Sun

We theoretically explore the generation of spin current driven by a temperature gradient in a junction between a chiral insulator and a normal metal. Based on the gyromagnetic response induced by microscopic acoustic-phonon-mediated lattice…

Mesoscale and Nanoscale Physics · Physics 2025-08-20 Naoki Nishimura , Takumi Funato , Mamoru Matsuo , Takeo Kato

In this paper, current-induced spin polarization for two-dimensional electron gas with a general spin-orbit interaction is investigated. For isotropic energy spectrum, the in-plane current-induced spin polarization is found to be dependent…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 C. M. Wang , H. T. Cui , Q. Lin

The interaction between a particle's spin and momentum -- known as spin-orbit (SO) coupling -- is the cornerstone of modern spintronics. In Bose-Einsten condensates of ultracold atoms, SO coupling can be implemented and precisely controlled…

Mesoscale and Nanoscale Physics · Physics 2026-03-17 Valeria A. Maslova , Nina S. Voronova

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…

Vertical-Cavity Surface-Emitting Lasers (VCSELs) combine compact geometry, low threshold current, and ease of integration, making them central to modern photonic systems. However, their polarization behavior remains a critical factor…

We show that the chiral modes in circular graphene $pn$ junctions provide an advantage for spin manipulation via spin-orbit coupling compared to semiconductor platforms. We derive the effective Hamiltonian for the spin dynamics of the…

Mesoscale and Nanoscale Physics · Physics 2023-09-28 Dario Bercioux , Diego Frustaglia , Alessandro De Martino

We study theoretically spin relaxation during phonon-assisted tunneling of a single electron in self-assembled InAs/GaAs quantum-dot molecules formed by vertically stacked dots. We find that the spin-flip tunneling rate may be as high as 1%…

Mesoscale and Nanoscale Physics · Physics 2021-06-23 Michał Gawełczyk , Krzysztof Gawarecki

Current-voltage characteristics of a spintromechanical device, in which spin-polarized electrons tunnel between magnetic leads with anti-parallel magnetization through a single level movable quantum dot, are calculated. New exchange- and…

Mesoscale and Nanoscale Physics · Physics 2020-05-20 Olya A. Ilinskaya , Danko Radic , Hee Chul Park , Ilya V. Krive , Robert I. Shekhter , Mats Jonson

Spin polarized transport through a quantum dot coupled to ferromagnetic electrodes with noncollinear magnetizations is discussed in terms of nonequilibrium Green functions formalism in the finite-U slave boson mean field approximation. The…

Mesoscale and Nanoscale Physics · Physics 2021-12-10 D. Krychowski , S. Lipiński

Electron charge transport through a quantum point contact (QPC) driven by an asymmetric spin bias is studied. A large charge current is induced when the transmission coefficient of the QPC jumps from one integer plateau to the next.…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Yanxia Xing , Qing-feng Sun , Jian Wang

We consider theoretically transport in a spinfull one-channel interacting quantum wire placed in an external magnetic field. For the case of two point-like impurities embedded in the wire, under a small voltage bias the spin-polarized…

Strongly Correlated Electrons · Physics 2010-02-17 Zoran Ristivojevic , George I. Japaridze , Thomas Nattermann

Chirality-induced spin selectivity (CISS) is an effect that has recently attracted a great deal of attention in chiral chemistry and that remains to be understood. In the CISS effect, electrons passing through chiral molecules acquire a…

We report first principles analysis of electron-phonon coupling in molecular devices under external bias voltage and during current flow. Our theory and computational framework are based carrying out density functional theory within the…

Materials Science · Physics 2009-11-11 N. Sergueev , D. Roubtsov , Hong Guo