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We theoretically analyze spin filtering in two-terminal systems, induced by the spin-orbit interaction (SOI), as a possible origin of the ``chirality-induced spin selectivity'' (CISS) effect observed experimentally in chiral molecules, such…

介观与纳米尺度物理 · 物理学 2022-12-26 Yasuhiro Utsumi , Takemitsu Kato , Ora Entin-Wohlman , Amnon Aharony

The observation of chiral-induced spin selectivity (CISS) in biological molecules still awaits a full theoretical explanation. In a recent Rapid Communication, Varela et al. [Phys. Rev. B 101, 241410(R) (2020)] presented a model for…

介观与纳米尺度物理 · 物理学 2021-02-24 Ora Entin-Wohlman , Amnon Aharony , Yasuhiro Utsumi

In connection to the chiral-induced spin-selectivity (CISS) effect, we theoretically analyze the electronic and spin states of edges of a finite $p$-orbital helical atomic chain with the intra-atomic spin-orbit interaction (SOI). This model…

介观与纳米尺度物理 · 物理学 2023-12-25 Takemitsu Kato , Yasuhiro Utsumi , Ora Entin-Wohlman , Amnon Aharony

Recent experiments have demonstrated the efficacy of chiral helically shaped molecules in polarizing the scattered electron spin, an effect termed as chiral-induced spin selectivity (CISS). Here we solve a simple tight-binding model for…

介观与纳米尺度物理 · 物理学 2016-02-03 Shlomi Matityahu , Yasuhiro Utsumi , Amnon Aharony , Ora Entin-Wohlman , Carlos A. Balseiro

Chiral-induced spin selectivity (CISS) is a phenomenon in which electron spins are polarized as they are transported through chiral molecules, and the spin polarization depends on the handedness of the chiral molecule. In this study, we…

介观与纳米尺度物理 · 物理学 2023-02-09 Nguyen Thanh Phuc

Chirality-induced spin selectivity (CISS) refers to the fact that electrons get spin polarized after passing through organic chiral molecules in a nanoscale device. In CISS, chiral molecules are commonly believed to be a spin filter through…

介观与纳米尺度物理 · 物理学 2022-12-06 Yotam Wolf , Yizhou Liu , Jiewen Xiao , Noejung Park , Binghai Yan

Chirality-induced spin selectivity (CISS) refers to an ability to induce a spin polarization of an electron transmitted through chiral materials. An important experimental observation is that incredibly large spin polarization is realized…

材料科学 · 物理学 2022-05-13 Akihito Kato , Hiroshi M. Yamamoto , Jun-ichiro Kishine

Since the chiral-induced spin selectivity (CISS) was first observed experimentally, its microscopic mechanism has been continuously explored by the scientific community. Among these investigations, the non-equilibrium effects and the…

介观与纳米尺度物理 · 物理学 2023-09-12 Song Chen , Hua-Hua Fu

The chirality-induced spin selectivity (CISS), demonstrated in diverse chiral molecules by numerous experimental and theoretical groups, has been attracting extensive and ongoing interest in recent years. As the secondary structure of DNA,…

介观与纳米尺度物理 · 物理学 2020-11-11 Pei-Jia Hu , Si-Xian Wang , Xiao-Hui Gao , Yan-Yang Zhang , Tie-Feng Fang , Ai-Min Guo , Qing-Feng Sun

Spin-orbit coupling gives rise to a range of spin-charge interconversion phenomena in non-magnetic systems where certain spatial symmetries are reduced or absent. Chirality-induced spin selectivity (CISS), a term that generically refers to…

介观与纳米尺度物理 · 物理学 2023-04-25 W. Dednam , M. A. García-Blázquez , Linda A. Zotti , E. B. Lombardi , C. Sabater , S. Pakdel , J. J. Palacios

We show that a spinor traveling along a one-dimensional helical path develops a spin-orbit coupling as a result of the curvature of the path. We estimate the magnitude of the associated spin polarization and obtain values typical of many…

介观与纳米尺度物理 · 物理学 2025-09-29 Massimiliano Di Ventra , Rafael Gutierrez , Gianaurelio Cuniberti

The Chirality-Induced Spin Selectivity (CISS) effect describes the ability of chiral molecules and crystals to transmit spin-polarized currents, a phenomenon first identified in 1999. Although this effect holds great promise for a broad…

介观与纳米尺度物理 · 物理学 2025-01-08 Sushant Kumar Behera , Ruggero Sala , Abhirup Roy Karmakar , Matteo Moioli , Rocco Martinazzo , Matteo Cococcioni

The helical distribution of the electronic density in chiral molecules, such as DNA and bacteriorhodopsin, has been suggested to induce a spin-orbit coupling interaction that may lead to the so-called chirality-induced spin selectivity…

介观与纳米尺度物理 · 物理学 2020-01-01 Miguel A. Sierra , David Sanchez , Rafael Gutierrez , Gianaurelio Cuniberti , Francisco Dominguez-Adame , Elena Diaz

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…

化学物理 · 物理学 2025-09-05 Tian-Yi Zhang , Yue Mao , Ai-Min Guo , Qing-Feng Sun

Chiral induced spin selectivity (CISS) describes efficient spin filtering by chiral molecules. This phenomenon has led to nanoscale manipulation of quantum spins with promising applications to spintronics and quantum computing, since its…

量子物理 · 物理学 2021-01-01 Xiaopeng Li , Jue Nan , Xiangcheng Pan

Chiral molecules are known to preferentially select electrons with a particular spin state, an effect termed chirality-induced spin selectivity (CISS). In this work, the transient CISS dynamics in a chiral molecule are investigated through…

介观与纳米尺度物理 · 物理学 2025-11-03 Riley Stuermer , Collin VanEssen , Jacob Byers , Keith Ferrer , Prasad Gudem , Diego Kienle , Jonas Fransson , Mani Vaidyanathan

Chiral molecular junctions offer a promising platform for realizing chiral-induced spin selectivity (CISS), where spin filtering occurs without external magnetic fields. Here, we investigate spin transport in such junctions by combining…

介观与纳米尺度物理 · 物理学 2025-09-19 Yu Wang , Ruihao Bi , Wei Liu , Jiayue Han , Wenjie Dou

Chiral-Induced Spin Selectivity (CISS) describes the emergence of spin-polarized electron transport in chiral systems without magnetic fields, a remarkable effect in light-element materials with weak intrinsic spin-orbit coupling (SOC).…

Spin selective transport is usually associated with spin-orbit interactions. However, these interactions are invariant under time-reversal symmetry, and the Onsager relations and Bardarson's theorem imply that such interactions cannot yield…

介观与纳米尺度物理 · 物理学 2025-04-07 Amnon Aharony , Ora Entin-Wohlman

Here we review a universal model for chirally induced spin-selectivity (CISS) as a standalone effect occurring in chiral molecules. We tie together the results of forward scattering in the gas phase to the results for photoelectrons in…

介观与纳米尺度物理 · 物理学 2024-06-24 Miguel Mena , Solmar Varela , Bertrand Berche , Ernesto Medina
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