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Chiral Induced Spin Selectivity.

Brian P Bloom1, Yossi Paltiel2, Ron Naaman3

  • 1Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States.

Chemical Reviews
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Summary
This summary is machine-generated.

Chiral induced spin selectivity (CISS) enables chiral materials to filter electron spins. Recent findings show CISS can occur without net charge flow, impacting physics, chemistry, and biology.

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Area of Science:

  • Condensed matter physics
  • Materials science
  • Physical chemistry

Background:

  • The chiral induced spin selectivity (CISS) effect, discovered in 1999, describes how chiral materials act as spin filters.
  • Recent research reveals spin polarization can arise from displacement currents in chiral molecules, even without net charge flow.

Purpose of the Study:

  • To review the experimental and theoretical advancements in understanding the CISS effect.
  • To explore the connection between chiral symmetry and electron spin.
  • To discuss the implications and future outlook of CISS phenomena.

Main Methods:

  • Review of experimental measurement techniques for CISS.
  • Comprehensive overview of materials exhibiting CISS.
  • Analysis of structure-property relationships and theoretical models.

Main Results:

  • Chiral materials inherently possess spin filtering capabilities.
  • Spin polarization can be induced by chiral molecular displacement currents.
  • CISS establishes a link between molecular chirality and electron spin.

Conclusions:

  • The CISS effect has broad implications across physics, chemistry, and biology.
  • Understanding CISS is crucial for developing new technologies and addressing fundamental questions like the origin of homochirality in life.
  • The field of CISS is rapidly evolving with significant future potential.