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Spin Filtering Along Chiral Polymers.

Suryakant Mishra1, Amit Kumar Mondal1, Eilam Z B Smolinsky1

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Summary
This summary is machine-generated.

Chiral polymers show significant spin polarization and magnetoresistance effects. These phenomena depend on the polymer

Keywords:
chiralityelectron transportmaterials chemistrypolymersself-assembly

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Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Polymer Chemistry

Background:

  • Chiral polymers offer unique electronic properties.
  • Spin-dependent transport is crucial for spintronics.

Purpose of the Study:

  • Investigate spin-dependent conduction and polarization in chiral polymers.
  • Analyze the influence of polymer secondary structure on spin effects.

Main Methods:

  • Fabrication of chiral polymers as self-assembled monolayers.
  • Measurement of spin polarization and magnetoresistance along the polymer backbone.

Main Results:

  • Observed large spin polarization and magnetoresistance effects.
  • Demonstrated clear dependence of these effects on polymer secondary structure.
  • Found spin polarization results from backscattering probabilities without spin flipping.

Conclusions:

  • Chiral polymers exhibit significant spin-dependent transport properties.
  • Secondary structure critically modulates spin polarization and magnetoresistance.
  • The observed effects are attributed to spin-dependent backscattering.