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Measuring the spin-polarization power of a single Chiral molecule

Research output: Contribution to journalJournal articlepeer-review

  • Albert Aragonès
  • Ernesto Medina
  • Miriam Ferrer Huerta
  • Nuria Gimeno
  • Meritxell Teixidó
  • Julio L. Palma
  • Nongjian Tao
  • Jesus M. Ugalde
  • Ernest Giralt
  • Ismael Díez-Pérez
  • Vladimiro Mujica
Article number1602519
<mark>Journal publication date</mark>11/01/2017
Issue number2
Number of pages6
Publication StatusPublished
Early online date18/10/16
<mark>Original language</mark>English


The electronic spin filtering capability of a single chiral helical peptide is measured. A ferromagnetic electrode source is employed to inject spin-polarized electrons in an asymmetric single-molecule junction bridging an α-helical peptide sequence of known chirality. The conductance comparison between both isomers allows the direct determination of the polarization power of an individual chiral molecule.