Temperature activated chiral induced spin selectivity

Author:

Fransson J.1ORCID

Affiliation:

1. Department of Physics and Astronomy, Uppsala University , P.O. Box 516, 75120 Uppsala, Sweden

Abstract

Recent experiments performed on chiral molecules, comprising transition metal or rare earth elements, indicate temperature reinforced chiral induced spin selectivity. In these compounds, spin selectivity is suppressed in the low temperature regime but grows by one to several orders of magnitude as the temperature is increased to room temperature. By relating temperature to nuclear motion, it is proposed that nuclear displacements acting on the local spin moments, through indirect exchange interactions, generate an anisotropic magnetic environment that is enhanced with temperature. The induced local anisotropy field serves as the origin of a strongly increased spin selectivity at elevated temperature.

Funder

Vetenskapsrådet

Olle Engkvists Stiftelse

Publisher

AIP Publishing

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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