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Proceedings Paper

Molecular magneto-optics
Author(s): Palash Gangopadhyay; Guy Koeckelberghs; André Persoons
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Paper Abstract

We report on recent studies of magneto-optic properties and Faraday rotation of polythiophenes and macrocycles of 3- alkylthiophenes. The hypothesis of the existence of persistent currents, analogous to the persistent currents in mesoscopic metal structures, is forwarded as a relevant mechanism basic to the large Faraday rotation in conjugated polymers as well as for the ferromagnetic transition in these polymers at cryogenic temperatures. Macrocycles of alkylthiophenes are presented and discussed as fundamental structures to investigate persistent currents in nanoscopic organic materials.

Paper Details

Date Published: 28 October 2014
PDF: 10 pages
Proc. SPIE 9181, Light Manipulating Organic Materials and Devices, 91810L (28 October 2014); doi: 10.1117/12.2061841
Show Author Affiliations
Palash Gangopadhyay, College of Optical Sciences, The Univ. of Arizona (United States)
Guy Koeckelberghs, Katholieke Univ. Leuven (Belgium)
André Persoons, College of Optical Sciences, The Univ. of Arizona (United States)
Katholieke Univ. Leuven (Belgium)

Published in SPIE Proceedings Vol. 9181:
Light Manipulating Organic Materials and Devices
Jean-Michel Nunzi, Editor(s)

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