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Title: Ferromagnetism in pristine Polythiophene at low temperature
Authors: Gangopadhyay, P
Koeckelberghs, Guy
Persoons, Andre #
Issue Date: 2011
Publisher: Spie-int soc optical engineering
Host Document: Organic photonic materials and devices xiii vol:7935 pages:-
Series Title: Proceedings of SPIE
Conference: Conference on Organic Photonic Materials and Devices XIII San Francisco, CA, JAN 24-26, 2011
Article number: 79350U
Abstract: We report on the magnetic behavior of pristine, substituted regioregular poly(thiophene)s. SQUID magnetometry reveals ferromagnetic order below 20K in regioregular (RR) poly(3-dodecyl) thiophene (P3DT), while the regiorandom (RRa) counterpart is barely magnetic. The magnetic behavior and strength observed by SQUID magnetometry appears to be governed by the supramolecular structure. Formation of nanodoughnut structures within the relatively short chain RRP3DT further indicates strong role of supramolecular structures towards ferromagnetic ordering.
ISBN: 978-0-8194-8472-7
ISSN: 0277-786X
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Molecular Imaging and Photonics
Polymer Chemistry and Materials
# (joint) last author

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