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Title: Electronic transport properties of spin-crossover polymer plus polyaniline composites with Fe 3 O 4 nanoparticles
Abstract Adding Fe3O4nanoparticles to composites of [Fe(Htrz)2(trz)](BF4) spin-crossover polymer and polyaniline (PANI) drives a phase separation of both and restores the molecular structure and cooperative effects of the spin-crossover polymer without compromising the increased conductivity gained through the addition of PANI. We observe an increased on-off ratio for the DC conductivity owing to an enlarged off state resistivity and a 20 times larger AC conductivity of the on state compared with DC values. The Fe3O4nanoparticles, primarily confined to the [Fe(Htrz)2(trz)](BF4) phase, are ferromagnetically coupled to the local moment of the spin-crossover molecule suggesting the existence of an exchange interaction between both components.  more » « less
Award ID(s):
2203933 2003057 2317464 1827690 2044049
PAR ID:
10486155
Author(s) / Creator(s):
; ; ; ; ; ; ; ; ; ; ;
Publisher / Repository:
IOP Publishing
Date Published:
Journal Name:
Journal of Physics: Materials
Volume:
7
Issue:
1
ISSN:
2515-7639
Format(s):
Medium: X Size: Article No. 015010
Size(s):
Article No. 015010
Sponsoring Org:
National Science Foundation
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