Room temperature positive magnetoresistance via charge trapping in polyaniline-iron oxide nanoparticle composites

• Main Authors: Lin, Aigu L., Wu, Tom, Chen, Wei, Wee, Andrew T. S.
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2013
• Online Access: https://hdl.handle.net/10356/98139; http://hdl.handle.net/10220/13323
• Institution: Nanyang Technological University

We demonstrate a polyaniline-iron oxide nanoparticle (PANI-NP) organic hybrid composite device with room temperature positive magnetoresistance of 85.7%. Temperature dependent resistivity measurements attribute this observation to the decrease in localization length of the charge carriers in the pre...