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https://hdl.handle.net/10356/98139| Title: | Room temperature positive magnetoresistance via charge trapping in polyaniline-iron oxide nanoparticle composites | Authors: | Lin, Aigu L. Wu, Tom Chen, Wei Wee, Andrew T. S. |
Issue Date: | 2013 | Source: | Lin, A. L., Wu, T., Chen, W.,& Wee, A. T. S. (2013). Room temperature positive magnetoresistance via charge trapping in polyaniline-iron oxide nanoparticle composites. Applied Physics Letters, 103(3), 032408. | Series/Report no.: | Applied physics letters | Abstract: | 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 presence of an external magnetic field which result in them being trapped within the device between the insulating PANI layer, hence allowing the device to maintain its resistive state even when the power is switched off, thus exhibiting a memory effect. | URI: | https://hdl.handle.net/10356/98139 http://hdl.handle.net/10220/13323 |
ISSN: | 0003-6951 | DOI: | 10.1063/1.4815998 | Schools: | School of Physical and Mathematical Sciences | Rights: | © 2013 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.4815998]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
| Appears in Collections: | SPMS Journal Articles |
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| Room temperature positive magnetoresistance via charge trapping in polyaniline-iron oxide nanoparticle composites.pdf | 1.33 MB | Adobe PDF |  View/Open |
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