Experimental Discovery of Magnetoresistance and Its Memory Effect in Methylimidazolium-Type Iron-Containing Ionic Liquids
KAUST DepartmentPhysical Sciences and Engineering (PSE) Division
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AbstractThe ordering and interactions of charge carriers play a critical role in many physicochemical properties. It is, therefore, interesting to study how a magnetic field affects these physicochemical processes and the consequent behavior of the charge carriers. Here, we report the observation of positive magnetoresistance and its memory effect in methylimidazolium-type iron-containing ionic liquids (ILs). Both the electrical transport and magnetic properties of ILs were measured to understand the mechanism of magnetoresistance behavior and its memory effect. The magnetoresistance effect of [BMIM][FeCl] was found to increase with increasing applied currents. This observed memory effect can be ascribed to the slow order and disorder processes in these ILs due to the large viscosity caused by the interactions among ions.
CitationZhang H, Zhang S, Zhang X (2016) Experimental Discovery of Magnetoresistance and Its Memory Effect in Methylimidazolium-Type Iron-Containing Ionic Liquids. Chemistry of Materials 28: 8710–8714. Available: http://dx.doi.org/10.1021/acs.chemmater.6b03786.
SponsorsThis work was supported by the National Basic Research Program of China (973 program, No. 2014CB239701), National Natural Science Foundation of China (No. 21271175), and International Cooperation and Exchange of the National Natural Science Foundation of China (51561145020).
PublisherAmerican Chemical Society (ACS)
JournalChemistry of Materials