The phenomenon of resistive switching (RS) has been demonstrated in several non-magnetic and some magnetic oxide systems, however the "magnetic" aspect of magnetic oxides has not been emphasized especially in terms of low field tunability. In our work, we examined the CoFe 2O 4/La 0.66Sr 0.34MnO 3 all-magnetic oxide interface system for RS and discovered a very sharp (bipolar) transition at room temperature that can be gated with high sensitivity by low magnetic fields (∼0-100 mT). By using a number of characterizations, we show that this is an interface effect, which may open up interesting directions for manipulation of the RS phenomenon.
Bibliographical noteFunding Information:
V.T. thanks CSIR for the award of Senior Research Fellowship. The authors would like to thank Dr. Pushan Ayyub (TIFR, Mumbai) for help with TEM and Dr. Sankar Dhar for RBS (NUS, Singapore). The authors at NCL, Pune acknowledge support from CSIR (Network project), DAE-BRNS (CRP), and UGC (Indore) grant. D.D.S. acknowledges support from DAE-BRNS (CRP) and J. C. Bose Fellowship, while T.W. acknowledges funding from National Research Foundation of Singapore.
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)