Electric-field tunable spin valves are being investigated

Exchange bias at ferromagnet/multiferroic interfaces has been studied for various thin film and bulk multiferroics including BiFeO3, TbMnO3, LuMnO3, and Cr2O3. Tunable spin valve structures are being explored. Magnetoresistance devices using BiFeO3 as the exchange biasing layer have been demonstrated.
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UMD Materials Research Science and Engineering Center (2005)
The Maryland MRSEC carries out nationally recognized fundamental research on surfaces and interfaces of materials with potential impact on the next generation of opto- and nano-electronic devices, and on complex oxides with potential applications in memory, switches, and sensors.