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SUMMARY:Ionitronic Effects in Strongly Correlated Oxide Thin Films - Profe
 ssor Judith Driscoll\, Dept. Materials Science\, University of Cambridge.
DTSTART:20151125T111500Z
DTEND:20151125T121500Z
UID:TALK61168@talks.cam.ac.uk
CONTACT:Helen Verrechia
DESCRIPTION:The strong interplay of structural\, electronic and magnetic d
 egrees of freedom in correlated oxides are important for realizing novel m
 ultifunctional properties. In recent years the ionic degree of freedom has
  also been widely explored and the discovery of nanoionic memristive effec
 ts in oxide thin films has sparked off research activities towards a unive
 rsal device involving terabit memories\, logic operators\, neuristors\, an
 d nanobatteries. In this work\, we show that it is possible to nanoenginee
 r ionic channels into films using vertical nanocomposite structures. The i
 onic channels act both as fast ionic diffusion channels and can also as el
 ectron trapping sites. The extent of ionic versus electronic conductivity 
 can be tuned by appropriate selection of phases in the composites and the 
 strain levels in the system.  Furthermore\, if magnetic phases are incorpo
 rated in the composites\, an applied bias can be used to reversibly switch
  the magnetic properties via coupling to the ionic degrees of freedom.
LOCATION:Mott Seminar Room (531)\, Cavendish Laboratory\, Department of Ph
 ysics
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