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DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260629T121115Z DTSTART;VALUE=DATE-TIME:20120628T150000 DTEND;VALUE=DATE-TIME:20120628T160000 SUMMARY:Nanoscale phenomena in multiferroic materials TZID:Europe/London UID:20120628-094d43d537ef598e013832171be40a73@warwick.ac.uk CREATED:20120628T075611Z DESCRIPTION:Speaker: Professor Marin Alexe\, Max Planck Institute of Micr ostructure Physics – Halle\, Germany Functional perovskite materials gai n increasing significance due to their wide spectrum of attractive prope rties\, including ferroelectric\, ferromagnetic\, conducting\, supercond ucting\, and multiferroic. Due to the developments of recent years\, mat erials of this type can conveniently be grown in the form of epitaxial f ilms\, multilayers\, superlattices\, and well-ordered arrays of nanoisla nds opening new avenues in addressing new phenomena which do not exist i n single phase materials. It has become evident that the study of interf aces between different individual materials will provide\, on one side\, a new scientific playground and\, on the other side\, opportunities for new devices based on complex material integration. The present talk wil l address topics which have been recently under focus\, including topolo gical vortices in ferroelectrics and multiferroics\,[i] anomalous photov oltaic effect\,[ii] and tunnel effects in multiferroic junctions[iii] an d which reveal considerable fundamental and applied physics existing at functional oxide interfaces. [i] Direct Observation of Continuous Electr ic Dipole Rotation in Flux-Closure Domains in Ferroelectric Pb(Zr\,Ti)O3 . CL Jia\, KW Urban\, M Alexe\, D Hesse\, I Vrejoiu: Science 331 1420-23 (2011). [ii] Tip-enhanced photovoltaic effects in bismuth ferrite. M Al exe\, D Hesse: Nature Communications 2 : 256 doi: 10.1038/ncomms261 (201 1). [iii] Reversible electrical switching of spin polarization in multif erroic tunnel junctions. D. Pantel\, S. Goetze\, D. Hesse and M. Alexe: Nature Materials 11\, 289-293 (2012). LOCATION:PLT CATEGORIES: LAST-MODIFIED:20120628T075611Z ORGANIZER;CN=Mona Shorehdeli: END:VEVENT END:VCALENDAR