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SUMMARY:Interfacial superconductivity in the LaAlO3/SrTiO3 system
DTSTART:20170331T151500
DTSTAMP:20260510T202442Z
UID:740f8abb99cd550b581d36d1d12bc717d58389fe1e65f15872e641ce
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. J.M. Triscone  DQMP\, University of Geneva\, Switzerlan
 d\nThe interface between LaAlO3 and SrTiO3\, two good band insulators\,
  was found in 2004 to be conducting [1]\, and\, in some doping range\, su
 perconducting with a maximum critical temperature of about 300 mK [2\,3]
 . I will discuss in this presentation the electronic structure of the 2D 
 electron liquid\, superconductivity\, and the phase diagram of the syste
 m. I will then compare superconductivity at the interface and in bulk dop
 ed SrTiO3 [4]. Open questions\, including the origin of superconductivit
 y in doped SrTiO3 and at the LaAlO3/SrTiO3 interface\, signatures of sp
 in-orbit\, and the underdoped regime for which tunneling data suggest an 
 unusual behavior [5]\, will be addressed.\n \nReferences:\n[1] A. Ohtom
 o\, et al Nature 427\, 423 (2004).\n[2] N. Reyren et al\,  Science\,
  317\, 1196 (2007).\n[3] A. Caviglia et at\, Nature 456\, 624 (2008).\
 n[4] S. Garigliio\, et al Review APL Materials\, 4\, 060701 (2016).\n[5
 ] C. Richter\, et al Nature 502\, 528 (2013).\n 
LOCATION:auditorium CE5
STATUS:CONFIRMED
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