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DTSTART:20170326T030000
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DTSTART:20161030T020000
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DTSTAMP:20260428T233024Z
UID:589045ffaa7aa017655888@ist.ac.at
DTSTART:20170308T094500
DTEND:20170308T104500
DESCRIPTION:Speaker: Marta Gibert\nAbstract: In recent years\, complex-oxid
 e heterostructures have garnered much attention due to the many routes (i.
 e. strain\, charge transfer\, reduced dimensionalities\, etc.) they offer 
 to tune the already outstanding properties of these materials and also all
 ow novel functionalities to be engineered. \nIn this presentation\, we wil
 l focus on nickelate-based heterostructures. Perovskite nickelates (RNiO3\
 , R=rare earth)\, with the exception of LaNiO3\, display a metal-insulator
  transition (MIT) and antiferromagnetic order in the low temperature phase
 . Tuning of the MI and Néel transitions is efficiently achieved in nickel
 ate thin films over a wide temperature range\, and even ultrathin LaNiO3 f
 ilms undergo a MIT as the thickness is reduced. I will also report how int
 erface engineering can be used not only to induce a new magnetic phase in 
 the otherwise non-magnetic LaNiO3 but also to generate rich and complex ma
 gnetic behaviour in (111)-oriented LaNiO3/LaMnO3 heterostructures. For 7-m
 onolayer-thick LaNiO3/LaMnO3 superlattices\, the emergence of negative and
  positive exchange bias is observed at low temperature before the stabiliz
 ation of an antiferromagnetically-coupled state between the LaMnO3 layers.
LOCATION:Mondi Seminar Room 2\, Central Building\, ISTA
ORGANIZER:pdelreal@ist.ac.at
SUMMARY:Marta Gibert: Metal-Insulator Transition and Interlayer Coupling in
  Nickelate-based Heterostructure
URL:https://talks-calendar.ista.ac.at/events/291
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