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DTSTAMP:20260405T225046Z
UID:1696593600@ist.ac.at
DTSTART:20231006T140000
DTEND:20231006T150000
DESCRIPTION:Speaker: Mingfeng Chen\nhosted by Hryhoriy Polshyn\nAbstract: P
 olarized systems including ferroelectricity and ferromagnetism play essent
 ial roles in both condensed matter physics and nanoelectronics. Especially
 \, the low-dimensional ferroelectric domain walls and magnetoelectric coup
 ling effect provide broad application prospects in high-density and low-po
 wer consumption nanoelectronics.In this seminar\, I will first talk about 
 what we have done in traditional oxide thin films and heterostructure. Thi
 s will include the ferroelectric domain structures in BiFeO3 nanostructur
 e\, and how the scanning probe could manipulate the conductivity of domain
  walls. Besides\, I will also talk about how the interfacial coupling in B
 iFeO3/(LaSr)MnO3 multiferroic heterostructure would influence the magnon 
 transmission in the system\, and how the coupling would produce ultra-long
  distance magnon transport.When dimension goes down to 2D\, van der Waals 
 crystals are ideal systems to enlarge the landscape of ferroelectric mater
 ials due to their high versatility. So\, at last\, I will present our stud
 ies on α-In2Se3\, including the ferroelectric semiconductor FET (FeSFET) 
 device with excellent non-volatility of the synapse state\, and in-situ de
 vice characterization by scanning micro impedance microscopy.
LOCATION:Foyer seminar room Ground floor / Office Bldg West\, ISTA
ORGANIZER:
SUMMARY:Mingfeng Chen: Polarized Systems: From 3D Goes Down to Atomically-T
 hin 2D
URL:https://talks-calendar.ista.ac.at/events/4463
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