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TZID:Europe/Vienna
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DTSTART:20260329T030000
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DTSTART:20251026T020000
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DTSTAMP:20260424T114223Z
UID:68e4dabdd9077586630193@ist.ac.at
DTSTART:20251124T133000
DTEND:20251124T143000
DESCRIPTION:Speaker: Bozo Vareskic\nhosted by Hryhoriy Polshyn\nAbstract: R
 ecently discovered sliding ferroelectrics offer a new route for fabricatin
 g ultra-thin ferroelectric devices utilizing van der Waals materials. By c
 ontrolling the angular alignment between adjacent layers\, dielectric mono
 layers can be assembled into ferroelectric bilayers\, unencumbered by epit
 axial constraints and free from dangling bonds that can contribute to elec
 tric depolarization. These exceptional structural properties allow sliding
  ferroelectric layers to be incorporated with other electrically tunable v
 an der Waals materials to construct heterostructures with unique device fu
 nctionalities.In this talk\, I will present a novel method of electrically
  detecting ferroelectric polarization by electrostatically doping a tunnel
  junction where the electrodes are monolayer graphene and the barrier is s
 liding ferroelectric parallel bilayer boron nitride. By considering contri
 butions from elastic and phonon-assisted\, inelastic electron tunneling\, 
 I will also discuss a theoretical model that captures the dependence of th
 e tunneling conductance with bias\, charge density\, and polarization dire
 ction.
LOCATION:Office Bldg West / Ground floor / Heinzel Seminar Room (I21.EG.101
 )\, ISTA
ORGANIZER:swiddman@ist.ac.at
SUMMARY:Bozo Vareskic: Tunneling through a sliding ferroelectric
URL:https://talks-calendar.ista.ac.at/events/6070
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