Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session T00: Poster Session III (1pm-4pm PST)
1:00 PM,
Thursday, March 9, 2023
Room: Exhibit Hall (Forum Ballroom)
Sponsoring
Unit:
APS
Abstract: T00.00195 : Structural engineering of La0.7Sr0.3MnO3 thin films - towards magnetic oxide-van der Waals heterostructures*
Presenter:
Damian Brzozowski
(NTNU)
Authors:
Damian Brzozowski
(NTNU)
Yu Liu
(Norwegian Univ Tech (NTNU))
Dennis Meier
(NTNU)
ingrid hallsteinsen
(Norwegian University of Science and Tecnhology (NTNU), depar)
LSMO thin films are deposited by pulsed laser deposition (PLD) directly onto different substrates, i.e., (111)-oriented SrTiO3 (STO) and muscovite mica, studying the effect on the structural and magnetic properties. AFM reveals the surface roughness and topography, showing a grain-like structure of LSMO grown on mica and step-terrace growth on STO, respectively. In addition to the different surface morphology, XRD measurements reveal the film on mica to be polycrystalline and the film on STO to be epitaxial. Most importantly for heterostructure engineering, hexagonal surface structure is achieved, which is crucial for depositing, e.g., Bi2Te3. With this, the research enables tuning interfacial magnetism via growth control of the oxide.
*This project is supported by the Research Council of Norway under project number 325063.
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