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Strain-induced effects on the electronic structure of manganite thin films and their properties

Applicant Falub Mihaela Carmen
Number 128995
Funding scheme Marie Heim-Voegtlin grants
Research institution Paul Scherrer Institut
Institution of higher education Paul Scherrer Institute - PSI
Main discipline Condensed Matter Physics
Start/End 01.04.2010 - 31.03.2012
Approved amount 165'736.00
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Keywords (3)

manganites; strain; spectroscopy

Lay Summary (English)

Lead
Lay summary
This project takes advantage of the unique combination of the angular-resolved photoelectron spectroscopy (ARPES) and pulsed laser deposition techniques at the Surface and Interface Spectroscopy (SIS) beamline of the Swiss Light Source, which allows in-situ ARPES studies. The goal is to clarify the strain influence upon the electronic structure and properties of manganese perovskite thin films. The information about the strain-induced effects on the low-binding energy (3d) states is crucial because the electronic and magnetic properties of manganites arise from the 3d electrons.

ARPES investigations of the LSMO/STO thin films (under tensile stress) were successfully performed at the SIS beamline. Within this proposal, additional photoemission data for the LSMO/LAO and LSMO/LSAT films will give us a comprehensive picture of the strain-induced changes in the electronic structure.

The project will allow me to reintegrate the scientific community, update and broaden my scientific knowledge and add valuable results to my scientific portfolio.
Direct link to Lay Summary Last update: 21.02.2013

Responsible applicant and co-applicants

Employees

Scientific events

Active participation

Title Type of contribution Title of article or contribution Date Place Persons involved
Joint Users Meeting JUMP@11, Paul Scherrer Institut, Villigen 15.09.2011 PSI Villigen
Joint Annual Meeting of Swiss Physical Society and Austrian Physical Society, EPFL, 2011 15.06.2011 EPF Lausanne
Swiss Physical Society Annual Meeting 2010 21.06.2010 Basel


Abstract

This project takes advantage of the unique combination of the angular-resolved photoelectron spectroscopy (ARPES) and pulsed laser deposition techniques at the Surface and Interface Spectroscopy (SIS) beamline of the Swiss Light Source, which allows in-situ ARPES studies. The goal is to clarify the strain influence upon the electronic structure and properties of manganese perovskite thin films. The information about the strain-induced effects on the low-binding energy (3d) states is crucial because the electronic and magnetic properties of manganites arise from the 3d electrons. ARPES investigations of the LSMO/STO thin films (under tensile stress) were successfully performed at the SIS beamline. Within this proposal, additional photoemission data for the LSMO/LAO and LSMO/LSAT films will give us a comprehensive picture of the strain-induced changes in the electronic structure.The project will allow me to reintegrate the scientific community, update and broaden my scientific knowledge and add valuable results to my scientific portfolio.
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