The magnetism of a buried La{sub 0.7}Sr{sub 0.3}MnO{sub 3} interface
- Material Physics Branch, Naval Research Laboratory, Washington, DC 20375 (United States)
- Center for Superconductivity Research, Department of Physics, University of Maryland, College Park, Maryland 20742-4111 (United States)
Using x-ray absorption spectroscopy (XAS) and x-ray magnetic circular dichroism (XMCD) techniques, we have investigated the electronic structure and magnetic properties of La{sub 0.7}Sr{sub 0.3}MnO{sub 3} (LSMO) as a function of YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} (YBCO) cap layer thickness. The Mn L{sub 2,3} XAS and XMCD data clearly show that the magnetic properties and electronic structure of the LSMO are adversely affected by the YBCO overlayer caused by cation displacement/exchange that effectively reduces the concentration of the La atoms in the LSMO near the YBCO/LSMO interface. {copyright} {ital 1999 American Institute of Physics.}
- OSTI ID:
- 690687
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 21 Vol. 75; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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