We report an in situ thermochemical treatment that significantly increases the macroscopic electrical conductivity of insulating yttria-stabilized zirconia (YSZ) (001) single-crystalline substrates. We demonstrate the high-quality surface crystalline structure of the resulting “conductive” cYSZ (001) by low- and high-energy electron diffraction. Soft- and hard X-ray photoemission spectroscopy measurements reveal a sizable reduction of Zr cations to a metallic state and their homogeneous distribution within the cYSZ. We discuss the correlation between the microscopic chemical processes leading to the increased macroscopic metallicity. Finally, the heteroepitaxial growth of a functional magnetic oxide model system, ultrathin EuO on cYSZ (001), was demonstrated. cYSZ (001) thereby enables both high quality oxide heteroepitaxy and the advanced sample characterization by high electron-fluence characterization techniques.
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7 May 2014
PROCEEDINGS OF THE 55TH ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS
14-18 November 2010
Atlanta, Georgia
Research Article|
Magnetism and Magnetic Materials|
January 31 2014
“Conductive” yttria-stabilized zirconia as an epitaxial template for oxide heterostructures
C. Caspers;
C. Caspers
1
Peter Grünberg Institut (PGI-6), Forschungszentrum Jülich
, 52425 Jülich, Germany
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A. Gloskovskii;
A. Gloskovskii
2
DESY Photon Science, Deutsches Elektronen-Synchrotron
, 22603 Hamburg, Germany
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W. Drube;
W. Drube
2
DESY Photon Science, Deutsches Elektronen-Synchrotron
, 22603 Hamburg, Germany
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C. M. Schneider;
C. M. Schneider
1
Peter Grünberg Institut (PGI-6), Forschungszentrum Jülich
, 52425 Jülich, Germany
3
Fakultät für Physik and Center for Nanointegration Duisburg-Essen (CeNIDE)
, 47048 Duisburg, Germany
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a)
Electronic mail: [email protected]
J. Appl. Phys. 115, 17C111 (2014)
Article history
Received:
September 23 2013
Accepted:
November 01 2013
Citation
C. Caspers, A. Gloskovskii, W. Drube, C. M. Schneider, M. Müller; “Conductive” yttria-stabilized zirconia as an epitaxial template for oxide heterostructures. J. Appl. Phys. 7 May 2014; 115 (17): 17C111. https://doi.org/10.1063/1.4863803
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