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Electron Gases in Oxide Heterostructures

Published online by Cambridge University Press:  12 July 2019

Stefan Thiel ,
L. Fitting-Kourkoutis ,
D. A. Muller ,
W. Tian ,
D. G. Schlom ,
G. Hammerl ,
C. Richter ,
C. W. Schneider  and
J. Mannhart
Stefan Thiel
Affiliation:
Experimentalphysik VI, Electronic Correlations and Magnelism Institute of Physics, University of Augsburg, Germany
L. Fitting-Kourkoutis
Affiliation:
Applied and Engineering Physics, Cornell University, Ithaca, NY, USA
D. A. Muller
Affiliation:
Applied and Engineering Physics, Cornell University, Ithaca, NY, USA
W. Tian
Affiliation:
Penn State University
D. G. Schlom
Affiliation:
Penn State University
G. Hammerl
Affiliation:
Experimentalphysik VI, Electronic Correlations and Magnelism Institute of Physics, University of Augsburg, Germany
C. Richter
Affiliation:
Experimentalphysik VI, Electronic Correlations and Magnelism Institute of Physics, University of Augsburg, Germany
C. W. Schneider
Affiliation:
Experimentalphysik VI, Electronic Correlations and Magnelism Institute of Physics, University of Augsburg, Germany
J. Mannhart
Affiliation:
Experimentalphysik VI, Electronic Correlations and Magnelism Institute of Physics, University of Augsburg, Germany
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Abstract

Format

This is a copy of the slides presented at the meeting but not formally written up for the volume.

Abstract

Complex oxides show a broad spectrum of intrinsic functionalities, such as ferroelectricity, magnetism, superconductivity or multiferroic behavior, which can be utilized and combined in electronic devices by the growth and design of heterostructures. Physical properties may arise in such multilayers that are not found in either of their constituents. A spectacular example for such a phenomenon, a conducting and highly mobile electron gas, is formed at the interface between the two insulating, dielectric perovskites LaAlO3 and SrTiO3 [1] which can be easily tuned by transverse electric fields [2]. In our contribution we will present recent studies of the microstructure of the multilayer and we will correlate them with the transport properties of the electron gas. [1] A. Ohtomo, H. Y. Hwang, Nature 427, 423-426 (2004). [2] S. Thiel, G. Hammerl, A. Schmehl, C. W. Schneider, J. Mannhart, Science 313, 1942-1945 (2006).

Keywords

oxidetransmission electron microscopyelectronic structure
Type
Slide Presentations
Information
MRS Online Proceedings Library (OPL) , Volume 1000: Symposium L – Solution Processing of Inorganic and Hybrid Materials for Electronics and Photonics , 2007 , 1000-L05-03
Copyright
Copyright © Materials Research Society 2007

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