Volume 516, Issue 1-2 pp. 101-102
Original Paper

Fabrication and characterisation of La0.67Sr0.33MnO3 submicron grain boundary junctions

R. Gunnarsson

Corresponding Author

R. Gunnarsson

Department of Microtechnology and Nanoscience, Chalmers University of Technology, Göteborg, Sweden

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S. Charlebois

S. Charlebois

Department of Microtechnology and Nanoscience, Chalmers University of Technology, Göteborg, Sweden

Département de génie électrique et de génie informatique, Université de Sherbrooke, Sherbrooke, Canada

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T. Liljenfors

T. Liljenfors

Department of Experimental Physics, Chalmers University of Technology and Göteborg University, Göteborg, Sweden

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Z. Ivanov

Z. Ivanov

Department of Microtechnology and Nanoscience, Chalmers University of Technology, Göteborg, Sweden

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E. Olsson

E. Olsson

Department of Experimental Physics, Chalmers University of Technology and Göteborg University, Göteborg, Sweden

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First published: 10 February 2004

Abstract

We have successfully fabricated LSMO grain boundary bicrystal junctions with widths down to 200 nm. The grain boundaries are symmetric with misorientation angles of 24° or 36.8°, and the microbridges are positioned across those with a precision better than ±0.5 µm. Grain boundary magnetoresistance is observed in the wider junctions but not in the most narrow junction.

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