Type:
Journal
Description:
The fabrication of oxide electronics devices is presently hindered by the lack of standardized and well established patterning procedures, applicable down to the nanoscale. In this work, the authors propose a procedure to obtain patterns with resolution around 100 nm on (La,Sr)MnO3/LaAlO3/SrTiO3 heterostructures. Our method is based on a multistep technique, which includes wet and dry etching, epitaxial masking, and e-beam lithography. Our procedure is devised to define independent patterns on the interfacial two dimensional electron gas and on the metallic top electrode, while preserving an all-in situ approach for the heterostructure growth. The authors show results on nanoscale devices based on (La,Sr)MnO3/LaAlO3/SrTiO3, suitable for oxide spintronics applications.
Publisher:
American Vacuum Society
Publication date:
24 Jan 2016
Biblio References:
Volume: 34 Issue: 1 Pages: 011208
Origin:
Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena