Journal
APPLIED PHYSICS LETTERS
Volume 89, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2354422
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Submicron wide structures of conducting quasi-two-dimensional electron gases generated at SrTiO3/LaAlO3 interfaces have successfully been patterned by modulating the thickness of the LaAlO3 layers with unit cell resolution. This technique allows the authors to structure the electron gases without exposing them to the environment and without incorporating other materials at the edges. The structured electron gases have resistances of approximate to 200 Omega/square (4.2 K) and mobilities of approximate to 700 cm(2)/V s (4.2 K), while the resistances of the areas patterned to be insulating exceed 10(10) Omega/square. (c) 2006 American Institute of Physics.
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