January 24, 2013

High mobility conduction at (110) and (111) LaAlO3/SrTiO3 interfaces

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G. Herranz, F. Sánchez, N. Dix, M. Scigaj, and J. Fontcuberta

Scientific Reports (Nature Publishing Group) 2, 758 (2012)



We have observed high-mobility conduction at LaAlO3/SrTiO3 interfaces oriented along [110] and [111] directions, with the same range of carrier density and mobility values as in the conventional [001]-oriented interfaces. These findings open a new perspective both for materials research and for elucidating the ultimate microscopic mechanism of carrier doping in these oxide interfaces.


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