Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.98.024504
Title: Anisotropic superconductivity and frozen electronic states at the (111) LaAlO3/SrTiO3 interface
Authors: Davis, S.
Huang, Z.
Han, K.
Ariando 
Venkatesan, T.
Chandrasekhar, V. 
Issue Date: 9-Jul-2018
Publisher: American Physical Society
Citation: Davis, S., Huang, Z., Han, K., Ariando, Venkatesan, T., Chandrasekhar, V. (2018-07-09). Anisotropic superconductivity and frozen electronic states at the (111) LaAlO3/SrTiO3 interface. PHYSICAL REVIEW B 98 (2). ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.98.024504
Abstract: We report measurements of the superconducting properties of the two-dimensional (2D) gas that forms at the interface between LaAlO3 (LAO) and SrTiO3 (STO) in the (111) crystal orientation, a system that permits in situ tuning of carrier density and disorder by means of a back-gate voltage Vg. Like the (001) oriented LAO/STO interface, superconductivity at the (111) LAO/STO interface can be tuned by Vg. The 2D superconductivity in these (111) LAO/STO samples shows an in-plane anisotropy, being different along different interface crystal directions, and "remembers" the disorder landscape at which they are cooled through the superconducting transition. The low energy scale and other characteristics of this memory effect distinguish it from charge-trapping effects previously observed in (001) interface samples. © 2018 American Physical Society.
Source Title: PHYSICAL REVIEW B
URI: https://scholarbank.nus.edu.sg/handle/10635/168675
ISSN: 24699950
DOI: 10.1103/PhysRevB.98.024504
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