Rastogi, A. and Budhani, R. C. (2012) Solar blind photoconductivity in three-terminal devices of LaAlO3/SrTiO3 heterostructures. Optics Letters, 37 (3). 317-319. ISSN 0146-9592

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Abstract

We report observations of photoconductivity in ultrathin films of LaAlO3 grown on (001) SrTiO3 at several deposition temperatures. The films show pronounced metallic behavior in the dark. The conductance of this metallic state can be enhanced by ultraviolet light (350-400 nm) of a few mu W/cm(2) intensity. The decay of the photoconducting state follows stretched exponential dynamics, which can be accelerated or slowed down on the application of gate voltage, thus imparting a novel functionality to the system.

Item Type:	Article
Additional Information:	copyright for this article belongs to M/s Optical Society of America
Subjects:	Optics
Divisions:	UNSPECIFIED
Depositing User:	Users 27 not found.
Date Deposited:	19 Aug 2026 11:01
Last Modified:	19 Aug 2026 11:01
URI:	https://npl.csircentral.net/id/eprint/3427

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