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Ion-implantation-enhanced chalcogenide-glass resistive-switching devices

Hughes, MA, Fedorenko, Y, Gwilliam, GM, Homewood, KP, Hinder, S, Gholipour, B, Hewak, DW, Lee, TH, Elliott, SR and Curry, RJ 2014, 'Ion-implantation-enhanced chalcogenide-glass resistive-switching devices' , Applied Physics Letters, 105 , 083506.

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We report amorphous GaLaSO-based resistive switching devices, with and without Pb-implantation before deposition of an Al active electrode, which switch due to deposition and dissolution of Al metal filaments. The devices set at 2–3 and 3–4V with resistance ratios of 6�104 and 3�109 for the unimplanted and Pb-implanted devices, respectively. The devices reset under positive Al electrode bias, and Al diffused 40 nm further into GaLaSO in the unimplanted device. We attribute the positive reset and higher set bias, compared to devices using Ag or Cu active electrodes, to the greater propensity of Al to oxidise.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Applied Physics Letters
Publisher: American Institute of Physics
ISSN: 0003-6951
Related URLs:
Funders: Engineering and Physical Sciences Research Council (EPSRC)
Depositing User: Dr Mark Hughes
Date Deposited: 10 Nov 2015 14:48
Last Modified: 05 Apr 2016 19:37

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