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Effects of Electrode Materials on Charge Conduction Mechanisms of Memory Device Based on Natural Aloe Vera

Published online by Cambridge University Press:  21 July 2016

Zhe Xi Lim ,
Sasidharan Sreenivasan ,
Yew Hoong Wong ,
Feng Zhao  and
Kuan Yew Cheong
Zhe Xi Lim
Affiliation:
Electronic Materials Research Group, School of Materials & Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia.
Sasidharan Sreenivasan
Affiliation:
Institute for Research in Molecular Medicine, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia.
Yew Hoong Wong
Affiliation:
Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
Feng Zhao
Affiliation:
Micro/Nanoelectronics and Energy Laboratory, School of Engineering and Computer Science, Washington State University, Vancouver, WA 98686, U.S.A.
Kuan Yew Cheong*
Affiliation:
Electronic Materials Research Group, School of Materials & Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia.
*
*(Email: [email protected])
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Abstract

Resistive switching behaviors in Aloe vera films are being explored for nonvolatile memory applications. A simple structure in which the Aloe vera films sandwiched in between a top and bottom electrode are used. The switching behaviors of the devices in which the Aloe vera film is dried at different temperatures and the roles of top electrode materials (Al and Ag) are investigated. Current density–voltage measurements reveal that filamentary conduction is the dominant conduction process inducing resistive switching characteristics in Aloe vera films. Device with Al-top electrode requires a forming voltage higher than devices with Ag-top electrode, due to the tendency of oxide formation of these materials. The resistive switching behaviors are highly reproducible, as demonstrated by the data retention performance over an interval of 104 s and endurance capability of over 100 cycles.

Keywords

thin filmdeviceselectrical properties
Type
Articles
Information
MRS Advances , Volume 1 , Issue 36: Soft Materials and Biomaterials , 2016 , pp. 2513 - 2518
Copyright
Copyright © Materials Research Society 2016 

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