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Article

Effects of Sm2O3 and V2O5 Film Stacking on Switching Behaviors of Resistive Random Access Memories

1
Department of Electronic Engineering, National Yunlin University of Science and Technology, Douliou, Yunlin 640, Taiwan
2
Graduate School of Engineering Science and Technology, National Yunlin University of Science and Technology, Douliou, Yunlin 640, Taiwan
3
Department of Digital Game and Animation Design, Tung Fang Design University, No.110, Dongfang Rd., Hunei Dist., Kaohsiung City 82941, Taiwan
*
Authors to whom correspondence should be addressed.
Received: 18 April 2019 / Revised: 3 June 2019 / Accepted: 10 June 2019 / Published: 19 June 2019
In this work, the resistive switching characteristics of resistive random access memories (RRAMs) containing Sm2O3 and V2O5 films were investigated. All the RRAM structures made in this work showed stable resistive switching behavior. The High-Resistance State and Low-Resistance State of Resistive memory (RHRS/RLRS) ratio of the RRAM device containing a V2O5/Sm2O3 bilayer is one order of magnitude higher than that of the devices containing a single layer of V2O5 or Sm2O3. We also found that the stacking sequence of the Sm2O3 and V2O5 films in the bilayer structure can affect the switching features of the RRAM, causing them to exhibit both bipolar resistive switching (BRS) behavior and self-compliance behavior. The current conduction mechanisms of RRAM devices with different film structures were also discussed. View Full-Text
Keywords: resistive random access memory (RRAM); bipolar resistive switching behavior; thin films; electrical conduction mechanism resistive random access memory (RRAM); bipolar resistive switching behavior; thin films; electrical conduction mechanism
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MDPI and ACS Style

Lin, J.-Y.; Wu, K.-Y.; Chen, K.-H. Effects of Sm2O3 and V2O5 Film Stacking on Switching Behaviors of Resistive Random Access Memories. Crystals 2019, 9, 318. https://0-doi-org.brum.beds.ac.uk/10.3390/cryst9060318

AMA Style

Lin J-Y, Wu K-Y, Chen K-H. Effects of Sm2O3 and V2O5 Film Stacking on Switching Behaviors of Resistive Random Access Memories. Crystals. 2019; 9(6):318. https://0-doi-org.brum.beds.ac.uk/10.3390/cryst9060318

Chicago/Turabian Style

Lin, Jian-Yang, Kuang-Yao Wu, and Kai-Huang Chen. 2019. "Effects of Sm2O3 and V2O5 Film Stacking on Switching Behaviors of Resistive Random Access Memories" Crystals 9, no. 6: 318. https://0-doi-org.brum.beds.ac.uk/10.3390/cryst9060318

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