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Article

Comparison of the Electrical Response of Cu and Ag Ion-Conducting SDC Memristors Over the Temperature Range 6 K to 300 K

Department of Electrical and Computer Engineering, Boise State University, Boise, ID 83725-2075, USA
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Author to whom correspondence should be addressed.
Micromachines 2019, 10(10), 663; https://doi.org/10.3390/mi10100663
Received: 3 September 2019 / Revised: 21 September 2019 / Accepted: 29 September 2019 / Published: 30 September 2019
Electrical performance of self-directed channel (SDC) ion-conducting memristors which use Ag and Cu as the mobile ion source are compared over the temperature range of 6 K to 300 K. The Cu-based SDC memristors operate at temperatures as low as 6 K, whereas Ag-based SDC memristors are damaged if operated below 125 K. It is also observed that Cu reversibly diffuses into the active Ge2Se3 layer during normal device shelf-life, thus changing the state of a Cu-based memristor over time. This was not observed for the Ag-based SDC devices. The response of each device type to sinusoidal excitation is provided and shows that the Cu-based devices exhibit hysteresis lobe collapse at lower frequencies than the Ag-based devices. In addition, the pulsed response of the device types is presented. View Full-Text
Keywords: chalcogenide; electrochemical metallization cell; electrochemical metallization (ECM); ion conduction; memristor; self-directed channel (SDC) chalcogenide; electrochemical metallization cell; electrochemical metallization (ECM); ion conduction; memristor; self-directed channel (SDC)
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MDPI and ACS Style

Drake, K.; Lu, T.; Majumdar, M.K.H.; Campbell, K.A. Comparison of the Electrical Response of Cu and Ag Ion-Conducting SDC Memristors Over the Temperature Range 6 K to 300 K. Micromachines 2019, 10, 663. https://doi.org/10.3390/mi10100663

AMA Style

Drake K, Lu T, Majumdar MKH, Campbell KA. Comparison of the Electrical Response of Cu and Ag Ion-Conducting SDC Memristors Over the Temperature Range 6 K to 300 K. Micromachines. 2019; 10(10):663. https://doi.org/10.3390/mi10100663

Chicago/Turabian Style

Drake, Kolton, Tonglin Lu, Md. K.H. Majumdar, and Kristy A. Campbell 2019. "Comparison of the Electrical Response of Cu and Ag Ion-Conducting SDC Memristors Over the Temperature Range 6 K to 300 K" Micromachines 10, no. 10: 663. https://doi.org/10.3390/mi10100663

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