A number of memristive devices, mainly ReRAMs, have been reported to exhibit a unique non-zero crossing hysteresis attributed to the interplay of resistive and not yet fully understood “capacitive” and “inductive” effects. This work exploits a kinetic simulation model based on a stochastic cloud-in-a-cell method to capture these effects. The model, applied to Au/BiFeO3/Pt/Ti interface-type devices, incorporates vacancy transport and capacitive contributions. The resulting nonlinear response, characterized by hysteresis, is analyzed in detail, providing an in-depth physical understanding of the virtual effects. Capacitive effects are modeled across different layers, revealing their significant role in shaping the non-zero crossing hysteresis behavior. Results from kinetic simulations demonstrate the impact of frequency-dependent impedance on the non-zero crossing phenomenon. This model provides insight into the effects of various device material properties on the non-zero crossing point, such as Schottky barrier height, device area, and oxide layer.
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18 March 2024
Research Article|
March 20 2024
Non-zero crossing current–voltage characteristics of interface-type resistive switching devices
Sahitya Yarragolla
;
Sahitya Yarragolla
a)
(Conceptualization, Methodology, Software, Validation, Writing – original draft)
1
Chair of Applied Electrodynamics and Plasma Technology, Ruhr University
, Bochum, Germany
a)Author to whom correspondence should be addressed: [email protected]
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Torben Hemke
;
Torben Hemke
(Software, Writing – review & editing)
1
Chair of Applied Electrodynamics and Plasma Technology, Ruhr University
, Bochum, Germany
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Jan Trieschmann
;
Jan Trieschmann
(Supervision, Writing – review & editing)
2
Theoretical Electrical Engineering, Faculty of Engineering, Kiel University
, Kaiserstraße 2, 24143 Kiel, Germany
3
Kiel Nano, Surface and Interface Science KiNSIS, Kiel University
, Christian-Albrechts-Platz 4, 24118 Kiel, Germany
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Thomas Mussenbrock
Thomas Mussenbrock
(Funding acquisition, Methodology, Supervision, Writing – review & editing)
1
Chair of Applied Electrodynamics and Plasma Technology, Ruhr University
, Bochum, Germany
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a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Lett. 124, 123504 (2024)
Article history
Received:
February 02 2024
Accepted:
March 10 2024
Citation
Sahitya Yarragolla, Torben Hemke, Jan Trieschmann, Thomas Mussenbrock; Non-zero crossing current–voltage characteristics of interface-type resistive switching devices. Appl. Phys. Lett. 18 March 2024; 124 (12): 123504. https://doi.org/10.1063/5.0202230
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