Current-controlled memristors: resistive switching systems with negative capacitance and inverted hysteresis
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comunitat-uji-handle2:10234/160292
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Title
Current-controlled memristors: resistive switching systems with negative capacitance and inverted hysteresisAuthor (s)
Date
2023Publisher
American Physical SocietyISSN
2331-7019Bibliographic citation
BISQUERT, Juan. Current-controlled memristors: resistive switching systems with negative capacitance and inverted hysteresis. Physical Review Applied, 2023, vol. 20, núm. 4, p. 044022.Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/acceptedVersionSubject
Abstract
Resistive switching in memristors is being amply investigated for different
applications in non-volatile memory (RRAM), neuromorphic computing and
programmable logic devices. Memristors are conducting devices in ... [+]
Resistive switching in memristors is being amply investigated for different
applications in non-volatile memory (RRAM), neuromorphic computing and
programmable logic devices. Memristors are conducting devices in which the
conductance depends on one or more slow internal state variables, and they exhibit
strongly nonlinear properties and intense memory effects. Here we address the
characterization of current-controlled memristors by small perturbation frequency-
resolved impedance techniques. We show that the equivalent circuit obtained at different
stationary points provides essential information of the dynamical behaviour in voltage
cycling and transient response to a square perturbation. The general method enables the
analysis of stability and hysteresis in current-voltage curves. The current-controlled
memristor produces very naturally a negative capacitance effect, and we review several
devices in the literature, including discharge tubes and metal-oxide memristors, to
expose the deep connections between the sign of the capacitance and the type of
hysteresis. [-]
Is part of
Physical Review Applied, 2023, vol. 20, núm. 4, p. 044022Funder Name
Ministerio de Ciencia e Innovación de España
Project code
EUR2022-134045
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info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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