activity
20152026
most citedTuning the conductance topology in solids

18 citations · 56 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.mtrl-sci2026

Beyond Impedance Additivity: A Systematic Nonlinear Perspective on Memristor Associations

Luiz A. Meneghetti, Leonardo K. Castelano, Antônio Sérgio dos Santos +5

We investigate the validity of the superposition principle and impedance additivity in AC circuits containing a memristive device connected in series with a resistor, capacitor, or…

physics.app-ph2025★ 1 cited

2D Canonical Approach for Beating the Boltzmann Tyranny Using Memory

Rafael Schio Wengenroth Silva, Soumen Pradhan, Fabian Hartmann +4

The 60 mVdecade subthreshold limit at room temperature, coined as the Boltzmann tyranny, remains a fundamental obstacle to the continued down-scaling of conventional transistors…

physics.app-ph2025

A New Approach to Characterize Charge Transport and Hysteresis in Perovskite Solar Cells

Gabriel L. Nogueira, Victor Lopez-Richard, Luiz A. Meneghetti +2

Perovskite solar cells (PSCs) have emerged as a promising photovoltaic technology, already achieving efficiencies surpassing 25%. However, effects such as hysteresis are commonly o…

physics.app-ph2024

From Memory Traces to Surface Chemistry: Decoding REDOX Reactions

Ana Luiza Costa Silva, Rafael Schio Wengenroth Silva, Lucas Augusto Moisés +4

Gas and moisture sensing devices leveraging the resistive switching effect in transition metal oxide memristors promise to revolutionize next-generation, nano-scaled, cost-effectiv…

cond-mat.mtrl-sci2024★ 1 cited

Microscopic Modeling of Polarization Dynamics in Leaky Dielectrics: Insights into Ferroelectric-Like Behavior

Igor Ricardo Filgueira e Silva, Ovidiu Lipan, Fabian Hartmann +2

Based on a microscopic model of nonequilibrium carrier generation in a leaky dielectric, we analytically derive hysteresis loops for the dielectric response of non-polar, non-ferro…

cond-mat.mtrl-sci2024★ 10 cited

Unified Model for Probing Solar Cell Dynamics via Cyclic Voltammetry and Impedance Spectroscopy

Victor Lopez-Richard, Luiz A. Meneghetti, Gabriel L. Nogueira +2

Despite the remarkable progress in emerging solar cell technologies such as hybrid organic-inorganic perovskites, there are still significant limitations related to the stability o…

cond-mat.mes-hall2024★ 5 cited

Accuracy Bottlenecks in Impedance Spectroscopy due to Transient Effects

Victor Lopez-Richard, Soumen Pradhan, Leonardo K. Castelano +4

Impedance spectroscopy is vital for material characterization and assessing electrochemical device performance. It provides real-time analysis of dynamic processes such as electrod…

physics.app-ph2023★ 12 cited

Beyond equivalent circuit representations in nonlinear systems with inherent memory

V. Lopez-Richard, S. Pradhan, R. S. Wengenroth Silva +4

Basic multimode impedance analysis grounded in the availability of nonequilibrium charge carriers and their retarded path towards equilibrium is used to access the inadequacy of eq…

cond-mat.mtrl-sci2022★ 18 cited

Tuning the conductance topology in solids

Victor Lopez-Richard, Rafael Schio Wengenroth Silva, Ovidiu Lipan +1

The inertia of trapping and detrapping of nonequilibrium charge carriers affects the electrochemical and transport properties of both bulk and nanoscopic structures in a very pecul…

cs.ET2015★ 9 cited

A Memcomputing Pascaline

Y. V. Pershin, L. K. Castelano, F. Hartmann +2

The original Pascaline was a mechanical calculator able to sum and subtract integers. It encodes information in the angles of mechanical wheels and through a set of gears, and aide…