5 papers
Benchmarking Current-to-Voltage Amplifiers for Quantum Transport Measurements
J. Escorza, G. Pellicer, T. de Ara +4
Accurate electrical amplification is essential in molecular electronics for measuring conductance through atomic and molecular junctions, where currents often span several orders o…
Conductance of atomic size contacts of Ag and Au at high magnetic fields
Beilun Wu, Andrés MartÃnez, Paula Obladen +6
Electronic conduction at the atomic scale can be described by Landauer's formalism. In single atom point contacts of noble metals like Au and Ag, there is just one channel open bet…
Stretching helical molecular springs: the peculiar evolution of electron transport in helicene junctions
Anil Kumar Singh, Yuta Ito, León Martin +10
Single-molecule junctions represent electromechanical systems at the edge of device miniaturization. Despite extensive studies on the interplay between mechanical manipulation and…
Measurement of the Quantum Capacitance Between Two Metallic Electrodes
T. de Ara, B. Olivera, C. Sabater +1
Two factors contribute to the electrical capacitance between two electrodes: a classical contribution, stemming from the electric field, and a quantum contribution, governed by the…
Exploring Three-Atom-Thick Gold Structures as a Benchmark for Atomic-Scale Calibration of Break-Junction Systems
J. P. Cuenca, T. de Ara, A. Martinez-Garcia +2
We present an in-depth study of electronic transport in atomic-sized gold contacts using Break-Junction (BJ) techniques under cryogenic and ambient conditions. Our experimental res…