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6 papers · 1 filter
Synaptic plasticity in Co/Nb:STO memristive devices: The role of oxygen vacancies
Walter Quiñonez, Anouk Goossens, Diego Rubi +2
Neuromorphic computing aims to develop energy-efficient devices that mimic biological synapses. One promising approach involves memristive devices that can dynamically adjust their…
Correlated Structural and Optical Characterization during Van der Waals Epitaxy of PbI2 on Graphene
C. P. Sonny Tsotezem, E. M. Staicu Casagrande, A. Momeni +11
Van der Waals heterostructures of 2D layered materials have gained much attention due to their flexible electronic properties, which make them promising candidates for energy, sens…
Structural, magnetic, and nanoacoustic characterization of Co/Pt superlattices
E. R. Cardozo de Oliveira, C. Xiang, C. Borrazás +7
Superlattices presenting a spatial modulation of the elastic properties appear as a main tool to reach the THz regime in nanoacoustic devices. The exploration of alternative materi…
KTaO3(001) Preparation Methods in Vacuum: Effects on Surface Stoichiometry, Crystallography, and in-gap States
Andrea M. Lucero Manzano, Esteban D. Cantero, Emanuel A. Martínez +3
KTaO3 single crystals with different orientations are used as substrates for the epitaxial growth of thin films and/or as hosts for two-dimensional electron gases. Due to the polar…
Length-flexible strategies for efficient SERS performance in gold-nanorod-gapped nanoantennas
Sergio F. Flores-Correa, M. L. León Hilario, I. A. Ramos-Pérez +1
Surface-enhanced Raman spectroscopy (SERS) using gold-nanorod-dimer nanoantennas has shown great potential in various applications. This reflects in their large values of the custo…
Role of asymmetry in thermoelectric properties of a double quantum dot out of equilibrium
Diego Perez Daroca, Pablo Roura-Bas, Armando A. Aligia
We investigate the thermoelectric properties of a double quantum dot system coupled to two metallic reservoirs, focusing on two main effects: (i) the influence of coupling asymmetr…