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Article
Open AccessVersatile stochastic dot product circuits based on nonvolatile memories for high performance neurocomputing and neurooptimization
The key operation in stochastic neural networks, which have become the state-of-the-art approach for solving problems in machine learning, information theory, and statistics, is a stochastic dot-product. While...
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Article
Open AccessSpike-timing-dependent plasticity learning of coincidence detection with passively integrated memristive circuits
Spiking neural networks, the most realistic artificial representation of biological nervous systems, are promising due to their inherent local training rules that enable low-overhead online learning, and energ...
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Article
Open AccessImplementation of multilayer perceptron network with highly uniform passive memristive crossbar circuits
The progress in the field of neural computation hinges on the use of hardware more efficient than the conventional microprocessors. Recent works have shown that mixed-signal integrated memristive circuits, esp...
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Article
Open AccessCorrection: Corrigendum: A multiply-add engine with monolithically integrated 3D memristor crossbar/CMOS hybrid circuit
Scientific Reports 7: Article number: 42429; published online: 14 February 2017; updated: 27 July 2017. M. Payvand, A. Madhavan, A. Ghofrani and L. Theogarajan were omitted from the author list in the original...
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Article
Open AccessA multiply-add engine with monolithically integrated 3D memristor crossbar/CMOS hybrid circuit
Silicon (Si) based complementary metal-oxide semiconductor (CMOS) technology has been the driving force of the information-technology revolution. However, scaling of CMOS technology as per Moore’s law has reac...
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Article
Open AccessSelf-Adaptive Spike-Time-Dependent Plasticity of Metal-Oxide Memristors
Metal-oxide memristors have emerged as promising candidates for hardware implementation of artificial synapses – the key components of high-performance, analog neuromorphic networks - due to their excellent sc...
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Article
Training and operation of an integrated neuromorphic network based on metal-oxide memristors
A transistor-free metal-oxide memristor crossbar with low device variability is realised and trained to perform a simple classification task, opening the way to integrated neuromorphic networks of a complexity...
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Article
Open AccessSurface Nanostructures in Manganite Films
Ultrathin manganite films are widely used as active electrodes in organic spintronic devices. In this study, a scanning tunnelling microscopy (STM) investigation with atomic resolution revealed previously unkn...
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Chapter
Testicolo non palpabile
Il criptorchidismo è la mancata presenza di uno o di entrambi i testicoli nello scroto; l’incidenza è dell’ 1% a 1 anno di età, del 3% nei nati a termine e del 33% nei prematuri. L’eziopatogenesi sembra essere...
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Article
Defects in nanostructures with ripened InAs/GaAs quantum dots
InAs/GaAs quantum dot (QD) structures were grown by molecular beam epitaxy (MBE) with InAs coverages θ continuously graded from 1.5 ML to 2.9 ML. A critical coverage of 2.23 ML is found, above which the island...
