582 citations · 1k across the 20 of their papers we have counts for
22 papers
Disentangling photodoping, photoconductivity, and photosuperconductivity in the cuprates
R. El Hage, D. Sánchez-Manzano, V. Humbert +10
The normal-state conductivity and superconducting critical temperature of oxygen-deficient YBa2Cu3O7-x can be persistently enhanced by illumination. Strongly debated for years, the…
Memristive effects in YBa2Cu3O7-x devices with transistor-like structure
Aurélien Lagarrigue, Carolina de Dios, Salvatore Mesoraca +5
Cuprate superconductors are strongly sensitive materials to disorder and oxygen stoichiometry; even minute variations of those parameters drastically change their electronic proper…
Multilayer spintronic neural networks with radio-frequency connections
Andrew Ross, Nathan Leroux, Arnaud de Riz +18
Spintronic nano-synapses and nano-neurons perform complex cognitive computations with high accuracy thanks to their rich, reproducible and controllable magnetization dynamics. Thes…
Classification of multi-frequency RF signals by extreme learning, using magnetic tunnel junctions as neurons and synapses
Nathan Leroux, Danijela Marković, Dédalo Sanz-Hernández +8
Extracting information from radiofrequency (RF) signals using artificial neural networks at low energy cost is a critical need for a wide range of applications from radars to healt…
Characterization and modeling of spiking and bursting in experimental NbOx neuron
Marie Drouhin, Shuai Li, Matthieu Grelier +7
Hardware spiking neural networks hold the promise of realizing artificial intelligence with high energy efficiency. In this context, solid-state and scalable memristors can be used…
Imaging the itinerant-to-localized transmutation of electrons across the metal-to-insulator transition in VO
Maximilian Thees, Min-Han Lee, Rosa Luca Bouwmeester +14
In solids, strong repulsion between electrons can inhibit their movement and result in a "Mott" metal-to-insulator transition (MIT), a fundamental phenomenon whose understanding ha…
Superconducting bimodal ionic photo-memristor
Ralph El Hage, Vincent Humbert, Victor Rouco +7
Memristive circuit elements constitute a cornerstone for novel electronic applications, such as neuromorphic computing, called to revolutionize information technologies. By definit…
Hardware realization of the multiply and accumulate operation on radio-frequency signals with magnetic tunnel junctions
Nathan Leroux, Alice Mizrahi, Danijela Markovic +7
Artificial neural networks are a valuable tool for radio-frequency (RF) signal classification in many applications, but digitization of analog signals and the use of general purpos…
Wireless communication between two magnetic tunnel junctions acting as oscillator and diode
Danijela Marković, Nathan Leroux, Alice Mizrahi +7
Magnetic tunnel junctions are nanoscale spintronic devices with microwave generation and detection capabilities. Here we use the rectification effect called "spin-diode" in a magne…
Long-Range Propagation and Interference of -wave Superconducting Pairs in Graphene
D. Perconte, K. Seurre, V. Humbert +13
Recent experiments have shown that proximity with high-temperature superconductors induces unconventional superconducting correlations in graphene. Here we demonstrate that those c…
Factors limiting ferroelectric field-effect doping in complex-oxide heterostructures
L. Bégon-Lours, V. Rouco, Qiao Qiao +12
Ferroelectric field-effect doping has emerged as a powerful approach to manipulate the ground state of correlated oxides, opening the door to a new class of field-effect devices. H…
Microwave neural processing and broadcasting with spintronic nano-oscillators
P. Talatchian, M. Romera, S. Tsunegi +14
Can we build small neuromorphic chips capable of training deep networks with billions of parameters? This challenge requires hardware neurons and synapses with nanometric dimension…
High-Tc superconducting detector for highly-sensitive microwave magnetometry
François Couëdo, Eliana Recoba Pawlowski, Julien Kermorvant +8
We have fabricated arrays of High-T Superconducting Quantum Interference Devices (SQUIDs) with randomly distributed loop sizes as sensitive antennas for Radio-Frequency (RF) wa…
Reservoir computing with the frequency, phase and amplitude of spin-torque nano-oscillators
Danijela Marković, Nathan Leroux, Mathieu Riou +8
Spin-torque nano-oscillators can emulate neurons at the nanoscale. Recent works show that the non-linearity of their oscillation amplitude can be leveraged to achieve waveform clas…
The magnetic origin of the metal-insulator transition in V2O3: Mott meets Slater
J. Trastoy, A. Camjayi, J. del Valle +6
Despite decades of experimental and theoretical efforts, the origin of metal-insulator transitions (MIT) in strongly-correlated materials is one of the main longstanding problems i…
Vowel recognition with four coupled spin-torque nano-oscillators
Miguel Romera, Philippe Talatchian, Sumito Tsunegi +14
Substantial evidence indicates that the brain uses principles of non-linear dynamics in neural processes, providing inspiration for computing with nanoelectronic devices. However,…
Growth-Induced In-Plane Uniaxial Anisotropy in VO/Ni Films
Dustin A. Gilbert, Juan Gabriel Ramírez, Thomas Saerbeck +4
We report on a strain-induced and temperature dependent uniaxial anisotropy in VO/Ni hybrid thin films, manifested through the interfacial strain and sample microstruct…
A high-temperature superconducting weak-link defined by ferroelectric field-effect
L. Begon-Lours, V. Rouco, A. Sander +10
In all-oxide ferroelectric (FE) - superconductor (S) bilayers, due to the low carrier concentration of oxides compared to transition metals, the FE interfacial polarization charges…
Proximity driven commensurate pinning in YBa2Cu3O7 through all-oxide magnetic nanostructures
M. Rocci, J. Azpeitia, J. Trastoy A. Perez-Muñoz +11
The design of artificial vortex pinning landscapes is a major goal towards large scale applications of cuprate superconductors. While disordered nanometric inclusions have shown to…
Unusual magneto-transport of YBa2Cu3O7-d films due to the interplay of anisotropy, random disorder and nanoscale periodic pinning
J. Trastoy, V. Rouco, C. Ulysse +7
We study the general problem of a manifold of interacting elastic lines whose spatial correlations are strongly affected by the competition between random and ordered pinning. This…
Freezing and melting of vortex ice
J. Trastoy, M. Malnou, C. Ulysse +6
We report on the realization of artificial ice using superconducting vortices in geometrically frustrated pinning arrays. This vortex ice shows two unique properties among artifici…
Stoichiometry, structure, and transport in the quasi-one-dimensional metal, Li(0.9)Mo(6)O(17)
J. L. Cohn, P. Boynton, J. S. Trivino +4
A correlation between lattice parameters, oxygen composition, and the thermoelectric and Hall coefficients is presented for single-crystal Li(0.9)Mo(6)O(17), a quasi-one-dimensiona…