60 citations · 441 across the 29 of their papers we have counts for
30 papers
Novel functionalities enabled by asymmetric reconfiguration in VO2-dielectric metasurfaces
P. Hostalet-Vicent, L. M. Máñez-Espina, K. Schouteden +5
Bianisotropic metasurfaces provide electromagnetic functionalities that cannot be achieved through electric and magnetic responses alone, enabling asymmetric scattering, directiona…
Ultra-high endurance silicon photonic memory using vanadium dioxide
Juan José Seoane, Jorge Parra, Juan Navarro-Arenas +4
Silicon photonics arises as a viable solution to address the stringent resource demands of emergent technologies, such as neural networks. Within this framework, photonic memories…
Mott resistive switching initiated by topological defects
Alessandra Milloch, Ignacio Figueruelo-Campanero, Wei-Fan Hsu +11
Resistive switching is the fundamental process that triggers the sudden change of the electrical properties in solid-state devices under the action of intense electric fields. Desp…
Confinement-Induced Isosymmetric Metal-Insulator Transition in Ultrathin Epitaxial V2O3 Films
Simon Mellaerts, Claudio Bellani, Wei-Fan Hsu +9
Dimensional confinement has shown to be an effective strategy to tune competing degrees of freedom in complex oxides. Here, we achieved atomic layered growth of trigonal vanadium s…
E-TEST prototype design report
A. Sider, L. Amez-Droz, A. Amorosi +38
E-TEST (Einstein Telescope Euregio-Meuse-Rhin Site and Technology) is a project recently funded by the European program Ineterreg Euregio Meuse-Rhine. This program is dedicated to…
Coherent control of the orbital occupation driving the insulator-to-metal Mott transition in VO
Paolo Franceschini, Veronica R. Policht, Alessandra Milloch +13
Managing light-matter interactions on timescales faster than the loss of electronic coherence is key for achieving full quantum control of the final products in solid-solid transfo…
ETpathfinder: a cryogenic testbed for interferometric gravitational-wave detectors
A. Utina, A. Amato, J. Arends +112
The third-generation of gravitational wave observatories, such as the Einstein Telescope (ET) and Cosmic Explorer (CE), aim for an improvement in sensitivity of at least a factor o…
Hole-doping induced ferromagnetism in 2D materials
R. Meng, L. M. C. Pereira, J. P. Locquet +3
Two-dimensional (2D) ferromagnetic materials are considered as promising candidates for the future generations of spintronic devices. Yet, 2D materials with intrinsic ferromagnetis…
On the origin of supertetragonality in BaTiO
Simon Mellaerts, Jin Won Seo, Valeri Afanas'ev +2
Understanding ferroelectricity is of both fundamental and technological importance to further stimulate the development of new materials designs and manipulations. Here, we perform…
Ultrafast loss of lattice coherence in the light-induced structural phase transition of VO
A. S. Johnson, D. Moreno-Mencía, E. B. Amuah +5
In solids, the response of the lattice to photo-excitation is often described by the inertial evolution on an impulsively modified potential energy surface which leads to coherent…
Nanoscale self-organisation and metastable non-thermal metallicity in Mott insulators
Andrea Ronchi, Paolo Franceschini, Andrea De Poli +10
Mott transitions in real materials are first order and almost always associated with lattice distortions, both features promoting the emergence of nanotextured phases. This nanosca…
An efficient direct band-gap transition in germanium by three-dimensional strain
Simon Mellaerts, Valeri Afanasiev, Jin Won Seo +2
Complementary to the development of highly three-dimensional (3D) integrated circuits in the continuation of Moore's law, there has been a growing interest in new 3D deformation st…
Room temperature Mott metal-insulator transition in V2O3 compounds induced via strain-engineering
P. Homm, M. Menghini, J. W. Seo +2
Vanadium sesquioxide (V2O3) is an archetypal Mott insulator in which the atomic positions and electron correlations change as temperature, pressure or doping are varied giving rise…
Quarter-filled Kane-Mele Hubbard model: Dirac half-metals
Simon Mellaerts, Ruishen Meng, Valeri Afanasiev +3
Recent experimental success in the realization of two-dimensional (2D) magnetism has stimulated the search for new magnetic 2D materials with strong magnetic anisotropy and high Cu…
Two-dimensional honeycomb-kagome V2O3: a robust room-temperature magnetic Chern insulator interfaced with graphene
Simon Mellaerts, Ruishen Meng, Mariela Menghini +4
The possibility of dissipationless chiral edge states without the need of an external magnetic field in the quantum anomalous Hall effect (QAHE) offers a great potential in electro…
Non-thermal light-assisted resistance collapse in a VO-based Mott-insulator device
Andrea Ronchi, Paolo Franceschini, Pia Homm +7
The insulator-to-metal transition in Mott insulators is the key mechanism for a novel class of electronic devices, belonging to the Mottronics family. Intense research efforts are…
Temporal dynamics of all-optical switching in hybrid VO2/Si waveguides
Jorge Parra, Todora Ivanova, Mariela Menghini +3
Vanadium dioxide (VO2) is one of the most promising materials for developing hybrid photonic integrated devices (PICs). However, despite switching times as low as a few femtosecond…
Comment on "Unveiling the double-well energy landscape in a ferroelectric layer"
J. A. Kittl, M. Houssa, V. V. Afanasiev +1
Analysis of data presented in the paper -- Unveiling the double-well energy landscape in a ferroelectric layer, by M. Hoffmann, et al., Nature 565, 464 (2019) -- suggesting the cla…
A critical analysis of models and experimental evidence of negative capacitance stabilization in a ferroelectric by capacitance matching to an adjacent dielectric layer
J. A. Kittl, J. -P. Locquet, M. Houssa +1
We present a thorough analysis of the foundations of models of stabilization of negative capacitance (NC) in a ferroelectric (FE) layer by capacitance matching to a dielectric laye…
Early-stage dynamics of metallic droplets embedded in the nanotextured Mott insulating phase of VO
Andrea Ronchi, Pía Homm, Mariela Menghini +10
Unveiling the physics that governs the intertwining between the nanoscale self-organization and the dynamics of insulator-to-metal transitions (\textit{IMT}) is key for controlling…
Ultrafast orbital manipulation and Mott physics in multi-band correlated materials
Andrea Ronchi, Paolo Franceschini, Laura Fanfarillo +12
Multiorbital correlated materials are often on the verge of multiple electronic phases (metallic, insulating, super- conducting, charge and orbitally ordered), which can be explore…
Collapse of the low temperature insulating state in Cr-doped VO thin films
Pía Homm, Leander Dillemans, Mariela Menghini +10
We have grown epitaxial Cr-doped VO thin films with Cr concentrations between and on -AlO by oxygen-assisted molecular beam epitaxy. For the high…
An electric-field driven Mott metal-insulator transition in correlated thin films: an inhomogeneous dynamical mean-field theory approach
Petar Bakalov, Davoud Nasr Esfahani, Lucian Covaci +3
Simulations are carried out based on the dynamical mean-field theory (DMFT) in order to investigate the properties of correlated thin films for various values of the chemical poten…
The Continuous-Pole-Expansion method to obtain spectra of electronic lattice models
Peter Staar, Bart Ydens, Anton Kozhevnikov +2
We present a new algorithm to analytically continue the self-energy of quantum many-body systems from Matsubara frequencies to the real axis. The method allows straightforward, una…