The Birth of Phononic Atomic-Size Contacts
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The Birth of Phononic Atomic-Size Contacts
In the 1990s the scanning tunneling microscope (STM) and break-junction techniques made possible to…
The Magneto-Optical Activity of Any Dipolar Particle Has a Universal Upper Bound
Based on energy conservation, we prove that the magneto-optical activity of any dipolar nanoparticle…
Excitonic Order in Quantum Materials
The excitonic insulator is a many-body ground state of condensed, spontaneously formed excitons (electron–hole…
Domain-Selective Enhancement of Second Harmonic Generation in Monolayer MoS2 via Ferroelectricity-Controlled Photodoping
Hybrid heterostructures combining two-dimensional semiconductors with ferroelectric materials offer a versatile route to actively…
From Island to Island: How Energy Travels in a Fragmented Crystal
This study reports a new class of two-dimensional lead-bromide perovskite based on monovalent 4-aminomethylbenzoic…
Close Encounters Between Periodic Light and Periodic Arrays of Quantum Emitters
Researchers at IFIMAC introduce crystal polaritons: hybrid excitations that emerge when the collective excitations…
Direct Observation of Vortex Liquid Droplets in the Iron Pnictide Superconductor CaKFe4As4 at 0.5Tc
IFIMAC researchers report the formation of vortex liquid droplets—spatially localized regions where vortices exhibit…
Article in Advanced Functional Materials: “Spin Injection Of Exciton-Polaritons With Halide Perovskites At Room Temperature”
Researchers from IFIMAC and the Universidad Autónoma de Madrid have demonstrated room-temperature spin injection…
Hamaker Constants of van der Waals Materials under Clean-Interface Conditions
The strength of van der Waals interactions in layered materials is commonly described through…
Vortices Observed in a Two-Dimensional Putative Topological Superconductor
The layered compound 𝛾-PtBi2 is a topological semimetal with Fermi arcs at the surface…
Unveiling Surface and Subsurface Atomic Vacancies in MoS2 with Lateral Force Microscopy
In this work, friction imaging is shown to detect atomic defects in MoS2, even…
Topological Transitions in Quantum Self-Oscillators
Self-oscillators are ubiquitous across physics, from lasers and electronic circuits to nanomechanical, photonic, and…
When Magnetism and Superconductivity Stop Being Enemies
A new study published in *Physical Review Letters*, from a collaboration between the Centro…
Topological States Emerge in Quantum Hall-Superconductor Devices with Multiple Channels
We demonstrate the emergence of novel topological phases in quantum Hall-superconductor hybrid structures driven…
Determining the Free-Carrier Fraction in 2D Perovskites Using Power Dependent Photoluminescence
Determining the nature of the optical excited state (excitons or free carriers) in nanostructured…
Operando Multimodal Visualization of Lithium Plating and Interfacial Evolution in Zero-Excess Solid-State Batteries
Zero-excess solid-state batteries (ZESSBs) are promising next-generation energy storage systems, having potentially high energy…