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Nanomaterials Mar 27, 2025

Mapping the future of metamaterials

Metamaterials are artificially-structured materials with extraordinary properties not easily found in nature. With engineered three-dimensional (3D) geometries at the micro- and nanoscale, these architected materials achieve ...

Nanophysics Mar 27, 2025

Nanoscale ripples provide key to unlocking thin material properties in electronics

When materials are created on a nanometer scale—just a handful of atoms thick—even the thermal energy present at room temperature can cause structural ripples. How these ripples affect the mechanical properties of these ...

Nanophysics Mar 25, 2025

Magnetic 'microflowers' enhance local magnetic fields

A flower-shaped structure only a few micrometers in size made of a nickel-iron alloy can concentrate and locally enhance magnetic fields. The size of the effect can be controlled by varying the geometry and number of "petals."

Condensed Matter Mar 25, 2025

Listening to quantum atoms talk together thanks to acoustics

What happens when a quantum physicist is frustrated by the limitations of quantum mechanics when trying to study densely packed atoms? At EPFL, you get a metamaterial, an engineered material that exhibits exotic properties.

Condensed Matter Mar 24, 2025

Patterned spintronic emitter enables room-temperature THz polarization control for wireless and biomedical applications

Terahertz (THz) waves are located between microwaves and infrared light in the electromagnetic spectrum. They can pass through many materials without causing damage, making them useful for security scanning, medical imaging, ...

Optics & Photonics Mar 24, 2025

Researchers unveil unidirectional light focusing using diffractive optics

Researchers at the University of California, Los Angeles (UCLA) have unveiled a new optical technology that enables precise focusing of light—only in one direction. This novel unidirectional focusing design uses structured ...

Optics & Photonics Mar 12, 2025

Quantum holograms: Metasurfaces entangle light and information in new study

Quantum entanglement is a fundamental phenomenon in nature and one of the most intriguing aspects of quantum mechanics. It describes a correlation between two particles, such that measuring the properties of one instantly ...

Nanomaterials Mar 12, 2025

Plasmon-assisted catalytic COâ‚‚ conversion method offers sustainable e-fuel production

The conversion of CO2 into e-fuels by light offers a sustainable solution to close the carbon cycle. Researchers at the Laboratory for Nanometallurgy have pioneered an innovative approach to plasmon-assisted catalytic CO2 ...

Optics & Photonics Feb 27, 2025

Optimized approach enables super-resolution 3D direct laser writing with unprecedented speed and resolution

For the first time, researchers have used high-speed laser writing to create lines spaced just 100 nm apart on a glass substrate. The optimized printing approach could enable super-resolution 3D direct laser writing (DLW) ...

Mathematics Feb 25, 2025

Mathematicians introduce crossing matrices to decode doubly periodic weaves

Doubly periodic weaves—entangled structures with repeating patterns in two independent directions—pose a mathematical challenge. Originally conceived to model real-world structures, such as woven textiles and molecular ...

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