Search results for crystal

Analytical Chemistry Apr 2, 2024

Researchers investigate the surface extraction of platinum catalysts in alkaline media

Platinum (Pt) electrodes are crucial for clean power technologies like hydrogen fuel cells and electrolysis. However, the surface oxidation that occurs during such processes degrades catalyst performance and stability.

Condensed Matter Apr 2, 2024

Researchers discover dual topological phases in an intrinsic monolayer crystal

Dual topological phases have been discovered in an intrinsic monolayer crystal, a finding that reveals new and unique rule-bending properties in a quantum material, an international team of scientists led by Boston College ...

Optics & Photonics Apr 1, 2024

A novel liquid crystal-based tunable dielectric metasurface

Dielectric metasurfaces represent one of the cutting-edge research and application directions in optics. They not only possess the advantage of low loss but also enable the realization of device thicknesses at subwavelength ...

Optics & Photonics Apr 1, 2024

Old crystal, new story for enhancing deep ultraviolet laser performance

In the realm of science and technology, harnessing coherent light sources in the deep ultraviolet (DUV) region holds immense significance across various applications such as lithography, defect inspection, metrology, and ...

Ecology Mar 31, 2024

As climate change and pollution imperil coral reefs, scientists are deep-freezing corals to repopulate future oceans

Coral reefs are some of the oldest, most diverse ecosystems on Earth, and among the most valuable. They nurture 25% of all ocean life, protect coasts from storms and add billions of dollars yearly to the global economy through ...

Cell & Microbiology Mar 29, 2024

Researchers reveal structure and assembly mechanism of unique module in cellulosome

Cellulosomes are multi-enzyme complexes known for their efficient lignocellulose degradation, which is valuable in bioenergy technique development. The diverse composition and intricate assembly of cellulosomes give them ...

Analytical Chemistry Mar 29, 2024

A high-efficiency photocatalyst for converting carbon dioxide into environmentally friendly energy using sunlight

DGIST Professor In Su-il's research team has developed a high-efficiency photocatalyst that utilizes sunlight to convert carbon dioxide (CO2), the primary cause of global warming, into methane (CH4) fuel. The research team ...

Condensed Matter Mar 28, 2024

Magnetic avalanche triggered by quantum effects: 'Barkhausen noise' detected for first time

Iron screws and other so-called ferromagnetic materials are made up of atoms with electrons that act like little magnets. Normally, the orientations of the magnets are aligned within one region of the material but are not ...

Environment Mar 28, 2024

Last coal-burning power plant in New England set to close in a win for environmentalists

The last coal-fired power plant in New England, which had been the focus of a lawsuit and protests, is set to close in a victory for environmentalists.

Analytical Chemistry Mar 28, 2024

New method provides automated calculation of surface properties in crystals

Computer-based methods are becoming an increasingly powerful tool in the search for new materials for key technologies such as photovoltaics, batteries, and data transmission. Prof. Dr. Caterina Cocchi and Holger-Dietrich ...

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