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Search results for chemical vapor deposition

Planetary Sciences Apr 15, 2025

Jupiter's enigmatic weather explained by confirmed 'mushball' phenomenon

Imagine a Slushee composed of ammonia and water encased in a hard shell of water ice. Now picture these ice-encrusted slushballs, dubbed "mushballs," raining down like hailstones during a thunderstorm, illuminated by intense ...

Analytical Chemistry Apr 15, 2025

With a dash of water and sunlight, researchers turn propane into propylene using copper single-atom catalyst

Propane dehydrogenation (PDH) reaction is a highly endothermic reaction, typically requiring temperatures above 600°C in conventional thermo-catalysis. However, elevated temperatures lead to significant energy consumption, ...

Astrobiology Apr 1, 2025

How can we find cryovolcanoes on Europa?

In the 1970s, NASA's Voyager probes passed through Jupiter's system and snapped pictures of its largest moons, also known as the Galilean moons. These pictures and the data they gathered offered the first hints that a global ...

Nanophysics Mar 20, 2025

Overcoming stacking constraints in hexagonal boron nitride via metal-organic chemical vapor deposition

Researchers from Pohang University of Science and Technology (POSTECH) and the University of Montpellier have successfully synthesized wafer-scale hexagonal boron nitride (hBN) exhibiting an AA-stacking configuration, a crystal ...

Earth Sciences Mar 6, 2025

Study finds potassium plays limited role in gold mineralization

Hydrothermal alteration is a complex geological process that can later serve as an indicator of gold deposits for mineral explorers. The process sees hot and metal-rich fluids interact with surrounding rocks, causing chemical ...

Nanomaterials Mar 5, 2025

New synthesis technology for single-crystal 2D semiconductors could spawn next-generation devices

A research team has successfully developed a new synthesis technology for 2D semiconductors. This technique enables the direct growth of wafer-scale single-crystal 2D semiconductors on various substrates. The research is ...

Space Exploration Feb 19, 2025

Mission to investigate signs of life on Jupiter's icy moons

Research Fellow Dr. Babak Bakhit has encountered one of his most challenging projects to date—contributing to the European Space Agency's (ESA) JUpiter ICy moons Explorer (JUICE) mission.

Condensed Matter Jan 21, 2025

Scientists harness the power of 'layered' crystals for energy innovation

University of Missouri scientists are unlocking the secrets of halide perovskites—a material that's poised to reshape our future by bringing us closer to a new age of energy-efficient optoelectronics.

Earth Sciences Jan 16, 2025

New evidence suggests sulfur's role in dinosaur extinction was overstated

Approximately 66 million years ago, the Chicxulub asteroid, estimated to be 10–15 kilometers in diameter, struck the Yucatán Peninsula (in current-day Mexico), creating a 200-kilometer-wide impact crater. This impact triggered ...

Nanophysics Jan 8, 2025

Decoding 2D material growth: White graphene insights open doors to cleaner energy and more efficient electronics

A breakthrough in decoding the growth process of hexagonal boron nitride (hBN), a 2D material, and its nanostructures on metal substrates could pave the way for more efficient electronics, cleaner energy solutions and greener ...

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