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Dolomite

All articles tagged with #dolomite

science29 days ago•6 min saved

Lab Breakthrough Grows Dolomite, Solving a 200-Year Mineral Mystery

Scientists finally managed to grow dolomite in the lab after 32 straight failed attempts spanning two centuries. The breakthrough came from a hybrid approach that combined computational modeling of atomic arrangements with an in-situ technique that uses a pulsed electron beam to remove defects under fluctuating supersaturation. This enabled the controlled growth of about 300 dolomite layers (roughly 100 nanometers), solving the long-standing “dolomite problem” and potentially enabling dolomite-based advances in cement, batteries, semiconductors, and solar panels.

via Indian Defence Review|

#crystallography #dolomite #electron-microscopy

science1 month ago•7 min saved

Dolomite Mystery Cracked: Lab-Grown Crystals Form by Dissolving Defects

Researchers from the University of Michigan and Hokkaido University have solved the two-century Dolomite Problem by showing that dolomite growth is defect-limited and those defects can be dissolved away, mimicking natural weathering. Using atomic-scale simulations and pulsed electron-beam dissolution, they grew dolomite to about 100 nanometers (roughly 300 layers), a dramatic advance from previous attempts. This breakthrough not only explains dolomite abundance in ancient rocks but also offers a new approach to defect-free crystal growth for modern technologies like semiconductors, solar cells, and batteries.

via ScienceDaily|

#crystal-growth #dolomite #electron-microscopy

science-and-technology2 years ago•4 min saved

"Electron Beam Assists in Solving Centuries-Old Geological Mystery with Crystal Growth"

Scientists have finally solved the "Dolomite Problem" that has puzzled researchers for 200 years. Dolomite, a mineral found in ancient rock formations, has resisted attempts to grow it in the lab. However, a team of scientists has now successfully grown dolomite crystals by using an electron beam to dissolve and then saturate the crystal. This breakthrough not only solves a long-standing geological mystery but also has potential applications in manufacturing defect-free materials for semiconductors, solar panels, and batteries.

via IFLScience|

#crystals #dolomite #electron-beam

science-and-technology2 years ago•4 min saved

Advancements in Dolomite Growth: Dissolving Defects for Successful Lab Cultivation

Scientists have successfully grown dolomite in the lab for the first time by dissolving structural defects during growth. Dolomite, a key mineral found in various geological formations, has been a challenge to grow in the lab due to the formation of defects that hinder its growth. By removing these defects, researchers were able to simulate dolomite growth over geologic timescales. The findings have implications for the production of high-quality materials in fields such as semiconductors, solar panels, and batteries.

via Phys.org|

#crystal-growth #dolomite #geology