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Soil Carbon Sinks, Coral Adaptation, Earth's Oxygen History, and More in the Environmental Science News Source

The latest research on the environment in the Environmental Science News Source

Science

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Germanium, MICA, van der Waals, Epitaxy, Semiconductor, Thin Film, Aaron J. Littlejohn, Yu Xiang, Elma Rauch, Toh-Ming Lu, Gwo-Ching Wang, Rensselaer Polytechnic Institute, Journal of Applied Physics

Strain-Free Epitaxy of Germanium Film on Mica

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Germanium was the material of choice in the early history of electronic devices, and due to its high charge carrier mobility, it’s making a comeback. It’s generally grown on expensive single-crystal substrates, adding another challenge to making it sustainably viable for most applications. To address this aspect, researchers demonstrate an epitaxy method that incorporates van der Waals’ forces to grow germanium on mica. They discuss their work in the Journal of Applied Physics.

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SLAC National Accelerator Laboratory, Meteor, Silica, Science, Ultrafast, X-ray science, lightsource, LCLS , Linac Coherent Light Source

Scientists Make First Observations of How a Meteor-Like Shock Turns Silica Into Glass

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Studies at the Department of Energy’s SLAC National Accelerator Laboratory have made the first real-time observations of how silica – an abundant material in the Earth’s crust – easily transforms into a dense glass when hit with a massive shock wave like one generated from a meteor impact.

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Germanium, Semiconductor, Epitaxy, Electronics, Silicon, Rensselaer

New Deposition Technique Puts the Heat on Silicon

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Research offers cost-effective development of germanium, more efficient semiconductor than silicon

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Material Science, material sciences, Materials Science, Materials Science & Engineering, materials science engineering, Nature Communication, Nature Communications, Materials, 2-D materials, 2-D, Molecular Foundry, LBNL, Berkeley Lab, Lawrence Berekely National Laboratory, University Of California At Berkeley, Thin Film, Thin Films, Films, tungsten diseleni

Stretching to Perfection of 2-D Semiconductors

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Scientists use heat and mismatched surfaces to stretch films that can potentially improve the efficient operation of devices.

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Material Science, material sciences, Materials Science, Materials Science & Engineering, materials science engineering, materials sciences, Physical Review Letters , University Of Chicago, Argonne National Laboratory, Argonne Nat'l Laboratory, ANL, quantum materials, Diamond, diamond defects, Quantum Computer, Quantum Computers, Quantum Computing, Qubits, Q

Simple is Beautiful in Quantum Computing

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Defect spins in diamond were controlled with a simpler, geometric method, leading to faster computing.

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Health, Technology

Kevlar-Based Artificial Cartilage Mimics the Magic of the Real Thing

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The unparalleled liquid strength of cartilage, which is about 80 percent water, withstands some of the toughest forces on our bodies

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Neutrons, Photosynthesis, Cyanobacteria, phycobilisomes, High Flux Isotope Reactor

Cyanobacterial Studies Examine Cellular Structure During Nitrogen Starvation

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Researchers from Washington University in St. Louis and ORNL are using neutrons to study what happens when cyanobacteria cell samples are starved for nitrogen. They are especially interested in how this process affects phycobilisomes, large antenna protein complexes in the cells that harvest light for photosynthesis.

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Solar Power, Electricity, Desalination, Chemistry

UCI Chemists’ Solar-Powered Device Generates Electricity Through Ion Transport

By binding photosensitive dyes to common plastic membranes and adding water, chemists at the University of California, Irvine have made a new type of solar power generator. The device is similar to familiar silicon photovoltaic cells but differs in a fundamental way: Instead of being produced via electrons, its electricity comes from the motion of ions.

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Berkeley, Lawrence Berkeley National Laboratory, LBNL, Berkeley Lab, Advanced Light Source, ALS, X-rays, X-Ray, micro tomography, Synchrotron, Light Source, Coral, Coral Reef Fish, parrotfish, fish, Materials Science, Biology, Biomineralization, biominerals

X-Rays Reveal the Biting Truth About Parrotfish Teeth

A new study has revealed a chain mail-like woven microstructure that gives parrotfish teeth their remarkable ability to chomp on coral all day long – the structure could serve as a blueprint for designing ultra-durable synthetic materials.







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