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30 Current news of Columbia Universityrss
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The 2.6nm-long single molecule wire has quasi-metallic properties and shows an unusual increase of conductance as the wire length increases
As our devices get smaller and smaller, the use of molecules as the main components in electronic circuitry is becoming ever more critical. Over the past 10 years, researchers have been trying to use single molecules as conducting wires because of their small scale, distinct electronic ...
New 3D imaging tool reveals engineered and self-assembled nanoparticle lattices with highest resolution yet
From designing new biomaterials to novel photonic devices, new materials built through a process called bottom-up nanofabrication, or self-assembly, are opening up pathways to new technologies with properties tuned at the nanoscale. However, to fully unlock the potential of these new materials, ...
Method combines quantum mechanics with machine learning to accurately predict oxide reactions at high temperatures when no experimental data is available
Extracting metals from oxides at high temperatures is essential not only for producing metals such as steel but also for recycling. Because current extraction processes are very carbon-intensive, emitting large quantities of greenhouse gases, researchers have been exploring new approaches to ...
The device you are currently reading this article on was born from the silicon revolution. To build modern electrical circuits, researchers control silicon’s current-conducting capabilities via doping, which is a process that introduces either negatively charged electrons or positively charged ...
When two atomically thin layers of a material are stacked and twisted slightly on top of one another, they can develop radically different properties. They may become superconducting or even develop magnetic or electronic properties due to the interaction of their two layers. The challenge for ...
Discovery could optimize electrolyte design for stable lithium metal batteries, enabling lightweight, low-cost, long-lasting energy storage
Electric vehicles (EVs) hold great promise for our energy-efficient, sustainable future but among their limitations is the lack of a long-lasting, high energy density battery that reduces the need to fuel up on long-haul trips. The same is true for houses during blackouts and power grid ...
Chemists look to the future of materials design
Scientists at the University of South Carolina and Columbia University have developed a faster way to design and make gas-filtering membranes that could cut greenhouse gas emissions and reduce pollution. Their new method, published in Science Advances, mixes machine learning with synthetic ...
Multi-messenger approach allows to probe electronic and magnetic materials at ultra-small length scales
Researchers at Columbia University and University of California, San Diego, have introduced a novel "multi-messenger" approach to quantum physics that signifies a technological leap in how scientists can explore quantum materials. "We have brought a technique from the inter-galactic scale down to ...
Most synthetic materials, including those in battery electrodes, polymer membranes, and catalysts, degrade over time because they don't have internal repair mechanisms. If you could distribute autonomous microrobots within these materials, then you could use the microrobots to continuously make ...
Carbon Catalogue, breaks down the carbon footprint of a product during its entire life cycle
A Columbia researcher affiliated with the Data Science Institute has created a data-visualization tool that shows the carbon footprints of hundreds of consumer products. The tool makes it easy for everyone to explore the products' carbon-emission levels and the various strategies that companies ...