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Lossless conduction at the edges

Atomically thin layers of the semimetal tungsten ditelluride conduct electricity losslessly along narrow, one-dimensional channels at the crystal edges. The material is therefore a second-order topological insulator.

May 26th, 2020

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Understanding ceramic materials' 'mortar' may reveal ways to improve them

New research shows that in the important ceramic material silicon carbide, carbon atoms collect at those grain boundaries when the material is exposed to radiation. The finding could help engineers better understand the properties of ceramics and could aid in fine-tuning a new generation of ceramic materials.

May 25th, 2020

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Microbial cyborgs: Bacteria supplying power

One day, 'microbial cyborgs' might be used in fuel cells, biosensors, or bioreactors. Scientists have created the necessary prerequisite by developing a programmable, biohybrid system consisting of a nanocomposite and the Shewanella oneidensis bacterium that produces electrons.

May 25th, 2020

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Oriented hexagonal boron nitride foster new type of information carrier

A novel alternative to current computers is to utilize the wave quantum number of the electrons by which the information encoding is possible without physically moving the carriers. This study shows that manipulation of the wave quantum number is possible by controlling the stacking configuration and the orientation of different two-dimensional materials.

May 22nd, 2020

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