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6 Current news about the topic topological materials

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Laser pulses create topological state in graphene

08-Nov-2019

Discovering ways to control the topological aspects of quantum materials is an important research frontier because it can lead to desirable electrical and spin transport properties for future device technologies. Now MPSD (Max Planck Institute for the Structure and Dynamics of Matter) scientists ...

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Speeding up the hydrogen production by the magic topological surface states

29-Aug-2019

Water electrolysis could provide high-quality hydrogen gas that can be used in fuel cells directly. However, since noble metals, such as platinum and iridium, are currently needed to initiate such a reaction, the cost is very high. "Obviously, catalysts that are low-cost with high-activity are ...

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Imaging conducting edges in a promising 2D material

Study on monolayer tungsten ditelluride could lead to more energy-efficient electronic devices

12-Feb-2019

A research team comprised of scientists at the University of California, Riverside, and the University of Washington has for the first time directly imaged "edge conduction" in monolayer tungsten ditelluride, or WTe2, a newly discovered 2-D topological insulator and quantum material. The research ...

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Quantum Tricks to Unveil the Secrets of Topological Materials

02-Jan-2019

"Topological materials" are very interesting for technology, but difficult to study. TU Wien (Vienna) and the University of Science and Technology in China are presenting new approaches. Electrons are not just little spheres, bouncing through a material like a rubber ball. The laws of quantum ...

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Bismuth shows novel conducting properties

17-Sep-2018

Topological insulators are materials that insulate on the inside but conduct electrical current on their surface. The current flow without resistance and respond in unconventional ways to electric and magnetic fields. These unique properties are studied with real interest towards future ...

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The marriage of topology and magnetism in a Weyl system

06-Aug-2018

Topology is a global aspect of materials, leading to fundamental new properties for compounds with large relativistic effects. The incorporation of heavy elements give rise to non-trivial topological phases of matter, such as topological insulators, Dirac and Weyl semimetals. The semimetals are ...

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