An international team of scientists collaborating within the Würzburg-Dresden Cluster of Excellence ct.qmat has achieved a breakthrough in quantum research—the first detection of excitons (electrically neutral quasiparticles) ...
Condensed Matter
Jan 10, 2023
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200
In topological insulators, global geometric phases of energy bands determine the existence of unidirectionally propagating edge states, which are immune to local defects, bringing a new stage for designing noise-resilient ...
Optics & Photonics
Oct 12, 2022
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21
Physicists have discovered a material in which atoms are arranged in a way that so frustrates the movement of electrons that they engage in a collective dance where their electronic and magnetic natures appear to both compete ...
Condensed Matter
Sep 14, 2022
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173
Stanene is a topological insulator comprised of atoms typically arranged in a similar pattern to those inside graphene. Stanene films have been found to be promising for the realization of numerous intriguing physics phases, ...
Topological insulators, whose bulky states are prohibited while surface/edge states are conductive and topologically protected. Recent advances in topologically protected edge states have drawn growing attention in the optics ...
Optics & Photonics
May 31, 2022
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11
A collaborative study led by the University of Wollongong confirms switching mechanism for a new, proposed generation of ultra-low energy topological electronics.
Nanophysics
Mar 9, 2022
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11
Tungsten ditelluride (WTe2) is a transition metal dichalcogenide with numerous advantageous properties and characteristics, which makes it an ideal material for a wide range of electronic applications. Past studies have established ...
Three-dimensional topological insulators are materials that can conduct electric current without resistance—but only on their surface. However, this effect is difficult to measure. This is because these materials usually ...
Nanophysics
Sep 21, 2021
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43
The laws of quantum physics rule the microcosm. They determine, for example, how easily electrons move through a crystal and thus whether the material is a metal, a semiconductor or an insulator. Quantum physics may lead ...
Quantum Physics
Jul 16, 2021
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327
In recent years, many material scientists worldwide have been investigating the potential of two-dimensional (2D) materials, which are composed of a single layer or a few ultrathin layers of atoms and have unique physical, ...
