Physicists at Forschungszentrum Jülich have made a significant step towards the realization of new types of electronic components. Using a special four-tip scanning tunneling microscope, they were able to directly measure ...
Quantum Physics
Oct 28, 2021
0
62
Diffraction is a natural property of light beams that allows light to bend around obstacles. Because light serves as a carrier of information, some of the distorting effects of diffraction must be mitigated for many technological ...
Optics & Photonics
Oct 26, 2021
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5
When the COVID-19 pandemic shut down experiments at the Department of Energy's SLAC National Accelerator Laboratory early last year, Shambhu Ghimire's research group was forced to find another way to study an intriguing research ...
Quantum Physics
Oct 22, 2021
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299
Topological insulators conduct electricity in a special way and hold the promise of novel circuits and faster mobile communications. Under the leadership of the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), a research team ...
Quantum Physics
Oct 21, 2021
0
413
Topological insulators are materials whose structure forces photons and electrons to move only along the material's boundary and only in one direction. These particles experience little resistance and travel freely past obstacles ...
Optics & Photonics
Oct 13, 2021
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80
Imagine stacking two sheets of graphene—the 2D form of graphite, or the pencil at your hand—in which the carbon atoms form a hexagonal lattice and twist the top sheet out of alignment with the sheet below, yielding a ...
Nanomaterials
Sep 27, 2021
0
75
Israeli and German researchers have developed a way to force an array of vertical cavity lasers to act together as a single laser—a highly effective laser network the size of a grain of sand. The findings are presented ...
Optics & Photonics
Sep 24, 2021
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612
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
An intrinsic magnetic topological insulator MNBI2TE4 has been discovered with a large band gap, making it a promising material platform for fabricating ultra-low-energy electronics and observing exotic topological phenomena.
Nanophysics
Sep 21, 2021
0
58
A new Monash review throws the spotlight on recent research in heterostructures of topological insulators and magnetic materials.
Quantum Physics
Aug 5, 2021
0
187
