When you make conducting wires thinner, their electrical resistance goes up. This is Ohm's law, and it is generally right. An important exception is at very low temperatures, where the mobility of electrons increases when ...
Condensed Matter
Sep 23, 2022
0
809
Whether looking out into space or peering deep into the microscopic realm, there is always more to see. In the case of solids, there is a world of atoms and particles teeming with activity that ultimately leads to useful ...
Quantum Physics
Sep 15, 2022
0
343
Topological materials that possess certain atomic-level symmetries, including topological insulators and topological semi-metals, have elicited fascination among many condensed matter scientists because of their complex electronic ...
Condensed Matter
Sep 12, 2022
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420
Tungsten di-telluride (WTe2) has recently proven to be a promising material for the realization of topological states. These are regarded as the key to novel "spintronic" devices and quantum computers of the future due to ...
Nanophysics
Aug 25, 2022
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29
A new, multi-node FLEET review, published in Matter, investigates the search for Majorana fermions in iron-based superconductors.
Superconductivity
Jun 22, 2022
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89
Researchers at Northeastern have discovered a new quantum phenomenon in a specific class of materials, called antiferromagnetic insulators, that could yield new ways of powering "spintronic" and other technological devices ...
Quantum Physics
May 20, 2022
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564
Very thin wires made of a topological insulator could enable highly stable qubits, the building blocks of future quantum computers. Scientists see a new result in topological insulator devices as an important step towards ...
Nanophysics
May 12, 2022
0
189
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
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
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
0
43
