Scientists at the U.S. Department of Energy's Ames Laboratory have discovered a means of controlling the surface conductivity of a three-dimensional (3-D) topological insulator, a type of material that has potential applications ...
General Physics
Feb 15, 2019
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86
Fashion is changing in the avant-garde world of next-generation computer component materials. Traditional semiconductors like silicon are releasing their last new lines. Exotic materials called topological insulators (TIs) ...
General Physics
Oct 31, 2016
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437
In a new study, scientists have observed long-lived excitons in a topological material, opening intriguing new research directions for optoelectronics and quantum computing.
Condensed Matter
Apr 25, 2023
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135
(Phys.org) -- Researchers at the University of Maryland and the NIST Center for Nanoscale Science and Technology have for the first time experimentally demonstrated surface-only charge conduction in a topological insulator ...
Nanophysics
Jul 12, 2012
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1
Researchers at Chalmers University of Technology have discovered that the insulation plastic used in high-voltage cables can withstand a 26 per cent higher voltage if nanometer-sized carbon balls are added. This could result ...
Nanomaterials
Jan 27, 2015
1
59
Panasonic today announced the development of a high power Gallium Nitride (GaN) transistor for long-distance communication at millimeter-wave frequencies. A 25GHz wireless transceiver is fabricated using the GaN transistor. ...
Electronics & Semiconductors
Jul 23, 2010
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0
(PhysOrg.com) -- Cornell researcher Derek Stewart and collaborators have calculated the exact mechanism by which diamond conducts heat, a breakthrough that could lend insight into many fields, including electronics.
Condensed Matter
Sep 22, 2009
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0
An anomalous Floquet topological insulator (AFTI) is a periodically driven topological insulator (TI with nonzero winding numbers to support topological edge modes, though its standard topological invariants like Chern numbers ...
Optics & Photonics
Dec 7, 2023
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59
(PhysOrg.com) -- Chemical compounds called manganites have been studied for many years since the discovery of colossal magnetoresistance, a property that promises important applications in the fields of magnetic sensors, ...
Condensed Matter
Feb 9, 2011
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0
In recent years, topological insulators have become one of the hottest topics in physics. These new materials act as both insulators and conductors, with their interior preventing the flow of electrical currents while their ...
Nanophysics
Feb 14, 2011
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0
