Topological insulators are one of the most exciting discoveries of the 21st century. They can be simply described as materials that conduct electricity on their surface or edge, but are insulating in their interior bulk. ...
Condensed Matter
Apr 18, 2019
0
77
Polymers are regularly used as thermal insulators for everything from keeping beverages hot to keeping sensitive electronics cool. In some cases, polymers can even be used as thermal conductors to enable efficient heating ...
Materials Science
Mar 11, 2019
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24
Under normal electron band theory, Mott insulators ought to conduct electricity, but they do not due to interactions among their electrons. But now, scientists from the RIKEN Cluster for Pioneering Research have shown that ...
General Physics
Mar 4, 2019
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55
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
Insulators that are conducting at their edges hold promise for interesting technological applications. However, until now their characteristics have not been fully understood. Physicists at Goethe University have now modelled ...
Quantum Physics
Jan 16, 2019
4
74
Researchers from Boston College and Brookhaven National Laboratory have succeeded in modifying a cuprate high-temperature superconductor material into an insulating state, where they found an exotic liquid crystal phase.
Superconductivity
Dec 17, 2018
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25
By using an X-ray technique available at the National Synchrotron Light Source II (NSLS-II), scientists found that the metal-insulator transition in the correlated material magnetite is a two-step process. The researchers ...
General Physics
Nov 8, 2018
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16
Graphene Flagship researchers have shown in a paper published in Science Advances how heterostructures built from graphene and topological insulators have strong, proximity induced spin-orbit coupling which can form the basis ...
Nanophysics
Oct 17, 2018
1
32
For the first time, physicists have built a unique topological insulator in which optical and electronic excitations hybridize and flow together. They report their discovery in Nature.
Optics & Photonics
Oct 12, 2018
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455
Electrons tend to avoid one another as they go about their business carrying current. But certain devices, cooled to near zero temperature, can coax these loner particles out of their shells. In extreme cases, electrons will ...
Quantum Physics
Sep 18, 2018
0
224
