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
0
16
Dr. Giordano Mattoni, quantum researcher at TU Delft, and his collaborators have shown that the nano-electronic phase transition in a class of materials known as nickelates can be controlled by laser light. Their findings, ...
Nanophysics
Aug 14, 2018
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146
The list of potential mechanisms that underlie an unusual metal-insulator transition has been narrowed by a team of scientists using a combination of X-ray techniques. This transition has ramifications for material design ...
Condensed Matter
Aug 13, 2015
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21
(Phys.org) —Graphene may command the lion's share of attention but it is not the only material generating buzz in the electronics world. Vanadium dioxide is one of the few known materials that acts like an insulator at ...
Condensed Matter
Oct 18, 2013
0
0
The transistor is the ultimate on-off switch. When a voltage is applied to the surface of a semiconductor, current flows; when the voltage is reversed, current is blocked. Researchers have tried for decades to replicate these ...
Condensed Matter
Feb 8, 2013
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1
Transition metal oxides are known for their interesting properties, including high-temperature superconductivity and resistance that can be tuned with a magnetic field. Researchers have mainly focused on oxides made from ...
General Physics
Dec 7, 2012
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3
Carnegie scientists are the first to discover the conditions under which nickel oxide can turn into an electricity-conducting metal. Nickel oxide is one of the first compounds to be studied for its electronic properties, ...
Condensed Matter
Aug 22, 2012
2
0
Solar cells, light emitting diodes, displays and other electronic devices could get a bump in performance because of a discovery at the Department of Energy's Oak Ridge National Laboratory that establishes new boundaries ...
Materials Science
Feb 21, 2012
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0
(PhysOrg.com) -- The transition-metal monoxide FeO is an archetypal example of a Mott insulator—a material that should conduct electricity under conventional band theories but becomes an insulator when measured, especially ...
Condensed Matter
Jan 30, 2012
2
0
Scientists from the RIKEN Advanced Institute for Computational Science (AICS) in Kobe, Japan, have used the powerful K computer, along with a number of other supercomputers, to perform a large-scale analysis of the behavior ...
Condensed Matter
Mar 21, 2016
0
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