When exposed to stress and strain, materials can display a wide range of different properties. By using sound waves, scientists have begun to explore fundamental stress behaviors in a crystalline material that could form ...
Condensed Matter
Sep 24, 2019
0
1585
Every type of atom in the universe has a unique fingerprint: It only absorbs or emits light at the particular energies that match the allowed orbits of its electrons. That fingerprint enables scientists to identify an atom ...
Quantum Physics
Jul 4, 2019
19
12
Researchers in China and at UC Davis have measured high conductivity in very thin layers of niobium arsenide, a type of material called a Weyl semimetal. The material has about three times the conductivity of copper at room ...
Condensed Matter
Mar 18, 2019
0
85
Capacitors, given their high energy output and recharging speed, could play a major role in powering the machines of the future, from electric cars to cell phones.
General Physics
Mar 4, 2019
0
104
For the last decade, scientists have been making giant leaps in their ability to build and control systems based on the bizarre rules of quantum mechanics, which describe the behavior of particles at the subatomic scale.
Quantum Physics
Nov 22, 2018
7
369
In a marriage of quantum science and solid-state physics, researchers at the National Institute of Standards and Technology (NIST) have used magnetic fields to confine groups of electrons to a series of concentric rings within ...
General Physics
Aug 23, 2018
2
455
Scientists have shown how an optical chip can simulate the motion of atoms within molecules at the quantum level, which could lead to better ways of creating chemicals for use as pharmaceuticals.
Quantum Physics
May 30, 2018
1
334
For quantum dot (QD) materials to perform well in devices such as solar cells, the nanoscale crystals in them need to pack together tightly so that electrons can hop easily from one dot to the next and flow out as current. ...
Nanophysics
Jan 25, 2018
5
208
When a ballerina pirouettes, twirling a full revolution, she looks just as she did when she started. But for electrons and other subatomic particles, which follow the rules of quantum theory, that's not necessarily so. When ...
Quantum Physics
May 25, 2017
2
1958
New research offers insights into how crystal dislocations—a common type of defect in materials—can affect electrical and heat transport through crystals, at a microscopic, quantum mechanical level.
Nanophysics
Mar 15, 2017
0
867
