The two-dimensional physical properties of semiconductor materials depend keenly on a number of factors, such as material purity, surface orientation, flatness, surface reconstruction, charge carrier polarity, and temperature. ...
Quantum Physics
Sep 2, 2015
0
1110
In a paper that crystalizes knowledge from a variety of experiments and theoretical developments, scientists from the RIKEN Center for Emergent Matter Science in Japan have demonstrated that the quantum spin Hall effect—an ...
General Physics
Jun 25, 2015
4
204
Researchers from the RIKEN Center for Emergent Matter Science in Japan have uncovered the first evidence of an unusual quantum phenomenon—the integer quantum Hall effect—in a new type of film, called a 3D topological ...
General Physics
Apr 14, 2015
2
677
An experiment conducted by Princeton researchers has revealed an unlikely behavior in a class of materials called frustrated magnets, addressing a long-debated question about the nature of these discontented quantum materials.
Quantum Physics
Apr 3, 2015
30
1007
Physicists of Utrecht University and their French colleagues have theorized the 'holy grail' of material science. It's a material that should exhibit a unique combination of the exceptional electronic properties of graphene ...
Condensed Matter
Mar 11, 2015
0
91
Scientists used supercomputers to find a new class of materials that possess an exotic state of matter known as the quantum spin Hall effect. The researchers published their results in the journal Science in December 2014, ...
Quantum Physics
Feb 12, 2015
0
1317
Topology, a branch of mathematics classifying geometric objects, has been exploited by physicists to predict and describe unusual quantum phases: the topological states of matter. These intriguing phases, generally accessible ...
General Physics
Jan 8, 2015
2
87
The Hall effect, discovered in 1879, is observable when a Hall voltage perpendicular to the current is produced across a conductor under a magnetic field. Although the Hall effect was discovered in a sheet of gold leaf by ...
Quantum Physics
Jan 6, 2015
0
60
(Phys.org) —Researches have uncovered "smoking-gun" evidence to confirm the workings of an emerging class of materials that could make possible "spintronic" devices and practical quantum computers far more powerful than ...
General Physics
Nov 13, 2014
4
2
Every electrical device, from a simple lightbulb to the latest microchips, is enabled by the movement of electrical charge, or current. The nascent field of 'spintronics' taps into a different electronic attribute, an intrinsic ...
General Physics
Oct 21, 2014
0
3
