By precisely measuring the entropy of a cerium copper gold alloy with baffling electronic properties cooled to nearly absolute zero, physicists in Germany and the United States have gleaned new evidence about the possible ...
Quantum Physics
May 12, 2017
2
807
The measured mass of electrons in solids is always larger than the value predicted by theory. The reason for this is that theoretical calculations do not account properly for various interactions with other electrons or lattice ...
General Physics
May 1, 2017
0
26
The possibilities for the new field of two-dimensional, one-atomic-layer-thick materials, including but not limited to graphene, appear almost limitless. In new research, Penn State material scientists report two discoveries ...
Nanomaterials
May 1, 2017
0
135
A new ultrafast technique, using high-energy electrons coupled to a laser pump, revealed insights into atomic vibrational dynamics in a laser-heated gold thin film. This technique directly measured the phonon spectrum (quantized ...
General Physics
Jan 30, 2017
0
19
A group of European scientists led by researchers at TU Delft has discovered how phase transitions propagate throughout materials called nickelates. The discovery improves our understanding of these novel materials, which ...
Condensed Matter
Jan 16, 2017
0
31
Some materials hold surprising – and possibly useful – properties: neodymium nickel oxide is either a metal or an insulator, depending on its temperature. This characteristic makes the material a potential candidate for ...
Condensed Matter
Oct 11, 2016
0
0
Superconductors are the holy grail of energy efficiency. These mind-boggling materials allow electric current to flow freely without resistance. But that generally only happens at temperatures within a few degrees of absolute ...
Superconductivity
Sep 29, 2016
20
1972
Converting light from one wavelength (or "color") to a shorter wavelength, a process needed for efficient communication and advanced manufacturing, is typically inefficient. To tackle that inefficiency, a team built a specialized, ...
Condensed Matter
Jul 27, 2016
0
14
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
25
There are certain universal patterns in nature that hold true, regardless of objects' size, species, or surroundings. Take, for instance, the branching fractals seen in both tree limbs and blood vessels, or the surprisingly ...
Cell & Microbiology
Jan 5, 2016
2
1674
