Ohm's law is well-known from physics class. It states that the resistance of a conductor and the voltage applied to it determine how much current will flow through the conductor. The electrons in the material—the negatively ...
Nanophysics
Sep 9, 2021
0
765
An international group of researchers has developed a new technique that could be used to make more efficient low-cost light-emitting materials which are flexible and can be printed using ink-jet techniques.
Nanomaterials
Jun 7, 2021
2
1214
Lancaster scientists have demonstrated that other physicists' recent "discovery" of the field effect in superconductors is nothing but hot electrons after all.
Condensed Matter
May 12, 2021
1
169
Ideally, a pigment should be resistant to corrosion under light irradiation—especially to UV radiation. It should also retain its white color in the long term. Today, the industry has already achieved all this with zinc ...
Nanophysics
Mar 24, 2021
0
7
Two-dimensional (2D) semiconductors can host a rich set of excitonic species because of the greatly enhanced Coulomb interactions. The excitonic states can exhibit large oscillator strengths and strong light-matter interactions, ...
Optics & Photonics
Mar 11, 2021
0
11
A Russian physicist and his international colleagues studied a quantum point contact (QCP) between two conductors with external oscillating fields applied to the contact. They found that, for some types of contacts, an increase ...
Quantum Physics
Feb 11, 2021
0
5
Multiple-cation and mixed-halide (FAMACs) perovskites, which are formed by incorporating Cs/MA/Br ions into the FAPbI3 perovskites, are considered as the best compositions for applications in high-efficiency photovoltaic ...
Materials Science
Feb 10, 2021
1
27
A team of researchers from the Technical University of Munich, the Walther-Meissner-Institute of the Bavarian Academy of Sciences and Humanities, and the Norwegian University of Science and Technology in Trondheim has discovered ...
General Physics
Dec 16, 2020
0
71
Silicon single-electron/hole transistors (SETs/SHTs) and super-high frequency nanoelectromechanical resonators show great potential in quantum computation, sensing and many other areas.
Nanophysics
Dec 15, 2020
0
10
The group of so-called metal halide perovskites as materials has revolutionized the field of photovoltaics in recent years. Generally speaking, metal halide perovskites are crystalline materials that follow the structure ...
Materials Science
Dec 4, 2020
0
5
