All-inorganic lead-free luminescent metal halide nanocrystals (NCs) are very important in optoelectronics, but their applications are limited by the low photoluminescence (PL) efficiency. It is an effective approach via ns2-metal ...
Nanomaterials
May 19, 2022
0
9
When atoms interact with each other, they behave as a whole rather than individual entities. That can give rise to synchronized responses to inputs, a phenomenon that, if properly understood and controlled, may prove useful ...
Optics & Photonics
May 18, 2022
0
236
Physicists at the University of California, Irvine have demonstrated the use of a hydrogen molecule as a quantum sensor in a terahertz laser-equipped scanning tunneling microscope, a technique that can measure the chemical ...
Quantum Physics
Apr 22, 2022
2
2851
Rydberg atoms are excited atoms that contain one or more electrons with a high principal quantum number. Due to their large size, long-range dipole-dipole interactions and strong coupling to external fields, these atoms have ...
In synthetic organic chemistry, so-called cycloadditions are a particularly important class of reactions. With this type of reaction, ring-shaped molecules can be constructed simply and efficiently by joining ("adding") two ...
Materials Science
Mar 23, 2022
0
102
Our spatial sense doesn't extend beyond the familiar three dimensions, but that doesn't stop scientists from playing with whatever lies beyond.
Quantum Physics
Feb 21, 2022
0
3352
Supersymmetry is symmetry of nature that is often hypothesized to exist among elementary particles. In a new paper that appeared in Physical Review Letters this week, physicists from the University of Amsterdam and QuSoft ...
Quantum Physics
Feb 7, 2022
0
375
Light-emitting diodes (LEDs) are commonly used in the electronic displays in our TVs, smartphones, and other devices; now, researchers at the Institute of Chemical Reaction Design and Discovery (ICReDD) at Hokkaido University ...
Materials Science
Jan 18, 2022
0
111
Lanthanide (Ln3+)-doped upconversion (UC) nanocrystals (NCs) have attracted considerable interest due to their superior optical features. Unfortunately, the relatively low luminescence intensity is a major drawback that seriously ...
Materials Science
Jan 11, 2022
0
59
JILA researchers have tricked nature by tuning a dense quantum gas of atoms to make a congested "Fermi sea," thus keeping atoms in a high-energy state, or excited, for about 10% longer than usual by delaying their normal ...
General Physics
Nov 18, 2021
0
329
