The absolute internal quantum efficiency (IQE) of indium gallium nitride (InGaN) based blue light-emitting diodes (LEDs) at low temperatures is often assumed to be 100%. However, a new study from University of Illinois Urbana-Champaign ...
General Physics
May 27, 2023
0
60
In a new paper published in eLight, a team of scientists led by Professors Haizheng Zhong and Yongyou Zhang from the Beijing Institute of Technology and Professor Haiyan Qin from Zhejiang University have discovered nonlocal ...
Nanophysics
May 22, 2023
0
7
Advanced electronic devices require high-quality materials such as metal halide phosphors that can effectively convert light into measurable signals. Toxic element-free copper-based iodides such as cesium copper iodide (Cs3Cu2I5: ...
Analytical Chemistry
May 19, 2023
0
74
A team of chemists from Tsinghua University and Guangxi Normal University, both in China, has found an organic catalyst that can be used to make chlorine more energy efficiently. In their paper published in the journal Nature, ...
A team of physicists at Nanjing University, attempting to replicate the superconductivity results from an experiment conducted by a team at the University of Rochester, produced the desired material but also found that it ...
New findings from a team of researchers at MIT and elsewhere could help pave the way for new kinds of devices that efficiently bridge the gap between matter and light. These might include computer chips that eliminate inefficiencies ...
Optics & Photonics
May 12, 2023
0
132
Scientists from Jilin University, the Center for High Pressure Science and Technology Advanced Research, and Skoltech have synthesized lanthanum-cerium polyhydride, a material that promises to facilitate studies of near-room-temperature ...
Superconductivity
May 12, 2023
3
344
Smashed on toast, creamed in guacamole or blended into salad dressing, avocados always seem to be popular. However, the fruits are notoriously finicky, going from pale green and firm to brown and mushy in the blink of an ...
Biochemistry
May 11, 2023
0
207
The excitonic insulator is an electronically driven phase of matter that can occur in solids. Scientists are searching for ways to detect and stabilize this exotic order in candidate quantum materials because it could pave ...
Condensed Matter
May 11, 2023
0
27
The National Institute for Materials Science (NIMS) has achieved a tunnel magnetoresistance (TMR) ratio of 631% at room temperature, breaking the previous world record, which had stood for 15 years.
General Physics
May 9, 2023
0
22
