A group of researchers from Pisa, Jyväskylä, San Sebastian and MIT have demonstrated how a heterostructure consisting of superconductors and magnets can be used to create unidirectional current like that found in semiconductor ...
Superconductivity
May 11, 2022
0
854
In 2020, Prof. Teruo Ono and his colleagues at Kyoto University reported the very first observation of a magnetically controllable, superconducting diode effect in an artificial superlattice. Their findings, published in ...
Indium gallium nitride (InGaN)-based, blue-light-emitting diodes are the backbone of solid-state lighting (SSL). Unfortunately, their efficiency peaks under low current densities (
Optics & Photonics
Jan 13, 2022
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13
Chaos, often popularized as the 'butterfly effect', describes the irregular phenomenon of deterministic systems. Based on the unique features of sensitivity to initial conditions and unpredictability of future evolutions, ...
Optics & Photonics
Jan 4, 2022
0
6
Researchers from the Universities of Bonn and Regensburg move packets of energy along a molecular ladder made of hundreds of benzene rings. Such polymers can potentially be used to design new displays based on organic light-emitting ...
Polymers
Nov 17, 2021
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50
Researchers from North Carolina State University have developed a new process that makes use of existing industry standard techniques for making III-nitride semiconductor materials, but results in layered materials that will ...
General Physics
Oct 25, 2021
0
51
Perovskite solar cells are in many ways already as efficient as conventional crystalline silicon-based solar cells; perovskite has the added benefit of being much more cost-effective than its silicon counterpart. Perovskites ...
Condensed Matter
Sep 27, 2021
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30
In a new review article in Nature Photonics, scientists from Los Alamos National Laboratory assess the status of research into colloidal quantum dot lasers with a focus on prospective electrically pumped devices, or laser ...
Optics & Photonics
Sep 2, 2021
2
308
The effective control of heat transfer is important in improving energy efficiency. The thermal diode is one of the key elements of heat flow control. Like the current rectification effect found in electronic diodes, heat ...
Materials Science
Aug 2, 2021
0
85
The ability to precisely control the various properties of laser light is critical to much of the technology that we use today, from commercial virtual reality (VR) headsets to microscopic imaging for biomedical research. ...
Optics & Photonics
Jun 29, 2021
0
225
