(PhysOrg.com) -- Scientists have known for generations that hot water can sometimes freeze faster than cold, an effect known as the Mpemba effect, but until now have not understood why. Several theories have been proposed, ...
Spanish and U.S. physicists studying nanoelectronics have found that size really does matter when it comes to predicting the behavior of electrical contacts that are just one atom wide.
General Physics
Apr 29, 2009
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0
A team of physicists at the University of Cologne has solved a long-standing problem of condensed matter physics: they have directly observed the Kondo effect (the re-grouping of electrons in a metal caused by magnetic impurities) ...
Condensed Matter
Nov 15, 2023
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29
Researchers from Monash University have unlocked fresh insights into the behavior of quantum impurities within materials.
Condensed Matter
Oct 16, 2023
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64
Organic light-emitting diodes (OLEDs) are now widely used. For use in displays, blue OLEDs are additionally required to supplement the primary colors red and green. Especially in blue OLEDs, impurities give rise to strong ...
Polymers
Jul 25, 2023
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51
A group of researchers led by Cornell is unlocking the full potential of aluminum nitride—an important material for the advancement of electronics and photonics—thanks to the development of a surface cleaning technique ...
Materials Science
Oct 5, 2022
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132
Perovskite solar cells have been the subject of much research as the next generation of photovoltaic devices. However, many challenges remain to be overcome for the practical application. One of them concerns the hole transport ...
Analytical Chemistry
Sep 19, 2022
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37
A lot of heat gets lost during the conversion of energy. Estimates even put it at more than 70%. However, in thermoelectric materials, such as those being studied at the Institute of Solid State Physics at TU Wien, heat can ...
Condensed Matter
Jul 5, 2022
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775
Most people are not aware of magnetic forces in their everyday lives, but continuously rely on them in electric motors, hard drives, and electric sensors. In the race to develop smaller electronic components, quantum mechanisms ...
Quantum Physics
May 31, 2022
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94
Future fusion reactors have a conundrum: maintain a plasma core that is hotter than the surface of the sun without melting the walls that contain the plasma. Fusion scientists refer to this challenge as "core-edge integration." ...
Plasma Physics
Nov 8, 2021
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