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155 Current news about the topic electrons

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A long-distance relationship in femtoseconds

Physicists observe how electron-hole pairs drift apart at ultrafast speed, but still remain strongly bound

15-Apr-2019

Modern electronics relies on ultrafast charge motion on ever shorter length scales. Physicists from Regensburg and Gothenburg have now succeeded in resolving a key quantum motion of electrons in atomically thin crystals on the time scale of a single oscillation cycle of light. They directly ...

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Let’s not make big waves

A team of researchers generates ultra-short spin waves in an astoundingly simple material

29-Mar-2019

Due to its potential to make computers faster and smartphones more efficient, spintronics is considered a promising concept for the future of electronics. In a collaboration including the Max Planck Institute for Intelligent Systems (MPI-IS) and the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), a ...

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Bacteria could become a future source of electricity

28-Mar-2019

In recent years, researchers have tried to capture the electrical current that bacteria generate through their own metabolism. So far, however, the transfer of the current from the bacteria to a receiving electrode has not been efficient at all. Now, researchers from institutions including Lund ...

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Physicists watch electron transfer in a single molecule

15-Feb-2019

The building blocks of matter surrounding us are atoms and molecules. The properties of that matter, however, are often not set by these building blocks directly, but rather by their mutual interactions, which are governed by their outer electron shells. Many chemical processes are based on the ...

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Self-assembling nanomaterial a pathway to more efficient, affordable harnessing of solar power

Singlet fission reaction creates more and extends the life of electronic charges

28-Jan-2019

Solar rays are a plentiful, clean source of energy that is becoming increasingly important as the world works to shift away from power sources that contribute to global warming. But current methods of harvesting solar charges are expensive and inefficient--with a theoretical efficiency limit of ...

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New water splitting catalyst could make it easier to generate solar fuel

28-Jan-2019

Water splitting, the process of harvesting solar energy to generate energy-dense fuels, could be simplified thanks to new research including faculty at Binghamton University, State University of New York. "The key idea is to generate a solar fuel: hydrogen gas, which can be burnt to release ...

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New light shed on intensely studied material

21-Jan-2019

The organic polymer PEDOT is probably one of the world's most intensely studied materials. Despite this, researchers at Linköping University have now demonstrated that the material functions in a completely different manner than previously believed. The result has huge significance in many fields ...

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Quantum Tricks to Unveil the Secrets of Topological Materials

02-Jan-2019

"Topological materials" are very interesting for technology, but difficult to study. TU Wien (Vienna) and the University of Science and Technology in China are presenting new approaches. Electrons are not just little spheres, bouncing through a material like a rubber ball. The laws of quantum ...

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One of the world's fastest cameras films motion of electrons

Research team examines ultrafast conversion of light energy in a solid

24-Dec-2018

During the conversion of light into electricity, such as in solar cells, a large part of the input light energy is lost. This is due to the behaviour of electrons inside of materials. If light hits a material, it stimulates electrons energetically for a fraction of a second, before they pass the ...

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Electrons use the zebra crossing

Exotic Patterns of interacting electrons at the metal-insulator transition

20-Dec-2018

Since high school we know that matter appears in three different phases (solid, liquid, gas); yet the microscopic details about the transformation from one state to the other puzzles physicists until now. An international team of scientists led by Prof. Martin Dressel from the Institute of ...

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