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The marriage of topology and magnetism in a Weyl system

06-Aug-2018

Topology is a global aspect of materials, leading to fundamental new properties for compounds with large relativistic effects. The incorporation of heavy elements give rise to non-trivial topological phases of matter, such as topological insulators, Dirac and Weyl semimetals. The semimetals are ...

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Surprise from the jungle soil

Soil microorganisms in the Amazon rainforest can affect atmospheric chemistry

01-Aug-2018

The Amazon rainforest is the largest forest on earth. Its trees emit huge amounts of volatile substances that influence the chemical composition of the air. Some of these substances are the so-called sesquiterpenes, very reactive chemicals that can rapidly consume ozone. Until recently scientists ...

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What happens in a solar cell when the lights go out?

27-Jul-2018

What happens in a solar cell when the lights go out depends heavily on the material being used. In conventional silicon solar cells the answer is quite simple: the electrical current produced by the cell immediately goes to zero. It is different in so-called perovskite solar cells where the cell ...

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Wendelstein 7-X achieves world record

Stellarator record for fusion product

27-Jun-2018

In the past experimentation round Wendelstein 7-X achieved higher temperatures and densities of the plasma, longer pulses and the stellarator world record for the fusion product. Moreover, first confirmation for the optimisation concept on which Wendelstein 7-X is based, was obtained. Wendelstein ...

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Light-induced superconductivity under high pressure

14-May-2018

A team of scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg investigated optically-induced superconductivity in the alkali-doped fulleride K3C60under high external pressures. This study allowed, on one ...

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Oxygen: A blessing and a curse for nanostructured alloying

02-May-2018

Severe plastic deformation and powder processing techniques are used to produce nanostructured materials with tailor-made compositions and without the effort of precasting. They allow the production of novel metallic nanocrystalline materials by mechanically alloying immiscible elements. Oxide ...

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Molecules Brilliantly Illuminated

25-Apr-2018

Molecules are the building blocks of life. Like all other organisms, we are made of them. They control our biorhythm, and they can also reflect our state of health. Researchers at the Laboratory for Attosecond Physics (LAP) – a joint venture between Ludwig-Maximilians-Universität (LMU) and the ...

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OLED: Nanometer-thin layer improves efficiency

15-Mar-2018

Scientists at the Max Planck Institute for Polymer Research in Mainz, Germany, have received an unexpected result: They have discovered a new method to improve contacts in OLEDs. This new approach leads to a higher energy efficiency and can be used in almost any organic semiconductor element. ...

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A Keen Sense for Molecules

27-Feb-2018

Laser physicists from the Laboratory of Attosecond Physics at the Ludwig-Maximilians-Universität and the Max Planck Institute of Quantum Optics have developed an extremely powerful broadband infrared light source. This light source opens up a whole new range of opportunities in medicine, life ...

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Atomic Design by Water

How geometric structures at surfaces can be formed with atomic precision by water

26-Feb-2018

A central element in such diverse technological problems as corrosion protection, battery materials or hydrogen production via electrolysis or fuel cells is the contact between two conducting elements – the electrolyte and the solid electrode at which a voltage is applied. Despite its importance ...

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