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140 Current news about the topic crystals

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How to Freeze Heat Conduction

25-Feb-2019

Physicists have discovered a new effect, which makes it possible to create excellent thermal insulators which conduct electricity. Such materials can be used to convert waste heat into electrical energy. Every day we lose valuable energy in the form of waste heat - in technical devices at home, ...

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Finally available in a bottle

Researchers succeed in gaining access to an important chemical compound

11-Feb-2019

Since the discovery of the first homoleptic metal carbonyl complex Ni(CO)4 more than 130 years ago, scientists try to obtain further such compounds formed from a carbon monoxide molecule and a metal that are important for basic research as well as applications. The last new compound of this type ...

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Combining 3D printing and metals science leads to stronger, crystal-inspired materials

24-Jan-2019

Imperial materials scientists have created new artificial materials which combine our knowledge of metals with 3D printing. The findings could speed up the use of 3D printed materials in everything from construction and vehicles to medical devices. 3D printing is often used to produce engineering ...

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Green catalysts with Earth-abundant metals accelerate production of bio-based plastic

How crystalline structure can affect the performance of MnO2 catalysts

10-Jan-2019

Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed and analyzed a novel catalyst for the oxidation of 5-hydroxymethyl furfural, which is crucial for generating new raw materials that replace the classic non-renewable ones used for making many plastics. It should be no ...

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How a crystal is solvated in water

The solvation process is of fundamental importance for chemistry – but is very difficult to observe

22-Nov-2018

How a molecule from a solid crystal structure is solvated in a liquid solvent has been observed at a molecular level for the first time by chemists at Ruhr-Universität Bochum. The process is too fast to decipher at room temperature. The team from the Ruhr Explores Solvation (Resolv) Cluster of ...

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Bending light around tight corners without backscattering losses

Photonic crystal waveguide paves the way to build futuristic light-based computers

21-Nov-2018

Engineers at Duke University have demonstrated a device that can direct photons of light around sharp corners with virtually no losses due to backscattering, a key property that will be needed if electronics are ever to be replaced with light-based devices. The result was achieved with photonic ...

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Producing defectless metal crystals of unprecedented size

A new method to obtain large single crystals up to 32 square centimeters

22-Oct-2018

A research group at the Center for Multidimensional Carbon Materials, within the Institute for Basic Science (IBS), have published a new method to convert inexpensive polycrystalline metal foils to single crystals with superior properties. It is expected that these materials will find many uses ...

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The gods of small things

Heterometallic copper-aluminum super atom discovered

27-Sep-2018

On the outside, the cluster made of 55 copper and aluminum atoms looks like a crystal, but chemically it has the properties of an atom. The heterometallic superatom which chemists of the Technical University of Munich (TUM) have created provides the prerequisites for developing new, more ...

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Watching atoms and electrons at work

03-Sep-2018

The properties of materials are determined by their atomic structure. If atoms and electrons change their positions, then the characteristics of a material also change. The complex processes that occur during these changes are being investigated by a working group at Kiel University (CAU), using ...

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Watching two-dimensional materials grow

30-Aug-2018

Atomically thin crystals will play an ever greater role in future – but how can their crystallisation process be controlled? A new method is now opening up new possibilities. They are among the thinnest structures on earth: “two dimensional materials” are crystals which consist of only one or a ...

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