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137 Current news about the topic crystalsrss
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How crystalline structure can affect the performance of MnO2 catalysts
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 ...
The solvation process is of fundamental importance for chemistry – but is very difficult to observe
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 ...
Photonic crystal waveguide paves the way to build futuristic light-based computers
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 ...
A new method to obtain large single crystals up to 32 square centimeters
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 ...
Heterometallic copper-aluminum super atom discovered
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 ...
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 ...
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 ...
Scientists can spend a long time in heated debates over tiny details – for example, how and whether atoms in a crystal move when heated, thereby altering the symmetry. Using computer simulations for the mineral lead telluride on the CSCS supercomputer “Piz Daint”, ETH researchers have resolved a ...
They are especially good photocatalysts for the production of hydrogen by splitting water with solar energy: covalent organic frameworks based on triazines. For this application, the frameworks need to be in a nice regular crystalline form. In the journal Angewandte Chemie, scientists have now ...
As a solution evaporates, the dissolved chemicals concentrate until they begin forming a crystal through a process called nucleation. Industries that use small crystals in pharmaceuticals, food and microelectronics are seeking to understanding this nucleation event. Scientists studying nucleation ...