Gelatin is used in the pharmaceutical industry to encapsulate active agents. It protects against oxidation and overly quick release. Nanopores in the material have a significant influence on this, yet they are difficult to investigate. In experiments on gummy bears, researchers have now transferred a methodology to determine the free volume of gelatin preparations.
Magnetic vortices in thin films can encode information in the perpendicular magnetization pointing up or down relative to the vortex core. These binary states could be useful for non-volatile data storage devices such as RAM memories, but the switching between them must be fast and energy-efficient.
Integrating quantum light sources e.g. single quantum dot / single atom, into specially designed nanofibers holds the potential to revolutionize distributed quantum networks for secure, ultra-high speed communication.
In certain materials where the electrons are constrained in a quasi one-dimensional world, they appear to split into a magnet and an electrical charge, which can move freely and independently of each other. A longstanding question has been whether or not similar phenomenon can happen in more than one dimension. Researchers have uncovered new evidence showing that this can happen in quasi two-dimensional magnetic materials.
When it comes to engineering single-layer atomic structures, 'minding the gap' will help researchers create artificial electronic materials one atomic layer at a time, according to a team of materials scientists.
New research suggests that an ultra-thin layer of a metal and a semiconductor could be applied to essentially any rough or flexible material to produce a vividly colored coating. The technique, which exploits optical interference effects, could potentially be used on wearable fabrics or stretchable electronics.
Researchers have opened the door to low-power off/on switches in micro-electro-mechanical systems (MEMS) and nanoelectronic devices, as well as ultrasensitive bio-sensors, with the first observation of piezoelectricity in a free standing two-dimensional semiconductor.
Researchers have developed the first three-dimensional metamaterials by combining physico-chemical formulation and microfluidics technology. This is a new generation of soft metamaterials that are easier to shape.
Neuartige Nanopartikel-Katalysatoren könnten die Kosten für Brennstoffzellen dramatisch reduzieren. Ein von Berliner und Jülicher Forschern entwickelter Katalysator kommt mit einem Zehntel der üblichen Platinmenge aus.