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Physics - Materials Science - 01.03.2024
Umbrella for Atoms: The First Protective Layer for 2D Quantum Materials
Umbrella for Atoms: The First Protective Layer for 2D Quantum Materials
Breakthrough in materials research: A team from the Würzburg-Dresden Cluster of Excellence ct.qmat has developed an innovative protective film for 2D quantum materials that could play a key role in shaping the future of electronics. As silicon-based computer chips approach their physical limitations in the quest for faster and smaller designs, the search for alternative materials that remain functional at atomic scales is one of science's biggest challenges.

Materials Science - 27.02.2024
Early humans as engineers
Early humans as engineers
Early hunter-gatherers from the Middle Stone Age in southern Africa were selecting the most suitable material available for stone tools and spearheads more than 60,000 years ago, according to a study by Dr. Patrick Schmidt from the University of Tübingen's Early Prehistory and Quaternary Ecology section.

Chemistry - Materials Science - 02.02.2024
International Science Team Intensifies Research on Lithium-Sulfur Batteries
International Science Team Intensifies Research on Lithium-Sulfur Batteries
Joint project -AReLiS-3- commences at MEET Battery Research Center A research team at the MEET Battery Research Center at the University of Münster has kicked off the international joint project "AReLiS-3" to pursue research on lithium-sulfur batteries. Its aim is to develop, investigate and optimize novel cell designs, materials, electrode coatings and electrolytes for sulfur-based battery systems.

Materials Science - Environment - 08.12.2023
Battery recycling: China is in first place
Battery recycling: China is in first place
China covers its demand for lithium, cobalt and nickel for batteries by recycling, ahead of Europe and the USA. With the increasing production of batteries for electric vehicles, the demand for the necessary raw materials is also rising. In view of the supply risks, environmental problems and precarious working conditions associated with the extraction and transportation of these raw materials, the recycling of battery materials has become an important topic in science, politics and industry.

Agronomy / Food Science - Materials Science - 13.11.2023
New modular development kit for e-tractors
New modular development kit for e-tractors
Research on the electrification of agricultural machinery The special requirements placed on trucks and agricultural machinery often make it difficult for engineers to bring them into the electric age. At the Agritechnica agricultural machinery fair researchers from the Technical University of Munich (TUM) are now showing what a modular development kit for electric tractors can look like.

Materials Science - Chemistry - 03.11.2023
Photo Battery Achieves Competitive Voltage
Photo Battery Achieves Competitive Voltage
Researchers from the Universities of Freiburg and Ulm have developed a monolithically integrated photo battery using organic materials. Networked intelligent devices and sensors can improve the energy efficiency of consumer products and buildings by monitoring their consumption in real time. Miniature devices like these being developed under the concept of the Internet of Things require energy sources that are as compact as possible in order to function autonomously.

Materials Science - Computer Science - 30.10.2023
Autonomous measuring instruments specifically find new materials
Autonomous measuring instruments specifically find new materials
A new algorithm mines material libraries up to four times faster than before. It is based on machine learning . Researchers are working flat out to find new materials for future technologies on which the energy transition depends, for example as electrocatalysts. Due to their versatile properties, materials consisting of five or more elements are of particular interest.

Physics - Materials Science - 19.10.2023
A miniature magnetic resonance imager made of diamond
A miniature magnetic resonance imager made of diamond
Quantum sensors make microscale NMR spectroscopy possible A miniature magnetic resonance Nuclear magnetic resonance (NMR) is an important imaging method in research which can be used to visualize tissue and structures without damaging them. The technique is better known from the medical field as Magnetic Resonance Imaging (MRI), where the patient is moved into a bore of a large magnet on a table.

Physics - Materials Science - 06.10.2023
A treasure chest for researchers
A treasure chest for researchers
Physicists investigate 2D materials with very special properties Postdoc Dr. Nihit Saigal, a member of Prof. Ursula Wurstbauer's team at Münster University's Institute of Physics, has got everything ready in the laboratory to produce an ultra-thin, two-dimensional material - a silver-coloured crystal of molybdenum disulphide, a viscoelastic polymer film.

Chemistry - Materials Science - 26.09.2023
How organic solar cells could become significantly more efficient
How organic solar cells could become significantly more efficient
Organic dyes accelerate transport of buffered solar energy The sun sends enormous amounts of energy to the earth. Nevertheless, some of it is lost in solar cells. This is an obstacle in the use of organic solar cells, especially for those viable in innovative applications. A key factor in increasing their performance: Improved transport of the solar energy stored within the material.

Physics - Materials Science - 17.08.2023
Pairing of electrons in artificial atoms discovered
Pairing of electrons in artificial atoms discovered
Researchers from the Department of Physics at Universität Hamburg, observed a quantum state that was theoretically predicted more than 50 years ago by Japanese theoreticians but so far eluded detection. By tailoring an artificial atom on the surface of a superconductor, the researchers succeeded in pairing the electrons of the so-called quantum dot, thereby inducing the smallest possible version of a superconductor.

Physics - Materials Science - 25.07.2023
A new type of quantum bit in semiconductor nanostructures
A new type of quantum bit in semiconductor nanostructures
Researchers have created a quantum superposition state in a semiconductor nanostructure that might serve as a basis for quantum computing. The trick: two optical laser pulses that act as a single terahertz laser pulse. A German-Chinese research team has successfully created a quantum bit in a semiconductor nanostructure.

Chemistry - Materials Science - 18.07.2023
High-performance digital system for the design of customized polymers
High-performance digital system for the design of customized polymers
It is impossible to imagine everyday life without polymers. However, they represent only a small section of the huge number of polymers that could theoretically exist. Christopher Kuenneth at the University of Bayreuth, Germany, together with research partners in Atlanta, USA, has now developed a digital system that promises extraordinarily high economic, technological and ecological benefits: From around 100 million theoretically possible polymers, it can filter out at unprecedented speed precisely those materials that are most suitable for targeted applications.

Physics - Materials Science - 14.06.2023
Fabrication of drop-etched quantum dots that glow in the optical C-band.
Fabrication of drop-etched quantum dots that glow in the optical C-band.
Researchers from the Department of Physics and the Institute for Photonic Quantum Systems (PhoQS) in Paderborn have successfully produced quantum dots - nanoscopic structures in which the quantum properties of matter come into play - that glow in the optical C-band at a wavelength between 1530 and 1565 nanometers as part of a project funded within the Collaborative Research Center/TRR 142.

Chemistry - Materials Science - 07.06.2023
Aluminium-ion batteries with improved storage capacity
Aluminium-ion batteries with improved storage capacity
Research team develops organic redox polymer as positive electrode material for aluminium-ion batteries Aluminium-ion batteries are seen as a promising alternative to conventional batteries that use scarce and difficult-to-recycle raw materials such as lithium. This is because aluminium is one of the most common elements in the Earth's crust, is easier to recycle, and is also safer and less expensive than lithium.

Physics - Materials Science - 29.05.2023
Let information flow faster - with light instead of electricity
Let information flow faster - with light instead of electricity
Either 1 or 0. Either current flows or it does not. In electronics, everything is controlled via the binary system. Electrons already generate information quite fast and well, pass them on and take over various switching functions. But it can be done even faster. Paul Herrmann and Sebastian Klimmer from the Friedrich Schiller University of Jena have proven that.

Physics - Materials Science - 22.05.2023
ToCoTronics Extended
ToCoTronics Extended
The Collaborative Research Centre ToCoTronics in condensed matter physics will be extended for four more years. The German Research Foundation is funding it with 12 million euros. Topological materials are intensively investigated in the world. This boom started at Julius-Maximilians-Universität (JMU) Würzburg, where the physics professor Laurens Molenkamp realized the first topological insulator in 2007.

Materials Science - Health - 19.05.2023
Specially coated titanium reduces risk of clots on prostheses
Specially coated titanium reduces risk of clots on prostheses
Around 25,000 artificial heart valves are implanted  in Germany per year because the original heart valve is damaged, for example, by an infection. The mechanical heart valves are made of titanium dioxide, among other materials, and last for many years. However, because blood tends to clot on contact with these material surfaces, there is a risk of blood clots forming on the surface of mechanical heart valves.

Materials Science - Chemistry - 12.05.2023
New glass from the computer
New glass from the computer
Glass is a very special material: it can be produced in almost unlimited variety from compounds of almost all elements of the periodic table. The only prerequisite is that the components can be melted together and that the melt is then cooled quickly enough. In the process, the liquid mixture solidifies and forms a glass.

Physics - Materials Science - 28.04.2023
More power from waste heat
More power from waste heat
When fossil fuels, but also biofuels, are burned, large amounts of the energy are lost as waste heat. Thermoelectric materials could convert this heat into electricity, but they are not yet efficient enough for technical application. A team from the Max Planck Institut für Eisenforschung has now increased the efficiency of a thermoelectric material by elucidating the influence of the microstructure on the material and optimizing the material's properties by adding titanium.
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