Physics

Physics is the study of science that deals with matter, energy, motion, and force through time and space. 
Physics in nanotechnology embodies segments such as quantum computing, laser technology, photonics as some examples.

  • Faculty of Engineering is doing research for the energy transition

    Marius Langwasser, Marco Liserre and Giovanni De Carne work at the Chair of Power Electronics on the ENSURE research project.  Raissa Nickel/CAU

    600,000 Euro project started at Kiel University
    Nicolaus Copernicus established a new world view in the 16th century. Suddenly, the earth was no longer the centre of the universe. Similarly, the energy transition represents a paradigm shift for our society, not only nationally, as Federal Minister of Education and Research, Johanna Wanka emphasised on the occasion of the Climate Change Conference in Paris in 2015: “It could establish itself internationally as the guiding principle for ending our use of energy produced from fossil fuels.”

  • Faster from the Laboratory to the Patient

    Partners of the POC-Iniative.

    In the development of new medications and medical engineering, there is a gap between the discovery of new potential active ingredients and products and their further development into medicinal products and medical devices by the industry. The Helmholtz Association and the Fraunhofer-Gesellschaft, together with the Deutsche Hochschulmedizin, have now jointly brought the Proof-of-Concept initiative into being. It promotes the translation of innovative, promising research projects.

  • Faster, More Precise, More Stable: Study Optimizes Graphene Growth

    Visible to the naked eye: A wafer-thin graphene flake obtained via chemical vapor deposition. The red coloration of the copper substrate appears when the sample is heated in air. (Photo: J. Kraus/ TUM)

    Each atomic layer thin, tear-resistant, and stable. Graphene is seen as the material of the future. It is ideal for e.g. producing ultra-light electronics or highly stable mechanical components. But the wafer-thin carbon layers are difficult to produce. At the Technical University of Munich (TUM), Jürgen Kraus has manufactured self-supporting graphene membranes, and at the same time systematically investigated and optimized the growth of the graphene crystals. He was awarded the Evonik Research Prize for his work.

  • Fiber-based Quantum Communication - Interference of Photons Using Remote Sources

    Emission of single photons stemming from remote quantum dots. The wavelength of the single photons is manipulated by mixing them with strong laser fields within small crystals. University of Stuttgart/Kolatschek

    Scientists are working on the totally bug-proof communication – the so-called quantum communication. Current approaches for long-distance signal transmission rely on repeaters which are based on a crucial effect, the interference of two photons, that is, two individual light quanta coming from distant sources. Physicists from University of Stuttgart and Saarland University, in Germany, were now able to manipulate the single photons by means of small crystals without compromising their quantum mechanical nature. This manipulation is necessary to transmit the signal via optical fibers which may enable a large-area quantum network. The results were now published in Nature Nanotechnology.

  • Fine Felted Nanotubes: CAU Research Team Develops New Composite Material Made of Carbon Nanotubes

    In this new process, the tiny, thread-like carbon nanotubes (CNTs) arrange themselves - almost like felting - to form a stable, tear-resistant layer. Fabian Schütt

    Due to their unique properties, carbon nanotubes would be ideal for numerous applications, from ultra-lightweight batteries to high-performance plastics, right through to medical implants. But they either cannot be combined adequately with other materials, or they then lose their beneficial properties. Scientists from Kiel University and the University of Trento have now developed an alternative combining method, so that they retain their characteristic properties. As such, they "felt" the thread-like tubes into a stable 3D network that is able to withstand extreme forces. The research results have been published in the journal Nature Communications.

  • First Diode for Magnetic Fields

    When the left coil is energized, the magnetic field reaches the right coil (top). When the right coil is energized, the magnetic field does not reach the left one (bottom). Luis Veloso

    Innsbruck quantum physicists have constructed a diode for magnetic fields and then tested it in the laboratory. The device, developed by the research groups led by the theorist Oriol Romero-Isart and the experimental physicist Gerhard Kirchmair, could open up a number of new applications. Electric diodes are essential electronic components that conduct electricity in one direction but prevent conduction in the opposite one. They are found at the core of any electronic component, being one of the most essential building blocks.

  • First experimental quantum simulation of particle physics phenomena

    First experimental quantum simulation of particle physics phenomena | Physicists have simulated the creation of elementary particle pairs out of the vacuum by using a quantum computer. IQOQI/Harald Ritsch

    Physicists in Innsbruck have realized the first quantum simulation of lattice gauge theories, building a bridge between high-energy theory and atomic physics. In the journal Nature, Rainer Blatt‘s and Peter Zoller’s research teams describe how they simulated the creation of elementary particle pairs out of the vacuum by using a quantum computer.

  • First Random Laser Made of Paper-Based Ceramics

    The team used conventional laboratory filter paper as a structural template due to its long fibers and the stable structure. Photo: Institute for Complex Systems /Rome

    Working with physicists from the University of Rome, a team led by Professor Cordt Zollfrank from the Technical University of Munich (TUM) built the first controllable random laser based on cellulose paper in Straubing. The team thereby showed how naturally occurring structures can be adapted for technical applications. Hence, materials no longer need to be artificially outfitted with disordered structures, utilizing naturally occurring ones instead.

  • First Real-time Test of Li-Fi Utilization for the Industrial Internet of Things

    First real-time test of Li-Fi utilization for the industrial Internet of Things. @ istockphoto.com/3alexd/edit Fraunhofer HHI

    The BMBF-funded OWICELLS project was successfully completed with a final presentation at the BMW plant in Munich. The presentation demonstrated a Li-Fi communication with a mobile robot, while the robot carried out usual production processes (welding, moving and testing parts) in a 5x5m² production cell. The robust, optical wireless transmission is based on spatial diversity; in other words, data is sent and received simultaneously by several LEDs and several photodiodes. The system can transmit data at more than 100 Mbit/s and five milliseconds latency.

  • First Single-photon Source that Works with Atomic Gases at Room Temperature

    Rubidium atoms are excited to their Rydberg states in a glass cell at room temperature. The volume between the glass plates is so thin that colored interference rings are visible to the naked eye. Universität Stuttgart/Max Kovalenko

    Researchers of the Center for Integrated Quantum Science and Technology IQST at the 5th Institute of Physics at the University of Stuttgart (Head: Prof. Tilman Pfau) have developed a novel, promising variant of a light source for the smallest possible energy packages - a so-called single-photon source. Their work has been published in the latest issue of the journal Science.*

  • First Users at European XFEL

    DESY's Anton Barty (left) and Henry Chapman (right), seen at the SPB/SFX instrument, were in one of the first two user groups. Photo: DESY, Lars Berg

    The first users have now started experiments at the new international research facility in Schenefeld. “This is a very important event, and we are very happy that the first users have now arrived at European XFEL so we can do a full scale test of the facility” said European XFEL Managing Director Prof. Dr. Robert Feidenhans’l. ”The instruments and the supporting teams have made great progress in the recent weeks and months. Together with our first users, we will now do the first real commissioning experiments and collect valuable scientific data. At the same time, we will continue to further advance our facility and concentrate on further improving the integration and stability of the instrumentation” he added.

  • FLASH observes exploding xenon nanoparticles

    With the bright X-ray flashes from FLASH the scientists made xenon clusters explode. The same flash allowed the researchers to record the structure of the cluster just before the explosion (top). With an ion spectrometer the scientists recorded the debris from the explosion (below). Credit: Daniela Rupp/Technical University of Berlin

    DESY’s X-ray laser offers new insights into the interaction between light and matter

  • Flexible Organic Electronics for Wearables

    Bracelet with flexible OLED © LYTEUS

    Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology, a provider of research and development services in the field of organic electronics, presents first wearable OLED bracelet at Wearable Europe 2018, from April 11th to 12th in Berlin, Germany at booth no. P12 together with VTT Technical Research Centre of Finland and Holst Centre from Netherlands.

  • Flow at the nanoscale: what stops a drop and keeps nanobubbles alive

    All of us have seen it: a raindrop running down the windowpane. It stops at a certain point, is met by a second raindrop and the two join up before continuing to run down the pane. Very small irregularities or dirt on the windowpane appear to stop the course of the raindrops. If the surface was entirely smooth and chemically clean, the raindrops would be able to flow unhindered. Surface defects such as small bumps and dimples as well as chemical contaminants stop the liquid drops.
    These are everyday phenomena everyone knows and can observe with the naked eye.

  • Flying Optical Cats for Quantum Communication

    An atom is trapped in the resonator between two mirrors (left). A reflected light pulse gets entangled with the atom and may fly freely as a superimposed cat state (right). Bastian Hacker, Max Planck Institute of Quantum Optics (MPQ)

    Dead and alive at the same time? Researchers at the Max Planck Institute of Quantum Optics have implemented Erwin Schrödinger’s paradoxical gedanken experiment employing an entangled atom-light state. In 1935 Erwin Schrödinger formulated a thought experiment designed to capture the paradoxical nature of quantum physics. The crucial element of this gedanken experiment is a cat that is simultaneously dead and alive. Since Schrödinger proposed his ‘cat paradox’, physicists have been thinking about ways to create such superposition states experimentally.

  • Foldable Like an Accordion: International Research Team Bends Individual Nanostructures

    Materials scientists Yogendra Kumar Mishra and doctoral researcher Daria Smazna. Photo/credit: Siekmann/CAU

    Since a research group at Kiel University (CAU) and the Hamburg University of Technology (TUHH) in Hamburg-Harburg has developed aerographite – one of the most light weight materials in the world – in the year 2012 -, they have continued researching about it. Its complex tetrapodal architecture gives the carbon-based 3D material very unique properties, such as extremely high elasticity and electrical conductivity. Now, for the first time, as part of an international research team, materials scientists from the CAU were able to fold the individual hollow tetrapods, each measuring only a few micrometers in size.

  • Forscher entdecken neue chemische Verbindung

    Wissenschaftler der Universität Leipzig haben in Zusammenarbeit mit Kollegen der Friedrich-Alexander Universität Erlangen-Nürnberg und der Staatlichen Universität für Informationstechnologien, Mechanik und Optik (ITMO) in St. Petersburg eine ganz neue Eigenschaft einer chemischen Verbindungsklasse entdeckt. "Neben interessanten magnetischen Eigenschaften zeichnen sich Kristalle dieser Verbindung auch durch sogenannte Doppelbrechung aus", erklärt Prof. Dr. Evamarie Hey-Hawkins, Chemikerin der Universität Leipzig und Leiterin der Arbeitsgruppe. Ihre Forschungsergebnisse haben die Wissenschaftler in der renommierten Fachzeitschrift "Dalton Transactions" als Titelbeitrag veröffentlicht.

  • Fraunhofer IISB releases foxBMS, a universal, royalty free and fully open battery management system

    Fraunhofer IISB is proud to announce the launch of its first generation, free, open, and flexible battery management system, namely foxBMS. At the conference “Batterietagung 2016” (battery-power.eu) foxBMS will be presented publicly for the first time. Visit us at Batterietagung 2016 on April 25-27 in Muenster, Germany, at the Fraunhofer Battery Alliance stand (booth 18). foxBMS will also be on show at the Fraunhofer IISB stand at the PCIM Europe 2016 from May 10-12 in Nuremberg, Germany. Currently, a total of 15 renowned industrial and research organizations from 7 countries worldwide have been selected from a long list of volunteers to participate in an intensive beta testing program.

  • From the Lab on to the Ship: Environmentally-Friendly Removal of Biofouling

    Barnacles and muscles stuck to the ship’s hull can be brushed off easily from the new coating. The paintwork is not damaged. Photo/credit: Dr Martina Baum

    It is one of the shipping industry’s major problems: marine organisms like barnacles, algae or muscles quickly cover the hulls of ships and damage their paintwork. The so-called “biofouling” increases the ship’s weight and its flow resistance, causing greater fuel consumption and CO2 emissions. Those protective paints that are used around the world contain and release pollutants. A research team at Kiel University and the Phi-Stone AG, one of its spin-offs located in Kiel, have closely cooperated to develop an environmentally-friendly coating. This coating makes it harder for marine organisms to grow on the hulls and makes cleaning the ships easier.

  • Fundamental properties of spin Seebeck effect unveiled

    Fundamental properties of spin Seebeck effect unveiled | Thermally excited spin waves carry a spin current from the ferromagnet (YIG in this case) into the metal layer. Depending on the YIG thickness and the interface condition the amplitude of the spin current as well as transmission properties change. illustraton: Joel Cramer, JGU

    Direct correlation between temperature dependent generation of spin currents and atomic composition of interfaces found

    Thermoelectric effects are a fundamental building block for the conception and development of new processes for information processing. They enable to re-use waste heat obtained in different processes for the operation of respective devices and thus contribute to the establishment of more energy-efficient, ecofriendly processes. A promising representative of this effect category is the so-called spin Seebeck effect, which became prominent within recent years. This effect allows to convert waste heat into spin currents and thereby to transport energy as well as information in magnetic, electrically insulating materials.