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STN Programme
Head: Prof. Dr. Horst Hahn / Prof. Dr. Jan G. Korvink

 

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News
Soliton frequency combs, generated in silicon nitride microresonators, are used for massively parallel data transmission via various frequency channels (Photo: J. N. Kemal/ P. Marin-Palomo/ KIT)Nature: Optical Communication at Record-High Speed

June 8, 2017

Researchers at Karlsruhe Institute of Technology (KIT) and École Polytechnique Fédérale de Lausanne (EPFL) have set a new record for optical data transmission: As reported in Nature, the team exploits optical solitons circulating in silicon nitride microresonators to generate broadband optical frequency combs. Two such superimposed frequency combs enable massive parallel data transmission on 179 wavelength channels at a data rate of more than 50 terabits per second. (DOI: 10.1038/nature22387).

Press Release 074/2017
Australian Laureate Fellow 2017: Professor Christopher Barner-Kowollik (Foto: Irina Westermann)Mit Licht zu maßgeschneiderten High-Tech-Materialien

June 7, 2017

[DE] Kratzer im Autolack per Laser reparieren oder empfindliche elektronische Bauteile mit Licht flexibler oder härter machen: An solchen Lösungen arbeitet Professor Christopher Barner-Kowollik am Karlsruher Institut für Technologie (KIT) und der Queensland University of Technology (QUT) in Brisbane, Australien. Wie sich Beschichtungen und Materialien mit monochromatischem Licht aus Lasern für unterschiedliche Anwendungen maßschneidern lassen, untersucht er nun auch in einem Projekt, das der Australische Forschungsrat mit mehr als drei Millionen Australischen Dollar fördert (mehr als zwei Millionen Euro).

Presseinformation 073/2017
3-dimensional microstructures can be written using a laser, erased, and rewritten. (Photo: KIT)Erasable Ink for 3D Printing

April 24, 2017

3D printing by direct laser writing produces micrometer-sized structures with precisely defined properties. Researchers of Karlsruhe Institute of Technology (KIT) have now developed a method to erase the ink used for 3D printing. In this way, the small structures of up to 100 nm in size can be erased and rewritten repeatedly. One nanometer corresponds to one millionth of a millimeter. This development opens up many new applications of 3D fabrication in biology or materials sciences, for instance.

Press Release 050/2017
Stripes of nanostructures in perovskite solar cells can be detected by means of a type of scanning force microscopy (shown schematically). (Figure: Holger Röhm, Tobias Leonhard/KIT)Solar Cells with Nanostripes

April 12, 2017

Solar cells based on perovskites reach high efficiencies: They convert more than 20 percent of the incident light directly into usable power. On their search for underlying physical mechanisms, researchers of the Karlsruhe Institute of Technology (KIT) have now detected strips of nanostructures with alternating directions of polarization in the perovskite layers. These structures might serve as transport paths for charge carriers. This is reported in the Energy & Environmental Science Journal. (DOI: 10.1039/c7ee00420f)

Press Release 048/2017
Wolfgang Wernsdorfer is Humboldt Professor at KIT. (Photo: Sandra Göttisheim, KIT)Optics Advance Quantum Information Processing

April 7, 2017

Experimental physicist Professor Wolfgang Wernsdorfer of Karlsruhe Institute of Technology (KIT) was selected by the European Research Council for funding with an ERC Advanced Grant for his project “Molecular Quantum Opto-Spintronics” (MoQuOS). MoQuOS covers optical manipulation and characterization of molecular quantum bits. Within the framework of MoQuOS, Wernsdorfer, who has been holding an Alexander von Humboldt professorship since 2016, plans to develop together with his team rapid and reliable methods to read out spin states of individual magnetic molecules for quantum information processing.

Press Release 047/2017
The molecular contact can be switched on and off mechanically and electrostatically. (Photo: KIT)Reliable Molecular Toggle Switch Developed

March 9, 2017

Nanotechnology constantly allows for new records in miniaturization. Reduction of the dimension of electronic components, however, has physical limits that will be reached soon. Novel materials and components are required. This is where molecular electronics comes in. Scientists of Karlsruhe Institute of Technology (KIT) have now succeeded in developing a molecular toggle switch that does not only remain in the position selected, but can also be flipped as often as desired. This is reported in Nature Communications. 

Press Release 031/2017
The metal-organic framework is set up like a sandwich (a). The molecular textile layer is woven in an active layer that is embedded between so-called sacrificial layers (b). (Image: KIT)Metal-organic Frameworks Used as Looms

February 15, 2017

Researchers of Karlsruhe Institute of Technology (KIT) have made major progress in the production of two-dimensional polymer-based materials. To produce cloths from monomolecular threads, the scientists used SURMOFs, i.e. surface-mounted metal-organic frameworks, developed by KIT. They inserted four-armed monomers, i.e. smaller molecular building blocks, into some SURMOF layers. Cross-linking of the monomers then resulted in textiles consisting of interwoven polymer threads. This work is now presented in Nature Communications. (DOI: 10.1038/ncomms14442)

Press Release 020/2017
Microscopic components made of silicon (blue) and special polymers (green) convert electrical into optical signals and vice versa. (Graphics: KIT)Turning Research into Innovations

February 1, 2017

The European Research Council (ERC) has decided to fund two innovative ideas of Karlsruhe Institute of Technology (KIT). For their first steps from fundamental research to commerciali-zation, these projects are now granted about EUR 150,000 each. The so-called “Proof of Concept Grants” serve to further de-velop application-relevant research findings for the market. The KIT projects funded by the ERC cover the analysis of biological samples and data transmission by light.

Press Release 013/2017
A cancer cell under the microscope: The STED image (left) has a background of low resolution. In the STEDD image (right), background suppression results in much better visible structures. (Image: APH/KIT)Background Suppression for Super-resolution Light Microscopy

January 31, 2017

Researchers of Karlsruhe Institute of Technology (KIT) have developed a new fluorescence microscopy method: STEDD (Stimulation Emission Double Depletion) nanoscopy produces images of highest resolution with suppressed background. The new method yields an enhanced image quality, which is advantageous when analyzing three-dimensional, densely arranged subcellular structures. STEDD, a further development of the STED method, is now presented in Nature Photonics. (DOI: 10.1038/NPHOTON.2016.279)

Press Release 012/2017
The ring structure of the metamaterial was inspired by mail armor of medieval knights. (Photo: KIT)Metamaterial: Mail Armor Inspires Physicists

January 19, 2017

The Middle Ages certainly were far from being science-friendly: Whoever looked for new findings off the beaten track faced the threat of being burned at the stake. Hence, the contribution of this era to technical progress is deemed to be rather small. Scientists of Karlsruhe Institute of Technology (KIT), however, were inspired by medieval mail armor when producing a new metamaterial with novel properties. They succeeded in reversing the Hall coefficient of a material.

Press Release 006/2017
Prof. Jan G. KorvinkProf. Korvink in den Vorstand von microTEC Südwest gewählt

[DE] Am 27. März 2017 wurde Prof. Jan G. Korvink vom Karlsruher Institut für Technologie (KIT) in den Vorstand von microTEC Südwest e.V. gewählt. Er ist Nachfolger von Prof. Volker Saile (ebenfalls KIT), der aus Altersgründen ausscheidet.

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The blue tarantula (Poecilotheria metallica) inspired researchers to produce non-iridescent structural colors. (Photo: Tom Patterson)Dressing up like a Peacock: Bright Colors by Nanotechnology

October 19, 2016

Colors are produced in a variety of ways. The best known colors are pigments. However, the very bright colors of the blue tarantula or peacock feathers do not result from pigments, but from nanostructures that cause the reflected light waves to overlap. This produces extraordinarily dynamic color effects. Scientists from Karlsruhe Institute of Technology (KIT), in cooperation with international colleagues, have now succeeded in replicating nanostructures that generate the same color irrespective of the viewing angle. DOI: 10.1002/adom.201600599

Press Release 144/2016
Carbon tube (center) as a photon source and superconducting nanowires as receivers constitute part of the optical chip (Photo: W.Pernice/WWU)First Quantum Photonic Circuit with an Electrically Driven Light Source

September 27, 2016

Whether for use in safe data encryption, ultrafast calculation of huge data volumes or so-called quantum simulation of highly complex systems: Optical quantum computers are a source of hope for tomorrow’s computer technology. For the first time, scientists now have succeeded in placing a complete quantum optical structure on a chip, as outlined in the “Nature Photonics” journal. This fulfills one condition for the use of photonic circuits in optical quantum computers. (DOI: 10.1038/nphoton.2016.178)

Press Release 132/2016
Three-dimensional microscaffolds for the cultivation of individual cells (actin colored green), which were functionalized specifically with two different proteins (red, magenta) by photochemical processes. (Photo: Benjamin Richter/KIT)Specifically Designed Petri Dishes: Three KIT Scientists Receive Erwin Schrödinger Prize

September 23, 2016

Three-dimensional printing is increasingly applied worldwide, like in toy and automotive industries. In micro- and nanoranges, use of the process for the artificial production of biological tissue (tissue engineering) might result in new findings, as it is the case for specifically designed 3D petri dishes. Three scientists of Karlsruhe Institute of Technology (KIT) developed a method to produce flexible, three-dimensional microscaffolds for cultivating cells under suitable conditions and to conduct corresponding research. For this, they are now granted the Erwin Schrödinger Prize by the Helmholtz Association of German Research Centers.

Press Release 130/2016
Outer skin (left) and vascular bundles (right) of dragon tree branch-stem attachments in the loaded (yellow) and unloaded (red) state. (Photo: Hesse/University of Freiburg)Deriving Inspiration from the Dragon Tree

September 8, 2016

Could dragon trees serve as a source of inspiration for innovations in lightweight construction? A team of researchers at the University of Freiburg and the Karlsruhe Institute of Technology (KIT) has laid the groundwork for designing technical fiber-reinforced lightweight ramifications modeled on branch–stem attachments. With the help of high-resolution magnetic resonance imaging techniques, the scientists succeeded in observing how the tissue of a living dragon tree is displaced when subjected to a load. In the future, technical fiber-reinforced lightweight ramifications with structures and behavior similar to that of the natural model could be used to improve architectural supporting structures, bicycle frames, or automobile bodies. The team published the findings in the journal Scientific Reports.

Press Release 124/2016
Thanks to fine hairs on the leaf surface, the salvinia water fern can absorb and bind mineral oil from water surfaces. (Photo: C. Zeiger/KIT)Nanofur for Oil Spill Cleanup

August 18, 2016

Some water ferns can absorb large volumes of oil within a short time, because their leaves are strongly water-repellent and, at the same time, highly oil-absorbing. Researchers of KIT, together with colleagues of Bonn University, have found that the oil-binding capacity of the water plant results from the hairy microstructure of its leaves. It is now used as a model to further develop the new Nanofur material for the environmentally friendly cleanup of oil spills. (DOI: 10.1088/1748-3190/11/5/056003)

Press Release 115/2016
The mechanical properties of the carbon nanotube (black) cause the spin (orange) of a molecule (green and red) to flip over. (Illustration: Christian Grupe/KIT)What Makes the Spin Flip Over?

June 2, 2016

The Einstein-de-Haas effect shows that magnetism results from the angular momentum of electrons and is considered as the macroscopic evidence of electron spin. Researchers at Karlsruhe Institute of Technology (KIT) and at the Institut NÉEL at the CNRS in Grenoble were the first to investigate this effect for an individual spin and formulated it as the new “Quantum Einstein-de-Haas effect”. In the Nature Communications scientific journal (DOI: 10.1038/ncomms11443), they report on their work.

Press Release 083/2016
Wolfgang Wernsdorfer. (Photo: Humboldt-Stiftung/Wolfgang Hemmann)KIT Brings Outstanding Experimental Physicist Back to Germany

May 4, 2016

Germany’s award in the highest amount for researchers from abroad was handed over to Professor Wolfgang Wernsdorfer yesterday evening (May 03) in Berlin. The pioneer of molecular spin electronics will now return from France to Germany: From June 01, 2016, Wernsdorfer will continue his research for the development of future quantum computers at Karlsruhe Institute of Technology (KIT). The research award in the amount of EUR 5 million was handed over by the State Secretary of the Federal Ministry of Education and Research, Cornelia Quennet-Thielen, and the President of the Alexander von Humboldt Foundation, Professor Helmut Schwarz.

Press Release 070/2016
Carbon nanotube above a photonic crystal waveguide with electrodes. The structure converts electric signals into light. (Photo: WWU)Nature Photonics: Light Source for Quicker Computer Chips

April 19, 2016

Worldwide growing data volumes make conventional electronic processing reach its limits. Future information technology is therefore expected to use light as a medium for quick data transmission also within computer chips. Researchers under the direction of KIT have now demonstrated that carbon nanotubes are suited for use as on-chip light source for tomorrow’s information technology, when nanostructured waveguides are applied to obtain the desired light properties. The scientists now present their results in Nature Photonics. DOI: 10.1038/NPHOTON. 2016.70

Press Release 059/2016
Organic laser on a silicon photonic chip: Optical excitation from above generates laser light in the waveguide. (Graphics: KIT)Nature Communications: Laser Source for Biosensors

March 7, 2016

In the area of nano photonics, scientists for the first time succeeded in integrating a laser with an organic gain medium on a silicon photonic chip. This approach is of enormous potential for low-cost biosensors that might be used for near-patient diagnosis once and without any sterilization expenditure similar to today’s strips for measuring blood sugar. The researchers now present the new laser in Nature Communications: DOI: 10.1038/ncomms10864

Press Release 034/2016
The smallest lattice in the world is visible under the microscope only. Struts and braces are 0.2 µm in diameter. Total size of the lattice is about 10 µm. (Photo: J. Bauer / KIT)Nature Materials: Smallest Lattice Structure Worldwide

February 2, 2016

KIT scientists now present the smallest lattice structure made by man in the Nature Materials journal. Its struts and braces are made of glassy carbon and are less than 1 µm long and 200 nm in diameter. They are smaller than comparable metamaterials by a factor of 5. The small dimension results in so far unreached ratios of strength to density. Applications as electrodes, filters or optical components might be possible. (DOI: 10.1038/nmat4561)

Press Release 015/2016
Channels or other flow structures inside of compact microreactors optimize mixing of chemicals and heat removal during processes. (Photo: IMVT/KIT)Chemistry: Efficient Processes in Smallest Systems

January 26, 2016

The German Research Foundation (DFG) funds a new research group at Karlsruhe Institute of Technology (KIT) and the University of Freiburg: “Acquisition and control of dynamic local process states in microreactors by latest in-situ sensors”, briefly called ProMiSe. Scientists are to develop electronic and optical microsensors and measurement technologies to better understand chemical and physical processes in microstructured process technology systems, to reduce the costs of these processes, and to make them more energy-efficient.

Press Release 012/2016
Step by step towards the complete shell: Formation of a metal cluster from the atomic constituents to the compound. (Photo: Dehnen Group, Philipps-Universität Marburg)Nature Communications: How Metal Clusters Grow

January 25, 2016

First the nucleus, then the shell: Researchers from Marburg and Karlsruhe have studied stepwise formation of metal clusters, smallest fractions of metals in molecular form. The shell gradually forms around the inner atom rather than by later inclusion of the central atom. Knowledge of all development steps may allow for customized optoelectronic and magnetic properties, as is reported by the researchers in the science journal “Nature Communications”. (DOI: 10.1038/NCOMMS10480)

Press Release 010/2016
The new production process for organic solar cells was developed by Stefan Gärtner (left) and Alexander Colsmann (right), KIT, in cooperation with an industry partner. (Photo: Markus Breig, KIT)Gips-Schüle Research Award for Environmentally Friendly Production of Organic Solar Cells

November 24, 2015

The 2015 Gips-Schüle Research Award in the amount of EUR 50,000 goes to the research project “Nanoparticles for the Environmentally Compatible Production of Organic Solar Cells” of Karlsruhe Institute of Technology (KIT) in cooperation with MJR PharmJet GmbH. The project in which engineers, physicists, chemists, and biologists cooperate is aimed at developing low-cost methods for the production of new solar cells without any solvents that are harmful to human health.

Press Release 145/2015
By intercalation of lithium ions into certain magnets and de-intercalation, their mag-netism can be controlled specifically. (Graphics: KIT/Wiley-VCH)Chemistry Controls Magnetism

October 9, 2015

Magnets are well-known from the physics lessons at school, but they are hardly covered in chemistry lectures; and it is still a chemical process by means of which researchers at Karlsruhe Institute of Technology (KIT) have succeeded in controlling magnetic properties in bulk ferromagnets. While physical processes may influence the orientation of the magnetic fields, the chemical process in this case controls magnetism in carefully chosen strongly ferromagnetic material systems. The working principle used in this case is similar to the concept of lithium-ion batteries. (DOI: 10.002/adma-201305932)

Press Release 116/2015
A special invisibility cloak (right) guides sunlight past the contacts for current removal to the active surface area of the solar cell. (Graphics: Martin Schumann, KIT)Invisibility Cloak Might Enhance Efficiency of Solar Cells

September 25, 2015

Success of the energy turnaround will depend decisively on the extended use of renewable energy sources. However, their efficiency partly is much smaller than that of conventional energy sources. The efficiency of commercially available photovoltaic cells, for instance, is about 20%. Scientists of Karlsruhe Institute of Technology (KIT) have now published an unconventional approach to increasing the efficiency of the panels. Optical invisibility cloaks guide sunlight around objects that cast a shadow on the solar panel, such as contacts for current extraction. DOI: 10.1364/OPTICA.2.000850.

Press Release 110/2015
All-optical data memory: Ultra-short light pulses make the GST material change from crystalline to amorphous and back. Weak light pulses read out the data. (Photo: C. Rios/Oxford University)Permanent Data Storage with Light

September 22, 2015

The first all-optical permanent on-chip memory has been developed by scientists of Karlsruhe Institute of Technology (KIT) and the universities of Münster, Oxford, and Exeter. This is an important step on the way towards optical computers. Phase change materials that change their optical properties depending on the arrangement of the atoms allow for the storage of several bits in a single cell. The researchers present their development in the journal Nature Photonics (10.1038/nphoton.2015.182).

Press Release 108/2015
Prof. Herbert Gleiter[German] Cothenius-Medaille für Herbert Gleiter

September 7, 2015

Die Nationale Akademie der Wissenschaften Leopoldina zeichnet Professor Herbert Gleiter mit der Cothenius-Medaille für sein wissenschaftliches Lebenswerk aus. Die Auszeichnung wird im Rahmen der feierlichen Eröffnung der Leopoldina-Jahresversammlung am Freitag, 18. September 2015, in Halle (Saale) verliehen.

Prof. Dr. Herbert Gleiter ist ein renommierter Materialwissenschaftler und gilt er als einer der Begründer der modernen Nanotechnologie. Die Forschungsgruppe um Herbert Gleiter eröffnete Ende der 1970er-Jahre mit der Entwicklung „Nanokristalliner Materialien“ den Weg zu einem neuen Gebiet der Materialwissenschaften. In jüngerer Zeit wurde dieses Gebiet von Herbert Gleiter auf nanoskalige Materialien mit nichtkristalliner Struktur, heute als Nanogläser bezeichnet, erweitert. Gleiters aktuelle Arbeiten konzentrieren sich – zusätzlich zu den Nanoglasuntersuchungen – auf die Anwendung der Nanotechnologie, um die Grenzen der Quantenphysik in Systemen makroskopischer Größe zu erforschen.

KIT News
Contrary to other transparent surfaces, the wings of the glasswing butterfly (Greta Oto) hardly reflect any light. Lenses or displays of mobiles might profit from the investigation of this phenomenon. (Photo: Radwanul Hasan Siddique, KIT)Nature: Low-reflection Wings Make Butterflies Nearly Invisible

April 22, 2015

Irregular Nanostructures on the Transparent Wing of the Glasswing Butterfly Prevent the Reflection of Light – Publication in Nature Communications – Researchers Plan Applications

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Dr. Anna BöhmerDr. Anna Böhmer has been awarded a Helmholtz research grant

January 2015

The Helmholtz Association (HGF) has awarded 19 recently qualified scientists a grant in the Postdoc programme. Dr. Anna Böhmer, of the Institute of Solid State Physics (IFP), who carried out her PhD with the Topic 1 of the Programme STN is the sole candidate from KIT to achieve this distinction.

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The novel material “fluoropore” repels water (left) and oil (right). These droplets do not adhere to or wet the surface. (Photo: KIT/Rapp) New Material Makes Water and Oil Roll off

November 4, 2014

Car finish, to which no dirt particles adhere, house fronts, from which graffiti paints roll off, and shoes that remain clean on muddy paths – the material “fluoropore” might make all this possible. Both water and oil droplets roll off this new class of highly fluorinated super-repellent polymers. The Federal Ministry of Education and Research (BMBF) has now decided to fund its further development at the KIT with EUR 2.85 million. Fundamental research in this area is aimed among others at making use of this new type of material for universal protective coatings.

Press Release 147/2014
Ceremony of key handover for the new building of Helmholtz Institute Ulm (Photo: Elvira Eberhardt, University Ulm)New Research Building for the Helmholtz Institute Ulm

October 31, 2014

Opening Ceremony in the Presence of the Federal Minister of Research Wanka and State Minister of Research Bauer

At the Helmholtz Institute Ulm for Electrochemical Energy Storage (HIU), scientists conduct research into efficient battery systems and new materials for future batteries to be used for the Energiewende. To offer the researchers optimal prerequisites for their work, the State of Baden-Württemberg erected a new building with modern laboratory equipment in Ulm. The building with a funding volume of EUR 12 million has an area of 2400 m2 accommodating laboratories and offices. As the HIU is a Helmholtz institution, its operation is funded by the Federation and the State of Baden-Württemberg at a ratio of 90 to 10.

Press Release 145/2014
Christian Koos is awarded this year’s State Prize for Applied Research (photo: Markus Breig, KIT).2014 State Research Prize Awarded to Christian Koos

October 29, 2014

Professor Christian Koos of the Karlsruhe Institute of Technology (KIT) is awarded this year’s Baden-Württemberg State Prize for Applied Research. Minister for Science, Research, and Art, Theresia Bauer, made the announcement in Stuttgart today. Koos conducts research on nanophotonic components and novel techniques of optical high-speed communication. Together with colleagues of the Ecole Polytechnique Fédérale de Lausanne (EPFL) he and his team succeeded in transmitting a data stream of 1.44 terabit per second – corresponding to the data volume of more than 100 million telephone calls – using a miniaturized frequency comb as an optical source.

Press Release 143/2014
Mechanical invisibility cloak: Metamaterials protect objects on the lower side from touching. (Photo: T: Bückmann / KIT)Elastic Invisibility Cloak Allows to Hide from Touching

June 19, 2014

In the past years, invisibility cloaks were developed for various senses. Objects can be hidden from light, heat or sound. However, hiding of an object from being touched still remained to be accomplished. KIT scientists have now succeeded in creating a volume in which an object can be hidden from touching similar to a pea under the mattress of a princess. The results are now presented in the renowned Nature Communications journal. (DOI: 10.1038/ncomms5130)

Press Release 086/2014
Wilhelm Pfleging (right) and Johannes Pröll (left). Authors also include Robert Kohler (KIT).KIT Laser Group Wins SPIE 2014 Green Photonics Award

February 14, 2014

The 2014 Green Photonics Award in Laser-assisted Manufacturing and Micro/Nano Fabrication (LASE conference 8968) was awarded to the KIT laser group for "Laser generated microstructures in tape cast electrodes for rapid electrolyte wetting: new technical approach for cost efficient battery manufacturing".

The Prism Award 2014 is awarded to Dr. Michael Thiel, Martin Hermatschweiler, Prof. Martin Wegener, and Dr. Wanyin Cui (from left to right, Nanoscribe)KIT Spinoff Wins ”Prism Award 2014“

February 6, 2014

Nanoscribe GmbH, a spinoff of the Karlsruhe Institute of Technology (KIT), has won the renowned Prism Award 2014. It is granted annually by the International Society for Optics and Photonics SPIE for outstanding innovations in photonics. Nanoscribe has been granted the award for a printer based on 3D laser lithography.

Press Release 017/2014
Professor Oliver Kraft, Director of the KIT Institute for Applied Materials (IAM). (Photo: Markus Breig/KIT)Oliver Kraft Is Elected President of the Materials Research Society

October 28, 2013

For the first time during the 40 years of its existence, the renowned Materials Research Society (MRS) has elected a non-American as its president: The KIT materials researcher Professor Oliver Kraft will be Vice President of the MRS in 2014 and MRS President in 2015. At KIT, Oliver Kraft is Director of the Institute for Applied Materials (IAM) and holds the Robert Bosch Professorship for Nanostructured Functional Materials.

Press Release 135/2013
By means of lipid dip-pen nanolithography (L-DPN), lipid membranes are written directly onto the two-dimensional carbon graphene. (Graphics: Hirtz/Nature Communications)Nanoscaled Tip Writes Artificial Cell Membranes

October 10, 2013

Researchers around Dr. Michael Hirtz from Karlsruhe Institute of Technology and Dr. Aravind Vijayaraghavan from the University of Manchester have developed a new method to produce artificial membranes: Using a nanoscaled tip, they write tailored patches of phospholipid membrane onto a graphene substrate. The resulting biomimetic membranes, i.e. membranes simulating biological structures, allow for the specific investigation of functions of cell membranes and the development of novel applications in medicine and biotechnology, such as biosensors.

Press Release 127/2013
OLED emit homogeneous planar light and may be applied to flexible carrier materials. (Photo: Ralph Eckstein)OLED – Light-emitting Flexible Surfaces

September 4, 2013

The “cyFLEX” project is aimed at adapting materials for organic light-emitting diodes (OLED) to printing and coating processes. Printed OLED might be used for future production of luminous packagings, labels, and billboards. cyFLEX is carried out by the Light Technology Institute (LTI) of KIT in cooperation with cynora GmbH and covers the complete chain of values added from the material to the component.

Press Release 112/2013
Nature: Watching Molecule Movements in Live CellsNature: Watching Molecule Movements in Live Cells

July 23, 2013

The newly developed STED-RICS microscopy method records rapid movements of molecules in live samples. By combining raster image correlation spectroscopy (RICS) with STED fluorescence microscopy, researchers of Karlsruhe Institute of Technology (KIT) opened up new applications in medical research, e.g. analyzing the dynamics of cell membranes at high protein concentrations. This method is now presented in Nature Communications (doi: 10.1038/ncomms3093).

Press Release 099/2013
The Smallest Puzzle in the WorldThe Smallest Puzzle in the World

July 8, 2013

Three pieces of less than 1 mm in size each may be put together to the probably smallest puzzle in the world. For production, researchers used LIGA2.X, a new process to manufacture microstructured casting molds at KIT’s ANKA synchrotron source. Inexpensive series production is combined with highest precision on the microscale to produce e.g. components in watches, engines, or medical products. Now, large series of smallest parts can be injection-molded with highest accuracy.

Press Release 091/2013
KIT logoNANOMICRO is now STN

May 14, 2013

The Helmholtz Programme NANOMICRO has a new name: Science and Technology of Nanosystems (STN). The increasing miniaturization and progress in integrating results of nanoscience and nanotechnology into nanoscale systems observed in recent years will be strategically focused to support the implementation of upcoming scientific results into applications relevant to societal needs.

A new structure of programme topics is currently being prepared and will come into effect in the funding period 2015-2019. The core concept behind programme-oriented funding of the Helmholtz Association is the strategic financing of research based on competitive reviews. The next review for STN will be in early 2014.

Two parallel free-standing waveguides made of polycrystalline diamond serve as mechanical resonators. Optical fields (red/blue) are observed to propagate inside of them. (KIT/CFN/Pernice)Diamond as a Building Material for Optical Circuits

April 10, 2013

The application of light for information processing opens up a multitude of possibilities. However, to be able to adequately use photons in circuits and sensors, materials need to have particular optical and mechanical properties. Researchers at the Karlsruhe Institute of Technology (KIT) have now for the first time used polycrystalline diamond to manufacture optical circuits and have published their results online in Nature Communications (DOI: 10.1038/ncomms2710).

Press Release 047/2013
The single-photon detector is characterized by five convincing factors: 91% detection efficiency; direct integration on chip; counting rates on a Gigahertz scale; high timing resolution and negligible dark counting rates. Source: KIT/CFN.Emmy Noether Research Group Leader Wolfram Pernice Achieves Breakthrough at KIT in Building an Efficient Single-photon Detector

21 January 2013

Ultrafast, efficient, and reliable single-photon detectors are among the most sought-after components in photonics and quantum communication, which have not yet reached maturity for practical application. Physicist Dr. Wolfram Pernice of the Karlsruhe Institute of Technology (KIT), in cooperation with colleagues at Yale University, Boston University, and Moscow State Pedagogical University, achieved the decisive breakthrough by integrating single-photon detectors with nanophotonic chips. The detector combines near-unity detection efficiency with high timing resolution and has a very low error rate. The results have been published by Nature Communications (doi:10.1038/ncomms2307).

Press Release 011/2013
Structure of SURMOF 2 metal-organic frameworks: The pore size may reach up to three times three nanometers. (Figure: Dr. Jinxuan Liu, IFG)KIT Researchers Develop New Method to Produce Metal-organic Frameworks

5 December 2012

Researchers of the KIT Institute of Functional Interfaces (IFG), Jacobs University Bremen, and other institutions have developed a new method to produce metal-organic frameworks (MOFs). By means of the so-called liquid-phase epitaxy, the scientists succeeded in producing a new class of MOFs with a pore size never reached before. These frameworks open up interesting applications in medicine, optics, and photonics. The new class of MOFs, called “SURMOF 2”, is presented in the “Nature Scientific Reports” journal.

Press Release 188/2012
Photonic Wire Bond Transmits Data in the Terabit RangeOptical Waveguide Connects Semiconductor Chips

17 September 2012

A team of KIT researchers directed by Professor Christian Koos has succeeded in developing a novel optical connection between semiconductor chips. “Photonic wire bonding” reaches data transmission rates in the range of several terabits per second and is suited perfectly for production on the industrial scale. In the future, this technology may be used in high-performance emitter-receiver systems for optical data transmission and, thus, contribute to reducing energy consumption of the internet. The scientists published their results in the journal “Optics Express“.

Press Release 140/2012
“Self-organization” of nano-devices: Magnetic molecules (green) arrange on a carbon nanotube (black) to build an electronic component (Photo: C. Grupe, KIT). Self-assembling Electronic Nano-components

June 20, 2011

The July issue of Nature Materials describes the function of an innovative tiny component developed by researchers of KIT’s Institute of Nanotechnology together with a team of European scientists.

Press Release 101/2011

KIT strengthens research in applications for nanostructured functional materials. (Photo: Christian Gruppe)Bosch Group Funds Professorship for Nanostructured Funktional Materials

May 17, 2011

Research on function, stability and reliability of nano materials and future nano products will be funded during the next 10 years with 500.000 Euro per annum. The effects of nano materials shall be exploited for applications in photovoltaics, energy storage and energy transformation. Robert Bosch Endowed Chair for Nanostructured Functional Materials is Prof. Dr. Oliver Kraft at the Institute of Applied Materials at KIT. The funding of the professorship is part of the „Bosch InterCampus Program“ on the occasion of Bosch's 125th anniversary.

Press Release 078/2011
(in German)