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Sektion Physik der CAU Kiel

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    auf den Seiten der Sektion Physik der Mathematisch-Naturwissenschaftlichen Fakultät der CAU Kiel.

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DOSIS zurück in Kiel

23.01.2015

CAU verbessert Strahlenmessgerät für nächste Weltraummission. 

Discovery of a spontaneous atomic-scale magnetic skyrmion lattice in two dimensions

23.01.2015

Skyrmions are topologically protected field configurations with particle-like properties which play an important role in various fields of science ranging from elementary particles to condensed matter physics. Particularly exciting was the recent discovery of skyrmions in magnetism observed in a special class of magnetic bulk alloys: MnSi, FeGe, and CoFeSi. In these systems a lattice of skyrmions on the scale of 20 to 90 nm was induced by an external magnetic field. In contrast, the group of Stefan Heinze in collaboration with colleagues from the University of Hamburg and the Forschungszentrum Jülich now reports in Nature Physics the observation of an atomic-scale magnetic skyrmion lattice as the spontaneous ground state of an ultra-thin film on a surface. This discovery opens new vistas to locally probe and manipulate the static, dynamic, and spin transport properties of topologically protected spin textures at surfaces or interfaces.
 
Image: Courtesy of M. Menzel (Univ. Hamburg

Poster Prize for Gerald Rohde

23.01.2015

At the Summer School ‘Exciting Excitations: From Methods to Understanding’, organized by the SFB 616: Energy Dissipation at Surfaces /University of Essen-Duisburg, Gerald Rohde, diploma student in Professor Bauers's group, was awarded a best poster prize. Gerald presented most recent data on the ultrafast dynamics of hot carriers in graphite and graphene as probed with ultrashort light pulses in the XUV spectral regime. The results were obtained in a close collaboration with the group of Prof. L. Kipp/PD K. Rossnagel.

IEAP und ITAP schreiben Frauenförderung groß

23.01.2015

Dank der Unterstützung der DFG im Rahmen des Sonderforschungsbereiches TR-24 können vom 17. bis zum 20. August erstmals die Physik-Projekt-Tage in der Sektion Physik der CAU Kiel stattfinden. 60 Schülerinnen aus ganz Schleswig-Holstein werden in kleinen Gruppen Forschungsprojekte durchführen und so einmal Forschungsluft schnuppern. Weitere Details zu den PPT2011, den Projekten und der Idee dahinter finden Sie unter www.ppt2011.de .

Posterpreis für Jan Carstensen

23.01.2015

Auf der "International Conference on the Physics of Dusty Plasma" wurde Jan Carstensen mit dem 'Best Poster Presentation Award' für sein Poster 'Analysis of Dust Trajectories a high Precision Diagnostic' ausgezeichnet. Das Poster fasst die bisher im Rahmen seiner Promotion in der Arbeitsgruppe Plasmadynamik (Prof. A. Piel) im Sonderforschungsbereich SFB-TR24 Greifwald-Kiel entwickelten verfeinerten Methoden zur Untersuchung der Staubdynamik in unmagnetisierten und magnetisierten staubigen Plasmen zusammen. Mit der Lieferung des 'cryofreien' 4-Tesla-Magneten 'Suleiman' im März 2011 stehen Jan Carstensen im Projekt A2 nun neue Möglichkeiten offen, seine Analysemethoden in einem weitgehend unerforschten Bereich der Staubigen Plasmen anzuwenden.

Rapid etching X-rayed

23.01.2015

A breakthrough in the study of chemical reactions during etching and coating of materials was achieved by the research group of Olaf Magnussen at the Institute of Experimental and Applied Physics. In collaboration with staff from the European Synchrotron Radiation Facility ( ESRF) in Grenoble, France the team succeeded for the first time in observing atomic-scale behaviour at material surfaces under industrial conditions. For this, the changes in the atomic arrangement at the material's surface were monitored by X-ray diffraction, which required increasing the speed of the measurements more than a hundredfold as compared to previous studies. The results appear as the cover feature in the current issue (23.3.2011) of the renowned Journal of the American Chemical Society.

Phys. Rev. Lett 106(2011)

23.01.2015

In close collaboration with the EPG group at Eindhoven University of Technology we used microparticles under hypergravity conditions, induced by a centrifuge, in order to measure nonintrusively and spatially resolved the electric field strength as well as the particle charge in the collisional rf plasma sheath. The measured electric field strengths demonstrate good agreement with the literature, while the particle charge shows decreasing values towards the electrode. We demonstrate that it is indeed possible to measure these important quantities without changing or disturbing the plasma. The results of these investigations obtained by members of the group "PlasmaTechnology" have been recently published in Phys. Rev. Lett 106(2011), 115002 under the title "Microparticles in a Collisional Rf Plasma Sheath under Hypergravity Conditions as Probes for the Electric Field Strength and the Particle Charge". CCD camera images of a microparticles, confined within the plasma sheath under several hyper-gravity

Ultrafast snapshots of a photo-induced phase transition

23.01.2015

How fast an intense laser pulse can change the electrical state of a solid is revealed by researchers from the Institute of Experimental and Applied Physics in the current edition of Nature. Scientists in the team of Michael Bauer, Kai Rossnagel and Lutz Kipp, together with colleagues from the University of Kaiserslautern and the University of Colorado in Boulder, U.S.A., are following the course of electronic switching processes which occur within fractions of a second. In their time-resolved photoemission experiment using a laser-based light source in the extreme ultraviolet spectral regime, they observe the melting of a periodic charge order in TiSe2 taking place within less than 3*10-14 seconds. Currently, the technique developed for these studies is worldwide unique in its performance and promises in general very new insights into the physics of condensed matter systems on ultrashort time-scales.

Posterpreis für Patrick Sadler

23.01.2015

Auf der Tagung "Plasmatechnologie (PT-15)", die vom 28.02.-02.03.2011 in Stuttgart stattfand, erhielt Patrick Sadler einen Preis für seine Posterpräsentation. Die Tagung wird von der Deutschen Gesellschaft für Plasmatechnologie (DGPT e.V.) veranstaltet und findet alle zwei Jahre statt. Sie widmet sich vorrangig der technischen Anwendung von Plasmen. Patrick Sadler arbeitet in der Gruppe Plasmatechnologie am IEAP und beschäftigt sich vornehmlich mit der Diagnostik von partikelbildenden Plasmen - das Thema seines prämierten Posters war "Diagnostics of particle forming process plasmas".

Controlled metalation of single phthalocyanine molecules

23.01.2015

At the 22th Edgar Lüscher Seminar, in Klosters, Switzerland, Alexander Sperl was awarded a prize for his poster presentation. The meeting covers various aspects of modern physics. Alexander presented the controlled metalation of a single phthalocyanine molecule with the tip of a scanning tunneling microscope. He is currently working towards his Ph.D. in Professor Berndt's group. His research is focussed on single molecule chemistry, which is a key subject of the Sonderforschungsbereich SFB 677.

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Archiv

Phys. Rev. Lett 106(2011)
Ultrafast snapshots of a photo-induced phase transition
Posterpreis für Patrick Sadler
Controlled metalation of single phthalocyanine molecules
Ultraschnelles Schmelzen geordneter Ladungsverteilungen
Poster Prize for Alexander Sperl
Dezember 2010
Auszeichnung Dr. Maik Fröhlich
November 2010
Sensor on Mars Rover to Measure Radiation Environment
Start eines Ballon Experimentes
STEREO/PLASTIC: To boldly look where no man has looked before
Forschungspreis für Prof. Magnussen
Neues Lehrbuch erschienen
PhD student workshop of the DFG priority program "Ultrafast Nanooptics" held in Sehlendorf/Kiel
Chemical Reactivity of graphene
Noise from a Single-Atom Contact
Superfluidity of nonideal bosons with dipole interaction
Nichtlineare Magnetoplasmonen in stark korrelierten Yukawa Plasmen
Licht aus Rauschen
Zum Gedenken an den Künstler Hans-Martin Ihme
Millionenzusage für Forschung mit Synchrotronstrahlung
Was haben Plasmawellen und Glühwürmchen gemeinsam?
Atomic-Scale Control of Electron Transport through Single Molecules
Hohe Anerkennung für Kieler Plasmaphysiker
Spatiotemporal control of nanooptical excitations
März 2010
Die Sonne erforschen
"How Spherical Plasma Crystals Form"
Internationales Astronomiejahr 2009
"Is diffusion anomalous in two-dimensional Yukawa liquids?"
November 2009
Oktober 2009
August 2009
Mai 2009
April 2009
März 2009
Best Poster Prize for Natalia Schneider
Forschern der TU Kaiserslautern und der Uni Kiel gelingt Schlüsselexperiment auf dem Weg zu organischen Computern
Racking up the electron billiards
Internationale Sommerschule über "Komplexe Plasmen"
Juni 2008
Mai 2008
April 2008
"Melting of trapped few particle systems"
Stabilization of the misfit layer compound (PbS)1.13TaS2 by metal cross substitution
Neues Strahlungsfrühwarnsystem für Astronauten der ISS mit Kieler Beitrag
Mechanical Properties of Silk: Interplay of Deformation on Macroscopic and Molecular Length Scales
Spectral Line Shape Variations in Time-Resolved Photoemission from a Solid
Neuigkeiten im Oktober 2007
Kieler Physiker ehren Carl Friedrich von Weizsäcker
Mission zum Mars
Förderverein & Doppelter Erfolg
Akkreditierung der neuen Studiengänge Bachelor und Master
Missionsvorschlag für eine interstellare Raumsonde
Funktion durch Schalten: Neuer SFB 677 bewilligt
Determination of the Hole Lifetime from Photoemission
Aktuelle Ergebnisse der Ag. Bauer
SOHO/CELIAS - STEREO/PLASTIC-SEPT - Workshop in Kiel
ESRF Highlight: Röntenbeugungsuntersuchungen der Ag. Magnussen
Controlled Contact to a C60 Molecule
Aktuelles
Fördergelder
Workshop "Diagnostics and Simulation of Dusty Plasmas"
Structural Properties of Screened Coulomb Balls
Lehrbuch "Introduction to Computational Methods for Many-Body Systems"
Crystallization in Two-Component Coulomb Systems
Sonderforschungsbereich-Transregio 24 "Grundlagen Komplexer Plasmen"
Shot Noise as a Probe of Spin-Polarized Transport through Single Atoms
SMP übertrifft die Erwartungen
Es ist wieder soweit - Saturday Morning Physics
Marsrover Curiosity erreicht Mount Sharp. Kieler Instrument misst neue solare Teilchenereignisse
Familie-Schindler-Förderpreis 2014 an Dr. Sven Bornholdt
Oberstufenschülerinnen experimentieren wieder bei den Physik-Projekt-Tagen
Öffentlicher Abendvortrag - Mittwoch, 3. Sept. 2014 19 Uhr - Von der Kieler Förde zum Mars
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