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  1. No Access

    Chapter and Conference Paper

    Electron Lifetimes in a 2D Electron-Gas with Rashba SO-Coupling: Screening Properties

    We calculate lifetimes due to electron-electron scattering in a 2D Rashba band structure and study the influence of the substrate screening. A comparison with measurements on the quantum-well system Bi/Cu(111)...

    S. Vollmar, A. Ruffing, S. Jakobs, A. Baral, S. Kaltenborn… in Ultrafast Magnetism I (2015)

  2. No Access

    Article

    Pulsed Laser Deposition of Laterally Graded X-Ray Optical Multilayers on Substrates of Technical Relevance

    Pulsed Laser Deposition (PLD) is used for the preparation of Ni/C, W/C, and Mo/Si multilayers having X-ray optical quality. For the synthesis of layer stacks involving a uniform or a graded thickness distribut...

    R. Dietsch, TH. Holz, R. Krawietz, H. Mai, B. SchÖneich… in MRS Online Proceedings Library (2011)

  3. No Access

    Article

    Large-Area Pulsed Laser Deposition (PLD)

    PLD of uniform thin films on 4”-wafers has been realized by the integration of a PLD-source into a commercial MBE-system. Thickness homogeneity over the total substrate area is obtained by precise spatial cont...

    R. Dietsc, Th. Holzs, H. Mai, M. Panzner, S. Völlmar in MRS Online Proceedings Library (2011)

  4. Article

    Open Access

    Targeting murine heart and brain: visualisation conditions for multi-pinhole SPECT with 99mTc- and 123I-labelled probes

    The study serves to optimise conditions for multi-pinhole SPECT small animal imaging of 123I- and 99mTc-labelled radiopharmaceuticals with different distributions in murine heart and brain and to investigate dete...

    M. Pissarek, J. Meyer-Kirchrath, T. Hohlfeld… in European Journal of Nuclear Medicine and M… (2009)

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  5. No Access

    Chapter and Conference Paper

    Towards a Quality Assurance Protocol for 2D and 3D Breast X-Ray Imaging Techniques

    Commonly accepted Quality Assurance (QA) protocols may be of great help for the medical physicist. This is especially the case for emerging technologies that are potential candidates for breast cancer screenin...

    H. Bosmans, S. Vollmar, K. Lemmens… in World Congress on Medical Physics and Biom… (2009)

  6. No Access

    Article

    PET-based molecular imaging in neuroscience

    Positron emission tomography (PET) allows non-invasive assessment of physiological, metabolic and molecular processes in humans and animals in vivo. Advances in detector technology have led to a considerable i...

    A. H. Jacobs, H. Li, A. Winkeler, R. Hilker… in European Journal of Nuclear Medicine and M… (2003)

  7. No Access

    Article

    Pulsed laser deposition (PLD) — an advanced state for technical applications

    The conventional thin-film deposition equipment of pulsed laser deposition (PLD) has been modified for the preparation of individual thin solid films and nanometer-layer stacks of uniform thickness across 100-...

    R. Dietsch, Th. Holz, H. Mai, M. Panzner, S. Völlmar in Optical and Quantum Electronics (1995)

  8. No Access

    Chapter and Conference Paper

    Ein Modell für die Optimierung der PLD

    In den letzten Jahren hat sich mit der Pulse Laser Deposition (PLD) eine neue Methode der Dünnschichtabscheidung erfolgreich eingeführt, die sich in Ergänzung anderer Abscheideverfahren durch hohe Energien und...

    G. Granse, H. Mai, B. Schultrich, S. Völlmar in Laser in der Technik / Laser in Engineering (1994)

  9. No Access

    Chapter and Conference Paper

    Zwei-Strahl-PLD für Metalle

    Die Bestrahlung von Targets mit Lasern hoher Impulsleistungen (> 105 W) ist hervorragend geeignet, um ein breites Spektrum angeregter Teilchen zu erzeugen, das für die Abscheidung qualitativ hochwertiger Schichte...

    A. Lenk, B. Schultrich, G. Granse… in Laser in der Technik / Laser in Engineering (1994)

  10. No Access

    Chapter and Conference Paper

    Optimierung der Oberflächenbehandlung bei Einwirkung pulsierender oszillierender Laserstrahlung

    Hintergrund der Entwicklung war der Einsatz eines Strahlformungssystems mit zwei Schwingspiegeln (X-Y-Scanner), die den Laserstrahl rechtwinklig zueinander auslenken, an einem gepulst arbeitenden Nd-YAG-Laser....

    D. Lepski, L. Morgenthal, S. Völlmar in Laser in der Technik / Laser in Engineering (1994)

  11. No Access

    Article

    Characterization of multilayer-interfaces by X-ray diffraction, TEM, SNMS and AES

    Prototypes of Ni-C multilayers (up to 40 periods of typically 5 nm thickness) have been prepared by laser pulse vapour deposition (LPVD) and analyzed by a variety of methods. The work showed near normal X-ray ...

    S. Hopfe, N. Kallis, H. Mai, W. Pompe… in Fresenius' Journal of Analytical Chemistry (1993)

  12. No Access

    Article

    Peculiarities of AES-depth profiling results from multilayered X-ray monochromators

    Layered synthetic microstructures (LSM) used in soft X-ray spectroscopy have been prepared by laser pulse vapour deposition (LPVD) and characterized by X-ray diffraction and various microanalytical techniques....

    J. Klosowski, H. Mai, G. Oertel, M. Procop… in Fresenius' Journal of Analytical Chemistry (1991)