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  1. No Access

    Article

    Stability of two-dimensional nanostructures

    We investigate atomic and molecular nanostructures on metal surfaces by variable low-temperature scanning tunnelling microscopy. In combination with molecular dynamics calculations we achieve a detailed unders...

    K. Morgenstern, E. Laegsgaard, I. Stensgaard, F. Besenbacher… in Applied Physics A (1999)

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    Article

    Comparative study of methods for measuring. the apparent barrier height on an atomic scale

    L. Olesen, E. Laegsgaard, I. Stensgaard, F. Besenbacher in Applied Physics A (1998)

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    Chapter and Conference Paper

    Sixa: The Solid State Spectrometer Array Onboard Spectrum-X-Gamma

    The SPECTRUM — X-GAMMA mission is being developed by the Space Research Institute (IKI), USSR, together with many other countries and is scheduled for launch in 1993 ( Sunyaev,1990; Schnopper,1990). Mission ob...

    O. Vilhu, H. Sipilä, V. J. Kämäräinen, I. Taylor… in Observatories in Earth Orbit and Beyond (1990)

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    Chapter

    Neutrino Mass Experiments

    The current status of experiments to determine the mass of the different kinds of neutrinos is given in Table 1. The most stringent results are available for the electron antineutrino mass, results that are co...

    B. Jonson, J. U. Andersen, G. J. Beyer, G. Charpak… in Electroweak Effects at High Energies (1985)

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    Chapter

    Channeling Radiation — Quantum Theory

    A general introduction to channeling and channeling radiation is followed by a derivation of a wave equation for the transverse motion of a channeled particle. Owing to the predominance of forward scattering, ...

    J. U. Andersen, E. Bonderup, E. Laegsgaard in Coherent Radiation Sources (1985)

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    Chapter

    Axial Dechanneling, II. An Experimental Study

    Multiple scattering of channeled, positive particles may be described by a diffusion-like equation [1–3] with a diffusion function D(E⊥) which varies strongly with transverse energy. At low transverse energy, the...

    M. J. Pedersen, J. U. Andersen, D. J. Elliott, E. Laegsgaard in Atomic Collisions in Solids (1975)