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  • 1985-1989  (5)
Datenquelle
Materialart
Erscheinungszeitraum
Jahr
Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    Use of paraffins as negative-acting electron-sensitive resists (1985)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 58 (1985), S. 1056-1057 
    Details
    ISSN: 1089-7550
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: The effect of generating crosslinks in paraffins by electron impact was utilized to apply these aliphatic hydrocarbons as negative-acting electron-sensitive resists, capable of high structural resolution, anticipated from their low molecular weight. Owing to their chemical stability and relatively high vapor pressure above the melting point, paraffins may be vacuum deposited as thin uniform resist layers. The developing process makes use of the lower vapor pressure of the crosslinked material remaining on the substrate being heated to sublime the unexposed material in vacuum, thus completing an all-dry process.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.336312
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Scanning tunneling microscope combined with a scanning electron microscope (1986)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 57 (1986), S. 221-224 
    Details
    ISSN: 1089-7623
    Quelle: AIP Digital Archive
    Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: We have developed a small scanning tunneling microscope (STM) to be incorporated into a scanning electron microscope (SEM). Vibration isolation and damping is achieved solely with Viton dampers. As a stand-alone unit, a tunnel-gap stability of about 1 A(ring) is reached at atmospheric air pressure without additional sound protection. Stability improves by at least an order of magnitude when incorporated into a SEM.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.1138973
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  • 3
    Digitale Medien
    Digitale Medien
    Fusion-fission of heavy systems (1988)
    Springer
    The European physical journal 330 (1988), S. 295-301 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 25.70.Jj
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The influence of the entrance channel on fission processes was studied by forming the same composite system by two different target-projectile combinations (40Ar+209Bi and56Fe+187Re, respectively). Compound nucleus fission and quasi fission were observed and the analysis was performed in the framework of the extra-extra-push model, which provides a qualitative interpretation of the results; limits for the extra-extra-push threshold are given, but problems with quantitative predictions for the extra-push are noted.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01294873
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  • 4
    Digitale Medien
    Digitale Medien
    Incomplete deep-inelastic scattering in20Ne+197Au collisions at 20 MeV/nucleon (1988)
    Springer
    The European physical journal 330 (1988), S. 303-310 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 25.70.Lm ; 25.70.Np
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Correlations between emission angles and energies of coincidentα-particle projectile-fragment pairs have been measured for the20Ne+197Au system at 390 MeV beam energy. Theα-particles observed close to the direction of the projectile-like fragment were found to result essentially from sequential projectile decay. Starting from the close-geometry data, the contribution of sequentially emittedα-particles was calculated by Monte Carlo simulations for the entire angular range. For deep inelastic events, the measured angular correlations exhibit a spectacular excess over the calculated correlation. This excess is centred close to the beam direction but on the opposite side of it with respect to the detected projectile-like fragment. The correspondingα-particles have velocities around 85% of the projectile velocity indicating emission in an early reaction phase.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01294874
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  • 5
    Digitale Medien
    Digitale Medien
    Rastertunnelmikroskopie an Graphitoberflächen (1987)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 329 (1987), S. 113-115 
    Details
    ISSN: 1618-2650
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary Scanning Tunneling Microscopy experiments on pyrolytic graphite at low voltages V T≈0 reveal an anomalous surface corrugation. It can be understood from the energy dependent corrugation of the local density of states near E F, in good qualitative agreement with theory. The high lateral resolution of 〈 2 Å and the observed giant corrugations seem to be adequately described by models which consider the special structure of the Fermi surface of graphite and its elastic properties.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00469120
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