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  • 1990-1994  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Clustering aspects of light exotic nuclei (1994)
    Springer
    The European physical journal 349 (1994), S. 285-290 
    Details
    ISSN: 1434-601X
    Keywords: 25.60.H−v ; 21.45.+v
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The discovery of light nuclei with neutron halos has opened new perspectives for nuclear structure and a possibility to study genuine few-body aspects of matter. A number of borromean systems where the system is bound but where no binary subsystems are bound, are realized by nature in the context of nuclei,11Li being the nucleus which has had most recent attention. Although a large number of calculations have addressed the detailed structure of the11Li neutron halo, no single model has yet explained all the data presently available. This is in part due to uncertainties in then+9Li interaction. For6He, also a borromean system, where then+core interaction is known, the best three-body and reaction models succeed in reproducing the data. In the11Li case, a major uncertainty concerns the effect of possible 1s intruder states.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01288976
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Crystallization of the metallic glass Fe78B13Si9 (1991)
    Springer
    Journal of materials science 26 (1991), S. 4961-4965 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The microstructures and kinetics with heating for an amorphous Fe78B13Si9 alloy were studied by X-ray diffraction, transmission electron microscopy, differential thermal analysis and differential scanning calorimetry. The first crystallization takes place by the simultaneous formation of α-(Fe,Si) and Fe3B having the shapes of dendrite and spherulite, respectively. Metastable Fe3B then transformed into a stable phase of Fe2B at a higher temperature. The activation energy for crystallization and the Avrami exponent were determined. It was found that crystallization behaviour in Fe78B13Si9 is controlled by nucleation rather than growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00549877
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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