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  • 1990-1994  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    The activation energy for γ-Fe precipitates inCuFe (1990)
    Springer
    Hyperfine interactions 54 (1990), S. 811-816 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The precipitation of the fcc γ-phase of iron has been studied by a systematic series of isothermal and isochronal (0–48 h) heat treatments (300–800°C) on a supersaturated solution ofCuFe containing 3 at% Fe. The optimal conditions (450–600°C) for precipitation of the maximum fraction (90%) of iron attainable within 48 h in the form of γ-Fe have been delineated from analysis of the room temperature spectra. The time dependence for formation of γ-Fe precipitates is well described by the equation for long term annealing. An activation energyE a ≈0.6 eV for the formation of γ-Fe in Cu is obtained. It indicates short range rather than long range diffusion in theCuFe sample studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02396133
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    ESR measurements on hydrogenated Zr2Ni (1990)
    Springer
    Hyperfine interactions 60 (1990), S. 813-816 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract X-band magnetic resonance measurements have been carried out on Zr2NiHx (x=0–5). The room temperature results indicate the presence of Ni atom clusters which form during the hydrogenation process. The intensity of the resonance signal depends on the hydrogenation treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02399876
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    Paper (German National Licenses)
    Fulltext
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