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  • 61.80  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    The relationship between void size and positron lifetime in neutron irradiated molybdenum (1977)
    Springer
    Applied physics 12 (1977), S. 187-189 
    Details
    ISSN: 1432-0630
    Keywords: 78.70 ; 61.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract A number of molybdenum specimens, each containing a characteristic void size spectrum, have been subjected to positron lifetime measurements. Although the average void size varied in radius from 9 Å to 45 Å the long positron lifetime in the specimens was remarkably constant with τ2 = 465±5 ps. Therefore for the range of void sizes examined, this parameter appears to be independent of the void size.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00896146
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of impurities on the lifetime of positrons in voids in molybdenum (1977)
    Springer
    Applied physics 12 (1977), S. 183-185 
    Details
    ISSN: 1432-0630
    Keywords: 78.70 ; 61.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Following the work of Thrane, Petersen and Evans which showed that positron lifetimes for voids in molybdenum were independent of void size, it seemed necessary to re-examine earlier results where larger positron lifetimes had been obtained during the annealing of specimens containing voids. This paper outlines the problem and presents the result of an experiment pointing strongly to impurity effects being responsible for the increased values of τ2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00896145
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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