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  • 1
    Electronic Resource
    Electronic Resource
    Boron electrical activation in dual B+ + N+ and B+ + Ar+ ion-implanted silicon (1996)
    Springer
    Applied physics 62 (1996), S. 355-358 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 61.80.Jh; 73.25
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract.  Silicon wafers were implanted with 40 keV B+ ions and then with 50 keV N+ or 100 keV Ar+ ions to doses from 1.2×1014 to 1.2×1015 cm-2. The implanted samples were studied using the Hall effect and standard van der Pauw methods. The dependences of the sheet resistivity and the sheet concentration of charge carriers on the annealing temperature in the range from 700 to 1300 K were obtained. Models describing the influence of additional implantation of nitrogen and argon ions on the process of boron electrical activation during annealing are proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01594233
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    On the redistribution of 6Li+ ions implanted into polypropylene foils (1996)
    Springer
    Applied physics 62 (1996), S. 359-367 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 61.80.Th; 61.40.Km
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract.  6Li+ (150 keV) was implanted into thin polypropylene foils at fluences of 1×1013 to 1×1014 cm-2. Subsequent neutron depth profiling measurements of the Li distributions revealed considerable deviations from the expected ballistic range profiles. This Li redistribution was simulated by a numerical computer calculation. The best fit between measurements and simulations was obtained by assuming that (i) Li redistributes immediately after its ballistic slowing-down, (ii) the Li mobility is enhanced in the radiation-damaged polymer region, the local diffusion enhancement being controlled by the target’s electronic damage, (iii) mobile Li is readily trapped at radiation-induced defects, their density being proportional to the target’s electronic damage, (iv) these traps are saturable ones, and (v) Li migration is not restricted to the ion track region, but proceeds also through the neighboring unirradiated bulk, though with slower speed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01594234
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Precipitation of dissolved alkali salts and fullerenes on surfaces of doped porous matter (1996)
    Springer
    Applied physics 62 (1996), S. 191-195 
    Details
    ISSN: 1432-0630
    Keywords: 81.35 ; 66.30 ; 81.30 ; 61.46
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Standard porcelain samples burnt at different temperatures were doped with LiCl, organo-Li solutions, or with fullerene solution and then dried. The depth profiles of both Li and fullerene were determined. The distributions of the incorporated dopants strongly depend on the samples' porosity. Additional ultrasonic treatment during the diffusion process has a fatal influence on the porcelain structure, resulting in enhanced dopant uptake of the remaining sample. The surface-near shape of the depth profiles is interpreted by solvation, i.e., by precipitation of the dissolved salts or fullerenes in the surface-near zone during the drying process. It is shown that the solvation effect is important only in the case of media with high porosity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01575080
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Influence of energetic ions on grafting to polyethylene (1996)
    Springer
    Applied physics 63 (1996), S. 441-446 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 61.40; 61.80; 66.30; 81.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract.  Li salts of acrylic acid were grafted to poly- ethylene, PE. It is known that li is mobile in this material at room temperature, and hence can act as a probe for newly introduced defects. After irradiation of PE(Li) with 100 keV He+ ions at different fluences the Li depth distributions were measured by NDP. Changes in the Li distributions are observed which are ascribed to bonding at oxygen, the latter one preferentially penetrating into the PE via the irradiation-damaged sample surface. With increasing sample age, i.e. after exposure to ambient atmosphere for more than half a year, Li appears to lose its original mobility.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01571671
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Precipitation of dissolved alkali salts and fullerenes on surfaces of doped porous matter (1996)
    Springer
    Applied physics 62 (1996), S. 191-195 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 81.35; 66.30; 81.30; 61.46
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract.  Standard porcelain samples burnt at different temperatures were doped with LiCl, organo-Li solutions, or with fullerene solution and then dried. The depth profiles of both Li and fullerene were determined. The distributions of the incorporated dopants strongly depend on the samples’ porosity. Additional ultrasonic treatment during the diffusion process has a fatal influence on the porcelain structure, resulting in enhanced dopant uptake of the remaining sample. The surface-near shape of the depth profiles is interpreted by solvation, i.e., by precipitation of the dissolved salts or fullerenes in the surface-near zone during the drying process. It is shown that the solvation effect is important only in the case of media with high porosity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01575080
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Boron electrical activation in dual B+ + N+ + and B+ + Ar+ ion-implanted silicon (1996)
    Springer
    Applied physics 62 (1996), S. 355-358 
    Details
    ISSN: 1432-0630
    Keywords: 61.80.Jh ; 73.25
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Silicon wafers were implanted with 40 keV B+ ions and then with 50 keV N+ or 100 keV Ar+ ions to doses from 1.2 x 1014 to 1.2 x 1015 cm−2. The implanted samples were studied using the Hall effect and standard van der Pauw methods. The dependences of the sheet resistivity and the sheet concentration of charge carriers on the annealing temperature in the range from 700 to 1300 K were obtained. Models describing the influence of additional implantation of nitrogen and argon ions on the process of boron electrical activation during annealing are proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01594233
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    On the redistribution of6Li + ions implanted into polypropylene foils (1996)
    Springer
    Applied physics 62 (1996), S. 359-367 
    Details
    ISSN: 1432-0630
    Keywords: 61.80.Th ; 61.40.Km
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract 6Li+ (150 keV) was implanted into thin polypropylene foils at fluences of 1 x 1013 to 1 x 1014 cm−2. Subsequent neutron depth profiling measurements of the Li distributions revealed considerable deviations from the expected ballistic range profiles. This Li redistribution was simulated by a numerical computer calculation. The best fit between measurements and simulations was obtained by assuming that (i) Li redistributes immediately after its ballistic slowing-down, (ii) the Li mobility is enhanced in the radiation-damaged polymer region, the local diffusion enhancement being controlled by the target's electronic damage, (iii) mobile Li is readily trapped at radiation-induced defects, their density being proportional to the target's electronic damage, (iv) these traps are saturable ones, and (v) Li migration is not restricted to the ion track region, but proceeds also through the neighboring unirradiated bulk, though with slower speed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01594234
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Influence of energetic ions on grafting to polyethylene (1996)
    Springer
    Applied physics 63 (1996), S. 441-446 
    Details
    ISSN: 1432-0630
    Keywords: 61.40 ; 61.80 ; 66.30 ; 81.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Li salts of acrylic acid were grafted to polyethylene, PE. It is known that li is mobile in this material at room temperature, and hence can act as a probe for newly introduced defects. After irradiation of PE(Li) with 100 keV He+ ions at different fluences the Li depth distributions were measured by NDP. Changes in the Li distributions are observed which are ascribed to bonding at oxygen, the latter one preferentially penetrating into the PE via the irradiation-damaged sample surface. With increasing sample age, i.e. after exposure to ambient atmosphere for more than half a year, Li appears to lose its original mobility.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01571671
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    Electrical properties of Au–polystyrene–Au submicron structures (1998)
    Springer
    Applied physics 67 (1998), S. 503-505 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 72.20.-i; 73.60.Ay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003390050811
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    Nanotomographic examinations of ion tracks in cellulose nitrate by ion energy loss spectrometry (1999)
    Springer
    Applied physics 68 (1999), S. 87-91 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 02.90.+p; 61.41.+e; 61.80.Jh; 82.30.Lp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003390050858
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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