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  • 73  (1)
  • Polymer and Materials Science  (1)
  • STRUCTURAL MECHANICS
  • 1975-1979  (2)
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Keywords
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    On the insulating properties of the interfacial layer between ion bombarded-amorphous and crystalline silicon (1977)
    Springer
    Applied physics 13 (1977), S. 255-259 
    Details
    ISSN: 1432-0630
    Keywords: 73
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract After bombarding silicon single crystals with heavy neon ion doses, the resulting amorphous surface layer has been found to be electrically insulated from the underlying bulk material. Current-voltage characteristics indicate the formation of a junction between the crystalline and the damaged layer. As a consequence, the electrical properties of the amorphous layer can be measured at low temperatures up to about 230 K and considerably beyond room temperature, if thick crystal wafers and silicon-on-sapphire (SOS) samples, respectively, are used.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00882889
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Studien zur Verzweigung von Kettenmolekülen. X. Untersuchungen zur Kurzkettenverzweigung des HochdruckpolyethylensIX: Faserforsch. u. Textiltechnik/Z. Polymerforsch. 29 (1978) 521-525. (1979)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 30 (1979), S. 557-562 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The short chain branching in low density polyethylene obtained under various conditions were determined by γ-irradiation followed by gaschromatography of the gaseous scission products. The pressure and temperature of polymerization were found to affect the kind and number of branchings. The branching structure and reaction parameters are related and discussed on a kinetic concept.
    Notes: Die Kurzkettenverzweigung von unter verschiedenen Bedingungen synthetisierten Hochdruckpolyethylenen wurde mit Hilfe der γ-Bestrahlung und nachfolgender gaschromatographischer Analyse der Spaltgase bestimmt. Es wurde experimentell belegt, daß Reaktionsdruck und Polymerisationstemperatur Art und Anzahl der Seitenzweige beeinflussen. Verzweigungsstruktur und Reaktionsparameter werden zueinander in Beziehung gesetzt und auf der Grundlage kinetischer Überlegungen diskutiert.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1979.010300905
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