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  • 2000-2004
  • 1995-1999  (2)
  • 1985-1989
  • 1970-1974
  • 1950-1954  (2)
  • 1998  (2)
  • 1954  (2)
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  • 2000-2004
  • 1995-1999  (2)
  • 1985-1989
  • 1970-1974
  • 1950-1954  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Transmission electron microscopy investigation of structural properties of self-assembled CdSe/ZnSe quantum dots (1998)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 72 (1998), S. 1329-1331 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: CdSe quantum dots on ZnSe, grown by molecular beam epitaxy and formed during reorganization of an initially uniform film by thermal activation, are microstructurally elucidated in cross section and plan view, using transmission electron microscopy. In diffraction contrast, an almost uniform wetting layer is clearly visible. Dark contrast features with a distinctly larger extension into growth direction mark the location of quantum dots. Individual quantum dots can be identified in high-resolution imaging both by lattice expansion and contrasts arising from their strain fields. Plan-view images show the coexistence of two classes of quantum dots with an average lateral size of ≤10 nm (area density 100 μm−2) and 10–50 nm (20 μm−2), respectively. The shape of the larger entities is pyramidlike. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.120984
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    CuAu-type ordering in epitaxial CuInS2 films (1998)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 73 (1998), S. 785-787 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Ordering of Cu and In atoms in near-stoichiometric CuInS2 epitaxial films grown on Si (111) by molecular beam epitaxy was studied by transmission electron microscopy. Nonchalcopyrite ordering of the metal atoms in CuInS2 is observed, which is identified as CuAu-type ordering. Sharp spots in electron diffraction patterns reveal the ordered Cu and In atom planes alternating along the [001] direction over a long range. High-resolution electron microscopy confirms this ordering. The CuAu-ordered structure coexists with the chalcopyrite ordered structure, in agreement with theoretical prediction. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.122001
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Bemerkungen zu Struktur und Wirkungsbedingungen von Thrombokinase (1954)
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 222 (1954), S. 153-154 
    Details
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00249282
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Zur Entwicklungsgeschichte der Naphtol AS-Farbstoffe (1954)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 66 (1954), S. 429-434 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es wird ein Rückblick auf die vierzigjährige Entwicklung der Naphtol AS-Farbstoffe gegeben, die sich durch eine sehr reichhaltige Palette und große Kombinationsmöglichkeit auszeichnen. Vor allem werden die Besonderheiten ihrer Eigenschaften und deren Variation mit der Art der Substituenten, sowie die Herstellung haltbarer Diazosalze (Echtfärbesalze) behandelt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19540661502
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    Paper (German National Licenses)
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