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  • 1
    Electronic Resource
    Electronic Resource
    Transmission electron microscopy study of CdTe(111) grown on GaAs(100) by molecular-beam epitaxy (1990)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 67 (1990), S. 4114-4117 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have used transmission electron microscopy to investigate CdTe(111) grown on GaAs(100) by molecular-beam epitaxy. The loop structure previously observed by photoluminescence microscopy has been identified as the boundary between twinned microcrystallites that extend from the CdTe/GaAs interface to the CdTe surface. When viewed along the growth axis, these boundaries between the columnar twins appear as loops and segments. Surface roughness of the GaAs substrate contributes to the initial growth of twinned material. This leads to competitive growth between the twins and the creation of the observed columnar twins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.344971
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  • 2
    Electronic Resource
    Electronic Resource
    An analysis of fivefold symmetry by microtwinning in rapidly solidified Al-Mn alloys (1986)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 59 (1986), S. 1063-1067 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The properties of small ensembles of cyclically twinned, rhombohedrally distorted face-centered-cubic crystals are examined and shown to be consistent with reported experimentally determined diffraction patterns and images of rapidly solidified Al-Mn alloys exhibiting icosahedral symmetry. Limitations of previously reported refutations of twinning models are discussed. Proposals are made for definitive tests between microtwinning and quasicrystalline models of these structures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.336542
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