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  • Electronic Resource  (2)
  • 2000-2004  (2)
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  • Electronic Resource  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Minimal surfaces with self-intersections along straight lines. II. Surfaces forming three-periodic labyrinths (2000)
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 56 (2000), S. 15-23 
    Details
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: 47 families of minimal surfaces with straight self-intersections have been derived which subdivide R3 into a finite number of congruent three-periodic labyrinths. In most of these cases, namely for 42 families, the number of labyrinths is two. Four congruent labyrinths have been found three times and eight congruent labyrinths twice. Minimal surfaces with three or six labyrinths seem not to exist. Most of these minimal surfaces are non-orientable. The surfaces of three families only are orientable ones.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108767399009137
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A proposal for a transition mechanism from the diamond to the lonsdaleite type (2001)
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. 406-413 
    Details
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: A phase transition between the diamond (Fd\bar3m) and the lonsdaleite types (P63/mmc) may be described as a deformation of a homogeneous sphere packing with three contacts per sphere (type 3/10/o1) in the common subgroup Pnna of Fd\bar3m and P63/mmc. The frequently observed transition between the zinc-blende (F\bar43m) and the wurtzite types (P63mc) may be described in an analogous way as a deformation of a heterogeneous sphere packing in the subgroup Pna21. The proposed model guarantees the three-dimensional connection during the whole transformation process. By this property it is distinguished from other models.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108767301003087
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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