Self-assembly of homogeneous systems

被引:0
|
作者
Hauck, J [1 ]
Mika, K [1 ]
机构
[1] Forschungszentrum Julich, Inst Festkorperforsch, D-52425 Julich, Germany
关键词
circle packings; patterns; colloids; lipid monolayers; natural products;
D O I
10.1007/b11650
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The circle packings including non-periodic packings can be analysed for physical and thermodynamic stability for a triangular net with T(4) = 3-6 neighbours at distance d = root7; Two-dimensional structures A(x)B(y) are characterised by the numbers of T(4) neighbours and the ratio r=y/x of vacant/occupied positions of the triangular net. A small number of structures with maximum density p = 6.35/(r + 1) approach natural patterns of sunflower seeds, blackberries, bacteria, colloids, thistles or cactus spines. Two-dimensional patterns can be approached by combinations of the same structural units.
引用
收藏
页码:98 / 103
页数:6
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