Finite-size effects on the closest packing of hard spheres

被引：165

作者：

Neser, S ^{[1
]}

Bechinger, C ^{[1
]}

Leiderer, P ^{[1
]}

Palberg, T ^{[1
]}

机构：

[1] UNIV MAINZ, INST PHYS, D-55099 MAINZ, GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.79.2348

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study closely packed crystalline structures formed by slow lateral compression of a colloidal suspension of hard spheres in a thin wedge. In addition to the known sequence of structural transitions, a buckling mechanism was recently proposed to maximize the packing fraction Phi between one and two layers. We here confirm this prediction experimentally and present the first evidence that for more than two layers, buckling, in this case of prism shaped arrays of particles, also takes place. This efficient mechanism may enhance Phi by up to 4% and dominates in major regions of the phase diagram.

引用

页码：2348 / 2351

页数：4

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