Geometrically frustrated crystals: Elastic theory and dislocations

被引：9

作者：

Hayashi, M. ^{[1
]}

Ebisawa, H.

Kuboki, K.

机构：

[1] Tohoku Univ, Grad Sch Informat Sci, Aramaki Aoba Ku, Sendai, Miyagi 9808579, Japan

[2] JST, CREST, Kawaguchi, Saitama 3320012, Japan

[3] Kobe Univ, Dept Phys, Kobe, Hyogo 6578501, Japan

来源：

EUROPHYSICS LETTERS | 2006年 / 76卷 / 02期

关键词：

D O I：

10.1209/epl/i2006-10265-7

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Elastic theory of ring-(or cylinder-)shaped crystals is constructed and the physical properties of the edge dislocations due to geometrical frustration (bending) is studied. The analogy to superconducting (or superfluid) vortex state is pointed out and the radius vs. thickness phase diagram of the ring crystal, which shows intriguing behaviors at nanoscales, is discussed. Relation of our theory to the actual experiments on ring crystals is also discussed.

引用

页码：264 / 270

页数：7

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