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Topology-change surgery for crystals

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Title: Topology-change surgery for crystals
Authors: Matsuura, T. Browse this author
Tsuneta, T. Browse this author
Kumagai, G. Browse this author
Tsubota, M. Browse this author
Matsuyama, T. Browse this author
Tanda, S. Browse this author
Issue Date: 1-May-2011
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 83
Issue: 17
Start Page: 174113
Publisher DOI: 10.1103/PhysRevB.83.174113
Abstract: We performed the topology-change surgery for ring-shaped crystals of tantalum triselenide (TaSe3) to investigate the interplay between the closed-ring topology and elasticity/plasticity of the crystals. We cut the TaSe3 rings using a focused ion beam and observed that the curvatures of the open rings increased from their initial curvatures. We found that a change in the radius is proportional to inverse square of the thickness of the crystals, which corresponds to an inhomogeneous distribution of edge dislocations. From the distribution, we suggest the existence of cylindrical domain walls in the ring-shaped crystals as a result of the crystal topology.
Rights: ©2011 American Physical Society
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 丹田 聡

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