4.8 Article

Elastic Properties and Buckling of Silicon Nanowires

Journal

ADVANCED MATERIALS
Volume 20, Issue 20, Pages 3919-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200800485

Keywords

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Funding

  1. DOE BES [DE-FG02-07ER46394]
  2. NSF [DMS 0706436]
  3. National Science Council of the Republic of China (Taiwan) [NSC 96-2120-M-007-006]

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The ultrahigh flexibility and strong mechanical toughness of silicon nanowires (SiNWs) is demonstrated using manipulation and measurements on buckled SiNWs in a scanning electron microscope (see figure). The experimental data and calculated results show that the nanowire can bear a large strain (1.5%), much more than the bulk material, while the elastic constant of the NW is similar to that of the bulk.

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