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In Situ TEM Observation of Twinning, Detwinning and Retwinning in Quartz

  • E. TochigiEmail author
  • E. Zepeda
  • H.-R. Wenk
  • A. M. Minor
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)

Abstract

Quartz nanopillars were fabricated by focused ion beam technique from a natural crystal. The nanopillars were deformed by in situ compression test in a transmission electron microscope. During loading and unloading operations, nucleation, extension and contraction of Dauphiné twins were observed in a pillar. The twinning phenomena appear to include a memory effect, where the same twin can reappear upon successive loading and unloading events. We discuss the twinning phenomena with mechanical data taken during the compression test.

Keywords

Quartz Twinning In situ TEM Compression 

Notes

Acknowledgements

The authors acknowledge support of the National Center for Electron Microscopy, Lawrence Berkeley National Laboratory, which is supported by the U.S. Department of Energy under Contact # DE-AC02-05CH11231. ET was supported by JSPS Postdoctoral Fellowships for Research Abroad and “Nanotechnology Platform” (project No.12024046) of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan. HRW acknowledges support from National Science Foundation (EAR 1343908) and DOE-BES (DE-FG02-05ER15637).

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Copyright information

© The Society for Experimental Mechanics, Inc. 2016

Authors and Affiliations

  • E. Tochigi
    • 1
    Email author
  • E. Zepeda
    • 2
  • H.-R. Wenk
    • 2
  • A. M. Minor
    • 3
    • 4
  1. 1.Institute of Engineering InnovationThe University of TokyoTokyoJapan
  2. 2.Department of Earth & Planetary ScienceUniversity of CaliforniaBerkeleyUSA
  3. 3.Department of Materials Science & EngineeringUniversity of CaliforniaBerkeleyUSA
  4. 4.National Center for Electron Microscopy, Molecular FoundryLawrence Berkeley National LaboratoryBerkeleyUSA

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