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.
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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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Tochigi, E., Zepeda, E., Wenk, HR., Minor, A.M. (2016). In Situ TEM Observation of Twinning, Detwinning and Retwinning in Quartz. In: Prorok, B., Starman, L. (eds) MEMS and Nanotechnology, Volume 5. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-22458-9_5
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DOI: https://doi.org/10.1007/978-3-319-22458-9_5
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-22457-2
Online ISBN: 978-3-319-22458-9
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