Reversible high-pressure carbon nanotube vessel

Ming D. Ma, Jefferson Z. Liu, Lifeng Wang, Luming Shen, Lin Xie, Fei Wei, Jing Zhu, Qianming Gong, Ji Liang, Quanshui Zheng

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8 Citations (Scopus)


Applying a full pressure loop, i.e., loading and unloading, on a nanocrystal with in situ observation remains a challenge to experimentalists up until now. Using a multiwalled carbon nanotube, we realize the pressure
loop acting on a Fe3C nanocrystal with peak value 20 GPa by electron-beam irradiation with in situ observations inside transmission electron microscopy at 500 °C/ambient temperature. Using density-functional theory calculations, we attribute the unloading process to the formation of one dangling-bond single vacancies under the electron-beam irradiation at room temperature. A theoretical model is presented to understand the process and the results agree well with the experimental measurements.
Original languageEnglish
Article number235420
Number of pages5
JournalPhysical Review B
Issue number23
Publication statusPublished - 2010

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