期刊
JAPANESE JOURNAL OF APPLIED PHYSICS
卷 49, 期 11, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1143/JJAP.49.115103
关键词
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资金
- Ohio Board of Regents
- Ministry of Education, Culture, Sports, Science and Technology of Japan [17686072]
- Grants-in-Aid for Scientific Research [17686072] Funding Source: KAKEN
Oscillation mechanism of carbon nanotubes (CNTs) under various external electric fields is investigated by performing first principles molecular dynamics (MD) calculations on closed and open ended CNTs. From MD calculations we observe that in addition to the strength of the induced dipole moment temperature chirality and moment of inertia of a CNT affect its oscillation frequency We propose a procedure to discriminate CNTs with different moments of inertia and/or chiralities based on their different oscillation frequencies The implication of our results in the process of nanotube insertion into biological cells where the existing field across the cell membrance facilitates CNT penetration is also discussed (C) 2010 The Japan Society of Applied Physics
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