Journal
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
Volume 16, Issue 3, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssr.202100437
Keywords
flat substrate; multilayer packaging; nanotube; nanotube arrays; transverse compression
Funding
- Russian Foundation for Basic Research
- Department of Science and Technology, Ministry of Science and Technology, Government of India [19-58-45036]
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Research shows that a multilayer packaging of identical single-walled carbon nanotubes with a diameter of over 2.5 nm on a flat substrate is a multistable system, with thickness decreasing as the portion of collapsed nanotubes increases. All stationary states of the package are stable to thermal fluctuations at 300 K.
It is shown by the method of molecular dynamics using a chain model that a multilayer packaging of identical single-walled carbon nanotubes with a diameter of D > 2.5 nm located on a flat substrate is a multistable system. The system has many stationary states, which are characterized by the portion of collapsed nanotubes. The thickness of the package monotonically decreases with an increase in the portion of such nanotubes. For nanotubes with a chirality index (60,0), depending on the portion of collapsed nanotubes, the thickness of the 11-layer package can vary from 12 to 36 nm. All stationary states of the package are stable to thermal fluctuations at T = 300 K. The transverse compression of the package is not elastic; due to the collapse of a part of the nanotubes, it only transfers the package from one stationary state to another with a smaller thickness.
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