Morphology dependence of radial elasticity in multiwalled boron nitride nanotubes

H. C. Chiu; S. Kim; C. Klinke; E. Riedo

doi:10.1063/1.4751346

Morphology dependence of radial elasticity in multiwalled boron nitride nanotubes

H. C. Chiu, S. Kim, C. Klinke, E. Riedo^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

We report on the measurement of the radial modulus of boron nitride nanotubes (BN-NTs) with various sizes and thicknesses. These BN-NTs are radially much stiffer than previously reported thinner and smaller BN-NTs. Here, we show the key role of the morphology of the nanotubes in determining their radial rigidity; in particular, we find that the external and internal radii, R _ext and R _int, have a stronger influence on the radial modulus than the nanotube's thickness. The radial modulus decreases nonlinearly with 1/R _ext until reaching, for a large number of layers and a large radius, the transverse elastic modulus of bulk h-BN.

Original language	English
Article number	103109
Journal	Applied Physics Letters
Volume	101
Issue number	10
DOIs	https://doi.org/10.1063/1.4751346
Publication status	Published - 2012 Sept 3
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Morphology dependence of radial elasticity in multiwalled boron nitride nanotubes",

abstract = "We report on the measurement of the radial modulus of boron nitride nanotubes (BN-NTs) with various sizes and thicknesses. These BN-NTs are radially much stiffer than previously reported thinner and smaller BN-NTs. Here, we show the key role of the morphology of the nanotubes in determining their radial rigidity; in particular, we find that the external and internal radii, R ext and R int, have a stronger influence on the radial modulus than the nanotube's thickness. The radial modulus decreases nonlinearly with 1/R ext until reaching, for a large number of layers and a large radius, the transverse elastic modulus of bulk h-BN.",

author = "Chiu, {H. C.} and S. Kim and C. Klinke and E. Riedo",

note = "Funding Information: H.-C.C., S.K., and E.R. acknowledge the financial support of the Office of Basic Energy Sciences of the US Department of Energy DOE (DE-FG02-06ER46293). E.R. also acknowledges the National Science Foundation for partial support. The authors thank Dr. Antonio Pantano and Dr. Ken Gall for useful discussions.",

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AU - Chiu, H. C.

AU - Kim, S.

AU - Klinke, C.

AU - Riedo, E.

N1 - Funding Information: H.-C.C., S.K., and E.R. acknowledge the financial support of the Office of Basic Energy Sciences of the US Department of Energy DOE (DE-FG02-06ER46293). E.R. also acknowledges the National Science Foundation for partial support. The authors thank Dr. Antonio Pantano and Dr. Ken Gall for useful discussions.

PY - 2012/9/3

Y1 - 2012/9/3

N2 - We report on the measurement of the radial modulus of boron nitride nanotubes (BN-NTs) with various sizes and thicknesses. These BN-NTs are radially much stiffer than previously reported thinner and smaller BN-NTs. Here, we show the key role of the morphology of the nanotubes in determining their radial rigidity; in particular, we find that the external and internal radii, R ext and R int, have a stronger influence on the radial modulus than the nanotube's thickness. The radial modulus decreases nonlinearly with 1/R ext until reaching, for a large number of layers and a large radius, the transverse elastic modulus of bulk h-BN.

AB - We report on the measurement of the radial modulus of boron nitride nanotubes (BN-NTs) with various sizes and thicknesses. These BN-NTs are radially much stiffer than previously reported thinner and smaller BN-NTs. Here, we show the key role of the morphology of the nanotubes in determining their radial rigidity; in particular, we find that the external and internal radii, R ext and R int, have a stronger influence on the radial modulus than the nanotube's thickness. The radial modulus decreases nonlinearly with 1/R ext until reaching, for a large number of layers and a large radius, the transverse elastic modulus of bulk h-BN.

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Morphology dependence of radial elasticity in multiwalled boron nitride nanotubes

Abstract

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