Photocurrent properties of freely suspended carbon nanotubes under uniaxial strain

S. M. Kaniber; L. Song; J. P. Kotthaus; A. W. Holleitner

doi:10.1063/1.3159472

Photocurrent properties of freely suspended carbon nanotubes under uniaxial strain

S. M. Kaniber, L. Song, J. P. Kotthaus, A. W. Holleitner

Chair of Nanotechnology and Nanomaterials

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Abstract

The photocurrent properties of freely suspended single-walled carbon nanotubes (CNTs) are investigated as a function of uniaxial strain. We observe that at low strain, the photocurrent signal of the CNTs increases for increasing strain, while for large strain, the signal decreases, respectively. We interpret the nonmonotonous behavior by a superposition of the influence of the uniaxial strain on the resistivity of the CNTs and the effects caused by Schottky contacts between the CNTs and the metal contacts.

Original language	English
Article number	261106
Journal	Applied Physics Letters
Volume	94
Issue number	26
DOIs	https://doi.org/10.1063/1.3159472
State	Published - 2009

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title = "Photocurrent properties of freely suspended carbon nanotubes under uniaxial strain",

abstract = "The photocurrent properties of freely suspended single-walled carbon nanotubes (CNTs) are investigated as a function of uniaxial strain. We observe that at low strain, the photocurrent signal of the CNTs increases for increasing strain, while for large strain, the signal decreases, respectively. We interpret the nonmonotonous behavior by a superposition of the influence of the uniaxial strain on the resistivity of the CNTs and the effects caused by Schottky contacts between the CNTs and the metal contacts.",

author = "Kaniber, {S. M.} and L. Song and Kotthaus, {J. P.} and Holleitner, {A. W.}",

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AU - Holleitner, A. W.

PY - 2009

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N2 - The photocurrent properties of freely suspended single-walled carbon nanotubes (CNTs) are investigated as a function of uniaxial strain. We observe that at low strain, the photocurrent signal of the CNTs increases for increasing strain, while for large strain, the signal decreases, respectively. We interpret the nonmonotonous behavior by a superposition of the influence of the uniaxial strain on the resistivity of the CNTs and the effects caused by Schottky contacts between the CNTs and the metal contacts.

AB - The photocurrent properties of freely suspended single-walled carbon nanotubes (CNTs) are investigated as a function of uniaxial strain. We observe that at low strain, the photocurrent signal of the CNTs increases for increasing strain, while for large strain, the signal decreases, respectively. We interpret the nonmonotonous behavior by a superposition of the influence of the uniaxial strain on the resistivity of the CNTs and the effects caused by Schottky contacts between the CNTs and the metal contacts.

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VL - 94

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Photocurrent properties of freely suspended carbon nanotubes under uniaxial strain

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