Probing the continuous radio frequency spectrum of water relaxation using a carbon nanotube

H. T. Kim; D. W. Kim; J. S. Hwang; J. S. Shin; D. Whang; D. Ahn; S. W. Hwang

doi:10.1088/0953-8984/23/7/07220

Probing the continuous radio frequency spectrum of water relaxation using a carbon nanotube

H. T. Kim, D. W. Kim, J. S. Hwang, J. S. Shin, D. Whang, D. Ahn, S. W. Hwang

School of Electrical and Computer Engineering

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

Abstract

We have obtained the continuous radio frequency spectrum of water molecule relaxation using carbon nanotubes (CNT) as a high-speed nanoprobe. Three sets of characteristic time scales are clearly identified. Two sets are attributed to the electric-field-driven polarization of water molecules bound to CNTs and the collective relaxation of water layers in the vicinity of CNTs, respectively. The third set is appreciable only in air, and can be related to triplet oxygen relaxation.

Original language	English
Article number	72201
Journal	Journal of Physics Condensed Matter
Volume	23
Issue number	7
DOIs	https://doi.org/10.1088/0953-8984/23/7/07220
State	Published - 23 Feb 2011

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abstract = "We have obtained the continuous radio frequency spectrum of water molecule relaxation using carbon nanotubes (CNT) as a high-speed nanoprobe. Three sets of characteristic time scales are clearly identified. Two sets are attributed to the electric-field-driven polarization of water molecules bound to CNTs and the collective relaxation of water layers in the vicinity of CNTs, respectively. The third set is appreciable only in air, and can be related to triplet oxygen relaxation.",

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AU - Whang, D.

AU - Ahn, D.

AU - Hwang, S. W.

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AB - We have obtained the continuous radio frequency spectrum of water molecule relaxation using carbon nanotubes (CNT) as a high-speed nanoprobe. Three sets of characteristic time scales are clearly identified. Two sets are attributed to the electric-field-driven polarization of water molecules bound to CNTs and the collective relaxation of water layers in the vicinity of CNTs, respectively. The third set is appreciable only in air, and can be related to triplet oxygen relaxation.

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Probing the continuous radio frequency spectrum of water relaxation using a carbon nanotube

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