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Vanishing act creates a stir in the nanotech world: Sheets made of microscopic carbon fibers seem to disappear when heated

Date:
November 11, 2011
Source:
University of Texas at Dallas
Summary:
Researchers have demonstrated that transparent carbon nanotube sheets, which can have the density of air and the specific strength of steel, can be used to make objects invisible.

Dr. Ali Aliev, a research scientist at UT Dallas, and his colleagues recently demonstrated that transparent carbon nanotube sheets, which can have the density of air and the specific strength of steel, can be used to make objects invisible.

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This invisibility for light oblique to the nanotube sheets is caused by the mirage effect, in which a thermally generated refractive index gradient bends light array from a hidden object.

The paper was published in a recent issue of the journal Nanotechnology. The study was conducted by a research team of the University of Texas at Dallas.

Aliev is a research scientist at Alan G. MacDiarmid NanoTech Institute and adjunct professor at the Physics Department. He performed the experimental part of the work. Dr. Yuri N. Gartstein of the Physics Department performed supporting calculations. Dr. Ray H. Baughman (Robert A. Welch Distinguished Chair in Chemistry and Director of the Alan G. MacDiarmid NanoTech Institute) contributed to the analysis of results and writing.

This research work was supported by Office of Naval Research, NASA, the Air Force Office of Scientific Research and Robert A. Welch Foundation. More about authors can be found at the NanoTech Institute website (http://nanotech.utdallas.edu/).


Story Source:

The above story is based on materials provided by University of Texas at Dallas. Note: Materials may be edited for content and length.


Journal Reference:

  1. Ali E Aliev, Yuri N Gartstein, Ray H Baughman. Mirage effect from thermally modulated transparent carbon nanotube sheets. Nanotechnology, 2011; 22 (43): 435704 DOI: 10.1088/0957-4484/22/43/435704

Cite This Page:

University of Texas at Dallas. "Vanishing act creates a stir in the nanotech world: Sheets made of microscopic carbon fibers seem to disappear when heated." ScienceDaily. ScienceDaily, 11 November 2011. <www.sciencedaily.com/releases/2011/11/111111001111.htm>.
University of Texas at Dallas. (2011, November 11). Vanishing act creates a stir in the nanotech world: Sheets made of microscopic carbon fibers seem to disappear when heated. ScienceDaily. Retrieved March 30, 2015 from www.sciencedaily.com/releases/2011/11/111111001111.htm
University of Texas at Dallas. "Vanishing act creates a stir in the nanotech world: Sheets made of microscopic carbon fibers seem to disappear when heated." ScienceDaily. www.sciencedaily.com/releases/2011/11/111111001111.htm (accessed March 30, 2015).

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