Micro Raman investigation of WS2 nanotubes

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4 Citations (Scopus)

Abstract

Individual WS2 multiwalled nanotubes, 2-3 micron in length, and with 15 - 25 nm diameter were mounted on AFM cantilevers tips. The nanotube orientation along the cantilever cone axis was confirmed by scanning electron microscopy (SEM). Micro-Raman spectra of these individual nanotubes showed similar vibrational frequencies as in the bulk material. The highly anisotropic shape of the nanotubes, however, leads to a strong antenna effect as it is known from single-walled carbon nanotubes. A qualitative assessment of the radiation field screening for polarization perpendicular to the nanombe axis is given.
Original languageEnglish
Pages (from-to)349-352
Number of pages4
JournalElectronic Properties Of Novel Nanostructures
Volume786
Publication statusPublished - 2005
Event19th International Winterschool and Euroconference on Electronic Properties of Novel Materials - Kirchberg, AUSTRIA
Duration: 12 Mar 200519 Mar 2005

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