Nanoscale uniaxial pressure effect of a carbon nanotube bundle on tip-enhanced near-field Raman spectra.
In situ measurement of tip-enhanced near-field Raman spectra of an isolated single-wall carbon nanotube (SWNT) bundle has been demonstrated by applying a uniaxial pressure up to approximately 2 GPa to the bundle via a metal-coated atomic force microscope tip. We investigated the pressure dependences of Raman frequencies and the intensity of the radial breathing mode bands, the D-band and the G-band, which were related to deformation of SWNTs caused by the tip pressure.
Yano
Taka-aki
TA
Department of Applied Physics and Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka 565-0871, Japan.
Inouye
Yasushi
Y
Kawata
Satoshi
S
D016880:Anisotropy; D004548:Elasticity; D018625:Microscopy, Atomic Force / Q000379:methods*; D008968:Molecular Conformation; D009038:Motion; D037742:Nanotubes, Carbon / Q000737:chemistry* / Q000648:ultrastructure*; D011312:Pressure; D013059:Spectrum Analysis, Raman / Q000379:methods*; D013314:Stress, Mechanical
D037742:Nanotubes, Carbon