2006
DOI: 10.1021/ja066719+
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Abstract: The magnetic properties of small diameter semiconducting single-walled carbon nanotubes have been recently predicted to depend sensitively on structural details that can be ignored for larger diameters. We confirm this dependence by directly measuring the magnetic alignment of several species of carbon nanotubes in aqueous suspension using polarized resonant photoluminescence. These data show evidence for asymmetry between nanotube chirality subclasses and are used to construct a model predicting nanotube magn… Show more

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Cited by 20 publications
(32 citation statements)
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(33 reference statements)
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“…In this case, restoration of electrical conductivity resembles a percolation problem and gives very little information about the growth of these regions below the percolation threshold. Future studies might use complementary methods such as Raman scattering, 21 infrared Landau level spectroscopy, 22,23 or magnetic anisotropy 24 to quantify the emergence of graphenelike regions in reduced GO. Optical anisotropy measurements 24 may help to assess the importance of charge transfer transitions, which we have excluded from the discussion here and should have markedly different optical polarization anisotropies when compared to transitions native to the two-dimensional GO plane.…”
Section: -mentioning
confidence: 99%
“…In this case, restoration of electrical conductivity resembles a percolation problem and gives very little information about the growth of these regions below the percolation threshold. Future studies might use complementary methods such as Raman scattering, 21 infrared Landau level spectroscopy, 22,23 or magnetic anisotropy 24 to quantify the emergence of graphenelike regions in reduced GO. Optical anisotropy measurements 24 may help to assess the importance of charge transfer transitions, which we have excluded from the discussion here and should have markedly different optical polarization anisotropies when compared to transitions native to the two-dimensional GO plane.…”
Section: -mentioning
confidence: 99%
“…We also note in passing a combined experimental and theoretical investigation of the helicitydependence of the magnetic susceptibility anisotropy, χ , by Torrens et al [85]. The authors showed that χ shows asymmetry between helical nanotubes of opposite chiral indices ν = ±1.…”
Section: Figure 5 Calculated Chemical Shifts δ Of Isolatedmentioning
confidence: 80%
“…We also note in passing a combined experimental and theoretical investigation of the helicity‐dependence of the magnetic susceptibility anisotropy, Δχ, by Torrens et al 85. The authors showed that Δχ shows asymmetry between helical nanotubes of opposite chiral indices ν = ±1.…”
Section: 13c Nmr Of Infinite Single‐walled Carbon Nanotubesmentioning
confidence: 82%