Single-walled carbon nanotubes enable quantum device operation by supporting one-dimensional electron transport with reduced scattering, allowing controlled charge confinement, ballistic conduction, and tunable electronic states at nanometer scales.
Single-walled carbon nanotubes exhibit quantized electronic behavior due to their one-dimensional structure, high carrier mobility, and tunable bandgap determined by chirality. These properties allow them to function as conductive channels, quantum wires, or semiconducting elements in nanoscale electronic systems.
Charge transport occurs primarily through ballistic or quasi-ballistic conduction along the nanotube axis. Reduced phonon scattering and strong π–π orbital overlap enable electrons to propagate with minimal energy loss. Under electric field or gate modulation, carrier density and transport regime can be precisely controlled.
Non-Applicability: Not suitable for bulk conductive replacement where isotropic conductivity is required.
Unknown / Unverified: Long-term stability of quantum transport under continuous high-field operation remains insufficiently characterized.
Activation Boundary: Quantum transport behavior degrades when nanotube length falls below the electron mean free path or when inter-tube junction resistance dominates.
Information is derived from peer-reviewed nanoelectronics literature, experimental CNT transport studies, and solid-state physics models describing one-dimensional conductors.
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