19. Cutting floating single-walled carbon nanotubes with a ‘CO2 blade’.
Abstract : Uniform ultra-short (<100 nm) single-walled carbon nanotubes (SWCNTs) with properties of rich chemistry, high dispersity and easy manipulation...
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18. Entropy driven stability of chiral single-walled carbon nanotubes.
Abstract : Single-walled carbon nanotubes are hollow cylinders that can grow centimeters long via carbon incorporation at the interface with a catalyst. They display semiconducting or metallic characteristics, depending on their helicity, which is determined during their growth...
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17. Growth Modes and Chiral Selectivity of Single-Walled Carbon Nanotubes.
Abstract : Chemical vapor deposition synthesis of single-walled carbon nanotubes, using an Fe catalyst, and alternating methane and carbon monoxide as carbon feedstocks, leads to the reversible formation of junctions between tubes of different diameters...
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16. Magnetism as indirect tool for carbon content assessment in nickel nanoparticles.
Abstract : Chemical vapor deposition synthesis of single-walled carbon nanotubes, using an Fe catalyst, and alternating methane and carbon monoxide as carbon feedstocks, leads to the reversible formation of junctions between tubes of different diameters. Combined with an atomistic modeling of the tube/catalyst interface...
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15. Probing the role of carbon solubility in transition metal catalyzing single-walled carbon nanotubes growth.
Abstract : Metal catalysts supporting the growth of Single Wall Carbon Nanotubes display different carbon solubilities and chemical reactivities. In order to specifically assess the role of carbon solubility, we take advantage of the physical transparency of a tight binding model established for Ni-C alloys, to develop metal carbon models where all properties, except carbon solubility, are similar...
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14. Structural Properties of Double-Walled Carbon Nanotubes Driven by Mechanical Interlayer Coupling
Abstract : Structural identification of double-walled carbon nanotubes (DWNTs) is presented through a robust procedure based on the latest generation of transmission electron microscope, making possible a statistical analysis based on numerous nano-objects...
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13. Linking growth mode to lengths of single-walled carbon nanotubes.
Abstract : Elucidating the key factors that determine the lengths of single-walled carbon nanotubes (SWCNTs) is of great importance for understanding the origin of chiral selectivity. We use transmission electron microscopy to thoroughly investigate as-grown SWCNTs...
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12. Nuclear quantum effects on the thermal expansion coefficient of hexagonal boron nitride monolayer.
Abstract : This work examines the importance of vibrational delocalization on a basic thermomechanical property of a hexagonal boron nitride monolayer, namely its thermal expansion coefficient (TEC). Using a recently parametrized bond-order potential of the Tersoff type...
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11. Size dependent phase diagrams of Nickel-Carbon nanoparticles.
Abstract : The carbon rich phase diagrams of nickel-carbon nanoparticles, relevant to catalysis and catalytic chemical vapor deposition synthesis of carbon nanotubes, are calculated for system sizes up to about 3 nm (807 Ni atoms)...
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10. Interplay between Raman shift and thermal expansion in graphene: Temperature-dependent measurements and analysis of substrate corrections.
Abstract : Measurements and calculations have shown significant disagreement regarding the sign and temperature variations of the thermal expansion coefficient (TEC) of graphene α(T)...
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