Would diamond nanorods be stronger than fullerene nanotubes?

Sydney O'Connell asked a question: Would diamond nanorods be stronger than fullerene nanotubes?
Asked By: Sydney O'Connell
Date created: Sun, Mar 21, 2021 9:16 PM

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Those who are looking for an answer to the question «Would diamond nanorods be stronger than fullerene nanotubes?» often ask the following questions:

👉 Quick answer: are carbon nanotubes stronger than diamond?

Are carbon nanotubes stronger than diamond? It is well-known since the late 20th-century that there’s a form of carbon that’s even harder than diamonds: carbon nanotubes. Each individual nanotube is only between 2 and 4 nanometers across, but each one is incredibly strong and tough.

👉 What are aggregated diamond nanorods?

Aggregated diamond nanorods, or ADNRs, are a nanocrystalline form of diamond, also known as nanodiamond or hyperdiamond.

👉 Are teeth stronger than diamond?

According to the Mohs Hardness Scale, tooth enamel earns a 5. That means it's about as hard, or harder, than steel. For reference, diamonds are the strongest substance on earth, ranking 10 on the Mohs scale.

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On the basis of literature ab initio data, we show that diamond nanorods would have a brittle fracture force and a zero strain stiffness that exceeds carbon nanotubes for radii greater than about 1−3 nm, depending on the orientation of the diamond nanorod.

of diamond nanorods is predicted by molecular modeling to be comparable to single-walled carbon nanotubes. It is concluded that diamond nanorods represent an important and viable target structure for synthesis. With its exceedingly high bulk modulus and hardness, diamond has historically been considered the strongest material. Recently, however, it has been claimed based on both theory and experiment that carbon nanotubes are both stiffer and stronger along their axis than diamond.

adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

It is concluded that diamond nanorods represent an important and viable target structure for synthesis. With its exceedingly high bulk modulus and hardness, diamond has historically been considered the strongest material. Recently, however, it has been claimed based on both theory and experiment that carbon nanotubes are both stiffer and stronger along their axis than diamond.

O. A. Shenderova, D. W. Brenner, and R. Ruoff, “Would Diamond Nanorods be Stronger Than Fullerene Nanotubes”, Nano-Letters, in press. Pehr E. Pehrsson, Wei Zhao, Jeffrey W. Baldwin, C. Song, Jie Liu, Steven Kooi, B. Zheng, “Thermal Fluorination and Annealing of Single-Wall Carbon Nanotubes”, J. Phys. Chem. B , accepted.

We report the synthesis of aggregated diamond nanorods (ADNRs) from fullerene C60 at 20(1) GPa and 2200 °C using a multianvil apparatus. Individual diamond nanoroads are of 5–20 nm in diameter and longer than 1μm. The x-ray and measured density of ADNRs is ∼0.2%–0.4% higher than that of usual diamond. The extremely high isothermal bulk modulus KT=491(3)GPa [compare to KT=442(4)GPa of ...

Non-conducting nanotubes might be attractive for this application if prepared at high purity. Similarly diamond nanorods are also attractive for this application due to their high thermal conductivity. For low dielectric constant interlayer dielectrics dielectric permittivity should not significantly increase after addition of the nanoelements.

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Question: are teeth stronger than diamond?

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The data you quote shows that diamond is stronger than steel, but strength isn’t the same as brittleness (or, indeed, stiffness). Steel can deform a lot before it breaks, diamond can’t and so diamond is more brittle than steel but much stronger.

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Question: what material is stronger than diamond?

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