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Potentially the world's most robust material, carbyne is a linear acetylenic carbon, an infinitely long carbon chain. As a one-dimensional allotrope of carbon, its chemical structure is forty times stronger than diamond and thirty times stronger than carbon nanotubes.

With an infinitely long carbon chain structure, carbyne is the most robust material in the world, with an effective Young's modulus (the force needed to deform a material) forty times stronger than that of diamond and thirty times stronger than carbon nanotubes.

Surpassing graphene's properties, this new material is currently confined exclusively to nanotubes, but it could be possible to explore its electrical properties to increase chain length, which would be very useful for nanoscale electronics and the creation of a new generation of gadgets. Furthermore, carbyne has other features that could prove to be helpful as a sensor if twisted in torsion or magnetic fields. With unusual mechanical and electronic properties, it has the potential to make nanomechanics, spintronic devices and micro-electro-mechanical systems. It also has the potential for energy storage matrices like batteries and supercapacitors, due to its extensive surface area concerning mass, which determines energy density.

Future Perspectives
One of the possible future utilities of carbyne includes the application of this material in the construction of spaceships and space elevators, which demand superstrong materials to form structures that could measure at least 40,000 miles long. At the same time, materials such as carbyne offer strength, and can also lighten up spaceplane bodies and thus increase the power to weight of the engine and energy storage. In other words, by building a spaceship with carbyne, it could be possible to create a single-stage spaceplane to go into orbit, which was impossible until now.



Advanced Materials