Are Carbon Nanotubes Magnetic?

By Ibtisam AbbasiJun 4 2024Reviewed by Lexie Corner Carbon is a critical component for creating complex structures used in numerous fields. Carbon nanotubes, zero-dimensional nanostructures discovered in 1993, are essential due to their unique magnetic and electrical properties, necessitating thorough study.What are Carbon Nanotubes ? Carbon nanotubes have gained considerable attention for their exceptional mechanical, thermal, and electrical properties, attributed to their hollow structure.

When applied parallel to the tube axis, the magnetic field affects the electronic wave functions through the Aharonov-Bohm effect, causing VHSs to shift and opening an energy gap in a metallic tube. This transformation can oscillate the system between metallic and semiconducting states.3 Related StoriesCrI3 is a layered ferromagnetic insulator that has gained significant interest, as it is the first example of a stand-alone monolayer ferromagnet. This discovery has opened doors to research on two-dimensional magnetic materials.

These findings suggest that CrI3 nanotubes exhibit unique magnetic properties compared to their bulk and 2D counterparts. This discovery of new 1D magnetic van der Waals heterostructures encapsulated within CNTs will likely inspire new research, where local probes can be employed to validate and harness the predicted radial magnetic state.

Challenges and Future Directions Despite their industrial potential, several challenges hinder the rapid commercialization of CNTs. Produced CNTs contain impurities, which are classified as metallic or carbonaceous. Carbonaceous impurities, similar in composition to CNTs, are difficult to detect and can adversely affect properties and toxicity.

One important application of CNT wires is in the novel structural components of super lightweight airplanes and automobiles, where they provide necessary strength and high performance. In aircraft like the Boeing 787, CNT composites help them withstand lightning strikes and reduce fuel consumption.

Magnetic Nanoparticles Nanotechnology Applications

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