Stanene

Not to be confused with stanine.
HRTEM image of sample showing hexagonal lattice. The inset on the bottom left shows the EDAX spectrum from the same spot. Carbon and copper peaks arises from the TEM grid used. The middle inset shows large area TEM of stanene flake with layers.

Stanene[1][2] is a topological insulator, theoretically predicted by Shoucheng Zhang's group at Stanford,[further explanation needed] which may display dissipationless currents at its edges near room temperature. It is composed of tin atoms arranged in a single layer, in a manner similar to graphene.[3] Stanene got its name by combining stannum (the Latin name for tin) with the suffix -ene used by graphene.[citation needed] Research is ongoing in Germany and China, as well as at laboratories at Stanford and UCLA.[4]

The addition of fluorine atoms to the tin lattice could extend the critical temperature up to 100 °C.[5] This would make it practical for use in integrated circuits to make smaller, faster and more energy efficient computers.

See also

Stannenes (Similar name to Stanene)

References

  1. ^ DOE/SLAC National Accelerator Laboratory (2013-11-21). "Will 2-D tin be the next super material?". Sciencedaily.com. Retrieved 2014-01-10.
  2. ^ "Will 2-D tin be the next super material?". Phys.org. 21 November 2013. Retrieved 2014-01-10.
  3. ^ Xu, Yong; Yan, Binghai; Zhang, Hai-Jun; Wang, Jing; Xu, Gang; Tang, Peizhe; Duan, Wenhui; Zhang, Shou-Cheng (2013-09-24). "Large-Gap Quantum Spin Hall Insulators in Tin Films". Physical Review Letters. 111 (13) 136804. arXiv:1306.3008. doi:10.1103/PhysRevLett.111.136804. ISSN 0031-9007. PMID 24116803. S2CID 11310025.
  4. ^ Markoff, John (January 9, 2014). "Designing the Next Wave of Computer Chips". New York Times. Retrieved January 10, 2014.
  5. ^ "Will 2-D Tin be the Next Super Material?" (Press release). Stanford University: SLAC National Accelerator Laboratory. November 21, 2013.

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