Stanene
Stanene is a single-layer or 2D material and a 2D topological insulator.[1][2][3] It is composed of tin atoms arranged in a single, hexagonal layer, in a manner similar to graphene. Its name combines stannum (the Latin name for tin) with the suffix -ene used by graphene.[4]
Stanene was theoretically predicted to be a 2D topological insulator in 2011,[5] and its functionalized derivations as topological insulators were predicted in 2013.[6] Both may display dissipationless superconductive currents at their edges near room temperature. The addition of fluorine atoms to the tin lattice could extend the operating temperature up to 100 °C.[7] This would make it practical for use in integrated circuits to make smaller, faster and more energy efficient computers.
Synthesis[]
The synthesis and study of optical properties of stanene was first claimed by researchers at the Indian Institute of Technology Bombay.[8] Stanene synthesis was reported by a second group in 2015, using molecular beam epitaxy on a substrate of bismuth telluride.[9][10] Theoretical research suggested Ag(111) surface may be a good substrate to grow stanene epitaxially.[11] In 2018 the growth of epitaxial 2D stanene on an Ag(111) single crystal template was reported.[12]
Reactivity[]
First principle calculations have predicted that stanene is very reactive against common air pollutants such as NOx and COx and is able to trap and dissociate them at low temperatures.[13]
References[]
- ^ Garcia, J. C.; de Lima, D. B.; Assali, L. V. C.; Justo, J. F. (2011). "Group IV graphene- and graphane-like nanosheets". J. Phys. Chem. C. 115 (27): 13242–13246. arXiv:1204.2875. doi:10.1021/jp203657w.
- ^ DOE/SLAC National Accelerator Laboratory (2013-11-21). "Will 2-D tin be the next super material?". Sciencedaily.com. Retrieved 2014-01-10.
- ^ "Will 2-D tin be the next super material?". Phys.org. 21 November 2013. Retrieved 2014-01-10.
- ^ Singh, Ritu (November 24, 2013). "Tin could be the next super material for computer chips". Zeenews.
- ^ Liu, Cheng-Cheng; Jiang, Hua; Yao, Yugui (2011). "Low-energy effective Hamiltonian involving spin-orbit coupling in silicene and two-dimensional germanium and tin". Phys. Rev. B. 19 (84): 195430. arXiv:1108.2933. Bibcode:2011PhRvB..84s5430L. doi:10.1103/PhysRevB.84.195430.
- ^ Xu, Y.; Yan, B.; Zhang, H. J.; Wang, J.; Xu, G.; Tang, P.; Duan, W.; Zhang, S. C. (2013). "Large-Gap Quantum Spin Hall Insulators in Tin Films". Physical Review Letters. 111 (13): 136804. arXiv:1306.3008. Bibcode:2013PhRvL.111m6804X. doi:10.1103/PhysRevLett.111.136804. PMID 24116803.
- ^ "Will 2-D Tin be the Next Super Material?" (Press release). Stanford University: SLAC National Accelerator Laboratory. November 21, 2013.
- ^ Saxena, Sumit; Chaudhary, Raghvendra Pratap; Shukla, Shobha (May 20, 2015), "Stanene: Atomically Thick Free-standing Layer of 2D Hexagonal Tin", Scientific Reports, 6: 31073, arXiv:1505.05062, Bibcode:2016NatSR...631073S, doi:10.1038/srep31073, PMC 4974617, PMID 27492139
- ^ Cesare, Chris (2015). "Physicists announce graphene's latest cousin: stanene". Nature News. 524 (7563): 18. Bibcode:2015Natur.524R..18C. doi:10.1038/nature.2015.18113. PMID 26245561.
- ^ Feng-feng Zhu, Wei-jiong Chen; Xu, Yong; Chun-lei Gao, Dan-dan Guan; Can-hua, Liu; Qian, Dong; Zhang, Shou-Cheng; Jin-feng, Jia (2015). "Epitaxial growth of two-dimensional stanene". Nature Materials. 14 (10): 1020–1025. arXiv:1506.01601. Bibcode:2015NatMa..14.1020Z. doi:10.1038/nmat4384. PMID 26237127.
- ^ Gao, Junfeng; Zhang, Gang; Zhang, Yong-Wei (2016). "Exploring Ag (111) Substrate for Epitaxially Growing Monolayer Stanene: A First-Principles Study". Scientific Reports. 6: 29107. Bibcode:2016NatSR...629107G. doi:10.1038/srep29107. PMC 4931515. PMID 27373464.
- ^ Yuhara, Junji; Fujii, Yuya; Nishino, Kazuki; Isobe, Naoki; Nakatake, Masashi; Xian, Lede; Rubio, Angel; Le Lay, Guy (2018). "Large area planar stanene epitaxially grown on Ag(1 1 1)". 2D Materials. 5 (2): 025002. Bibcode:2018TDM.....5b5002Y. doi:10.1088/2053-1583/aa9ea0.
- ^ Takahashi, L.; Takahashi, K. (2015). "Low temperature pollutant trapping and dissociation over two-dimensional tin". Physical Chemistry Chemical Physics. 17 (33): 21394–21396. Bibcode:2015PCCP...1721394T. doi:10.1039/C5CP03382A. PMID 26226204.
External links[]
Wikimedia Commons has media related to Stanene. |
- Choi, Charles Q. (December 4, 2013). "Could Atomically Thin Tin Transform Electronics?". Scientific American.
- Johnson, R. Colin (3 December 2013). "Stanene May Be Better Than Graphene". EE Times.
- Myslewski, Rik (4 December 2013). "OHM MY GOD! Move over graphene, here comes '100% PERFECT' stanene". The Register.
- "Tin-based stanene could conduct electricity with 100 percent efficiency". gizmag. 2013-12-01. Retrieved 2013-12-05.
- Vandenberghe, William (2013-10-25). "Quantum Transport for future Nano-CMOS Applications : TFETs and 2D topological insulators" (PDF). University of Texas at Dallas. Retrieved 2014-01-03.
- Superconductors
- Tin
- Two-dimensional nanomaterials
- Monolayers
- Substances discovered in the 2010s