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Optical Properties of Stanene-like Nanosheets on Al 2 O 3 (0001): Implications for Xene Photonics
- Source :
- ACS Applied Nano Materials
- Publication Year :
- 2021
-
Abstract
- Stanene is one of the most intriguing two-dimensional (2D) materials because of its nontrivial topological properties. Here, the optical properties from THz to UV of molecular beam deposited tin nanosheets on Al2O3(0001) are reported. The experimental absorption coefficient cannot be described in terms of metallic tin or tin oxides. Nonetheless, a similar optical behavior was predicted by theory for freestanding stanene, thus suggesting the formation of the 2D tin nanosheets with stanene-like properties. These findings show that 2D tin bears appealing optical properties in a broad range of the electromagnetic spectrum, thus paving the way to Xenes-based nanophotonics.
- Subjects :
- Materials science
Letter
Terahertz radiation
Nanophotonics
chemistry.chemical_element
02 engineering and technology
01 natural sciences
molecular beam epitaxy
stanene, Xenes, photonics, optical, THz
0103 physical sciences
absorption coefficient
Stanene
General Materials Science
010306 general physics
optical spectroscopy
stanene
business.industry
021001 nanoscience & nanotechnology
chemistry
Xenes
Attenuation coefficient
Xene
Optoelectronics
Photonics
0210 nano-technology
business
Tin
Molecular beam
Molecular beam epitaxy
Subjects
Details
- ISSN :
- 25740970
- Database :
- OpenAIRE
- Journal :
- ACS Applied Nano Materials
- Accession number :
- edsair.doi.dedup.....5787ee772d84c18a304fd57d96f790f8
- Full Text :
- https://doi.org/10.1021/acsanm.0c03221