期刊
ACS NANO
卷 8, 期 12, 页码 11950-11957出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn5046147
关键词
hexagonal boron nitride; atomic chain; transmission electron microscopy; irradiation; electronic structure calculations
类别
资金
- JST Research Acceleration program
- Academy of Finland [266924, 263416]
- DFG
- Ministry of Science, Research and the Arts (MWK) of Baden-Wuerttemberg in the frame of the SALVE (Sub Angstrom Low-Voltage Electron microscopy) project
- Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST MISiS [3-2014-010]
- Finnish Cultural Foundation
We report the formation and characterization of boron nitride atomic chains. The chains were made from hexagonal boron nitride sheets using the electron beam inside a transmission electron microscope. We find that the stability and lifetime of the chains are significantly improved when they are supported by another boron nitride layer. With the help of first-principles calculations, we prove the heteroatomic structure of the chains and determine their mechanical and electronic properties. Our study completes the analogy between various boron nitride and carbon polymorphs, in accordance with earlier theoretical predictions.
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