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Mechanical Properties and Superconductivity in Two-Dimensional B2O under Extreme Strain

Abstract

A B2O monolayer was theoretically identified with a cleavage energy of 26 meV/Å2, similar to those of graphene and phosphorene. Its mechanical and electronic properties were systematically investigated at large strain using first-principles calculations. A negative Poisson’s ratio appeared in the monolayer at the critical tensile strain point. The B2O monolayer was calculated to be a superconductor, with strain making its superconducting state more robust. These results elucidate the structural and corresponding physical properties of this monolayer, and may stimulate related fundamental research and potential nanoscale applications.

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Publication details

The article was received on 31 Aug 2019, accepted on 04 Nov 2019 and first published on 08 Nov 2019


Article type: Paper
DOI: 10.1039/C9CP04826J
Phys. Chem. Chem. Phys., 2019, Accepted Manuscript

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    Mechanical Properties and Superconductivity in Two-Dimensional B2O under Extreme Strain

    H. Li, Y. Hao, D. Sun, D. Zhou, G. Liu, H. Wang and Q. Li, Phys. Chem. Chem. Phys., 2019, Accepted Manuscript , DOI: 10.1039/C9CP04826J

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