Abstract
In this work, first-principles calculations were used to explore the work of adhesion, interfacial energies and electronic structures of Mg(0001)/Mg2Pb(110) and Mg(0001)/Mg2Pb(111) interfaces. Three types of Mg(0001)/Mg2Pb(110) semi-coherent interface (top (OT), bridge (MT) and hollow (HCP)) and two types of Mg(0001)/Mg2Pb(111) incoherent interface (top (OT) + bridge site ( MT) and hollow (HCP) + bridge (MT)) were considered here. The calculated works of adhesion and interfacial energies showed that the HCP-configuration Mg(0001)/Mg2Pb(110) interface has the smallest interfacial energy (0.92 J/m2), the largest adhesive work (0.65 J/m2) and the most thermodynamical stability. The thermodynamical stability of the HCP-configuration Mg(0001)/Mg2Pb(110) interface is due to Mg–Mg and Mg–Pb chemical bonds formed between Mg and Pb atoms.
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The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.
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Acknowledgments
This work was supported by the Reserve Talents Training Project of Yunnan Province under Grant no.2015HB019, the Yunnan Ten Thousand Talents Plan Young & Elite Talents Project under Grant no. YNWR-QNBJ-2018-044 and the National Natural Science Foundation of China under Grant no. 51761023.
Yuan Sun and Longke Bao have a common contribution.
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Sun, Y., Bao, L., Kong, Z. et al. Adhesion strength, stability and electronic properties of α-Mg/Mg2Pb interface from first-principles calculation. Journal of Materials Research 37, 1859–1867 (2022). https://doi.org/10.1557/s43578-022-00593-3
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DOI: https://doi.org/10.1557/s43578-022-00593-3