Synergistic and Strengthening Mechanism of Twin Boundaries under Nanoindentations for Cadmium Telluride Semiconductors

Hong Xiu Zhou; Neng Dong Duan; Bo Wang

doi:10.4028/www.scientific.net/AMR.1017.473

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1017Synergistic and Strengthening Mechanism of Twin...

Synergistic and Strengthening Mechanism of Twin Boundaries under Nanoindentations for Cadmium Telluride Semiconductors

Abstract:

In this study, eight nanotwinned cadmium telluride (CdTe or CZ) models were employed to investigate the synergistic and strengthening mechanism of twin boundaries under nanoindentations, using molecular dynamics (MD) simulations. Twin thickness between adjacent boundaries of 16 nm exhibited the maximum hardness during unloading conditions, among eight MD models with twin thickness varied from 4 to 23 nm. The maximum hardness was formed by the synergistic and strengthening effect induced by the stress fields between upper and lower twin boundaries under nanoindentations. When the twin thickness was less than 16 nm, the hardness increased with increasing twin thickness. Whereas, when the twin thickness was more than 16 nm, the hardness decreased with increasing twin thickness.

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Periodical:

Advanced Materials Research (Volume 1017)

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473-478

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1017.473

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Online since:

September 2014

Authors:

Hong Xiu Zhou*, Neng Dong Duan, Bo Wang

Keywords:

Cadmium Telluride, Hardness, Molecular Dynamic (MD), Nanoindentation, Nanotwins

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* - Corresponding Author

References

[1] L. Lu, X. Chen, X. Huang, K. Lu, Revealing the maximum strength in nanotwinned copper, Science 323 (2009) 607-610.

DOI: 10.1126/science.1167641

Google Scholar

[2] X.Y. Li, Y.J. Wei, L. Lu, K. Lu, H.J. Gao, Dislocation nucleation governed softening and maximum strength in nano-twinned metals, Nature 464 (2010) 877-880.

DOI: 10.1038/nature08929

Google Scholar

[3] H.Y. Hsiao, C.M. Liu, H.W. Lin, T.C. Liu, C.L. Lu, Y.S. Huang, C. Chen, K.N. Tu, Unidirectional growth of microbumps on (111)-oriented and nanotwinned copper, 336 (2012) 1007-1010.

DOI: 10.1126/science.1216511

Google Scholar

[4] Z.Y. Zhang, Y.X. Huo, F.W. Huo, X.Z. Zhang, L. Zhang, D.M. Guo, Ultrahigh hardness and synergistic mechanism of a nanotwinned structure of cadmium zinc telluride, Scripta Mater. 68 (2013) 747-750.

DOI: 10.1016/j.scriptamat.2013.01.004

Google Scholar

[5] Z.Y. Zhang, F.Y. Li, G.J. Ma, R.K. Kang, X.G. Guo, Ultrahigh hardness and improved ductility for nanotwinned mercury cadmium telluride, Scripta Mater. 69 (2013) 231-234.

DOI: 10.1016/j.scriptamat.2013.04.007

Google Scholar

[6] Z.Y. Zhang, N.M. Zhang, G.J. Ma, R.K. Kang, Characterization of microstructural stability for nanotwinned mercury cadmium telluride under cyclic nanoindentations, Scripta Mater. 69 (2013) 299-302.

DOI: 10.1016/j.scriptamat.2013.04.024

Google Scholar

[7] T. Zhu, H.J. Gao, Plastic deformation mechanism in nanotwinned metals: An insight from molecular dynamics and mechanistic modeling, Scripta Mater. 66 (2012) 843-848.

DOI: 10.1016/j.scriptamat.2012.01.031

Google Scholar

[8] F.H. Stillinger, T.A. Weber, Computer simulation of local order in condensed phases of silicon, Phys. Rev. B 31 (1985) 5262-5271.

DOI: 10.1103/physrevb.31.5262

Google Scholar

[9] Z.Q. Wang, D. Stroud, A.J. Markworth, Monte Carlo study of the liquid CdTe surface, Phys. Rev. B 40 (1989) 3129-3132.

DOI: 10.1103/physrevb.40.3129

Google Scholar

[10] E.O. Hall, The deformation and ageing of mild steel: III discussion of results, Proc. Phys. Soc. London B 64 (1951) 747-753.

DOI: 10.1088/0370-1301/64/9/303

Google Scholar

[11] N.J. Petch, The cleavage strength of polycrystals, J. Iron Steel Inst. London 174 (1953) 25-28.

Google Scholar