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Condensed Matter > Materials Science

arXiv:1503.00200 (cond-mat)
[Submitted on 1 Mar 2015]

Title:Anisotropic Young's Modulus for Single-Layer Black Phosphorus: The Third Principle Direction Besides Armchair and Zigzag

Authors:Jin-Wu Jiang
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Abstract:We derive an analytic formula for the Young's modulus in single-layer black phosphorus using the valence force field model. By analyzing the directional dependence for the Young's modulus, we explore the third principle direction with direction angle phi_tp = 0.268pi besides armchair and zigzag directions. The maximum Young's modulus value is in the third principle direction. More specifically, the Young's modulus is 52.2 N/m, 85.4 N/m, and 111.4 N/m in the armchair direction, zigzag direction, and the third principle direction, respectively. This new principle direction is of significance for future discussions of other anisotropic properties in the single-layer black phosphorus.
Comments: 5 pages, 3 figs. arXiv admin note: text overlap with arXiv:1410.3545
Subjects: Materials Science (cond-mat.mtrl-sci)
Cite as: arXiv:1503.00200 [cond-mat.mtrl-sci]
  (or arXiv:1503.00200v1 [cond-mat.mtrl-sci] for this version)
  https://doi.org/10.48550/arXiv.1503.00200

Submission history

From: Jin-Wu Jiang [view email]
[v1] Sun, 1 Mar 2015 00:44:34 UTC (162 KB)
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