Suspended Black Arsenic Nanoribbons with Anisotropic Elastic Properties for Nanomechanical Devices

Yunfei Yu, Guoshuai Du, Shang Chen, Jingjing Zhang, Yubing Du, Qinglin Xia, Ke Jin, Yabin Chen*

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

2 引用 (Scopus)

摘要

Anisotropy, as an exotic degree of freedom, enables us to discover emergent two-dimensional (2D) layered nanomaterials with low in-plane symmetry and explore their outstanding properties and promising applications. 2D black arsenic (b-As) with a puckered structure has garnered increasing attention these years owing to its extreme anisotropy with respect to its electrical, thermal, and optical properties. However, investigation on the mechanical properties of 2D b-As is still lacking despite much effort on theoretical simulations. Herein, we report the highly anisotropic elastic properties of suspended b-As nanoribbons via atomic force microscopy-based nanoindentation. It was found that the extracted Young’s modulus of b-As nanoribbons exhibits remarkable anisotropy, which approximates 72.2 ± 5.4 and 44.3 ± 1.4 GPa along zigzag and armchair directions, respectively. The anisotropic ratio reaches up to ∼1.6. We expect that these results could lay a solid foundation for the potential applications of 2D anisotropic nanomaterials in next-generation nanomechanics and optoelectronics.

源语言英语
页(从-至)23542-23547
页数6
期刊ACS Applied Nano Materials
6
24
DOI
出版状态已出版 - 22 12月 2023

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Yu, Y., Du, G., Chen, S., Zhang, J., Du, Y., Xia, Q., Jin, K., & Chen, Y. (2023). Suspended Black Arsenic Nanoribbons with Anisotropic Elastic Properties for Nanomechanical Devices. ACS Applied Nano Materials, 6(24), 23542-23547. https://doi.org/10.1021/acsanm.3c04980