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Updated: Jul 4, 2025

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing
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α-MoO3纳米薄膜的异型机械特性

Congying Wang1,2, Xuwei Cui1,3, Shijun Wang1

  • 1CAS Key Laboratory of Nanosystem and Hierarchical Fabrication and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China. liulq@nanoctr.cn.

Nanoscale
|February 9, 2024
PubMed
概括

这项研究揭示了α-三氧化物 (α-MoO3) 2D纳米片的机械性能. 研究人员开发了一种新的转移方法,并在不同的晶体轴上发现了拉伸强度的显著差异.

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Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
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Mohr's circle is a crucial graphical method used to analyze plane strain by plotting strain on a set of cartesian coordinates, where the abscissa is normal strain ∈ and the ordinate is shear strain γ. Similarly to Mohr’s circle for plane stress, two points X and Y are plotted. Their coordinates are (∈x, -γXY) and (∈Y, γXY), respectively.
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