کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7178653 1467443 2016 16 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of hydrogen coverage on elastic response and acoustic wave propagation of SiC sheet
ترجمه فارسی عنوان
اثر پوشش هیدروژن بر پاسخ الاستیک و انتشار موج سیلیکات
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
چکیده انگلیسی
The effect of incomplete sp3 hybridization on the elastic properties and sound velocities of silicene-graphene sheet is studied by the mean of ab initio density functional theory. Upon hydrogenation, it is found that all the structures are stiffer with their high in-plane Young modulus compared to silicene. Moreover, their large Poisson ratios make them stronger and more incompressible than graphene. The examination of the polar plots shows a small anisotropy for system with incomplete sp3 hybridization. The propagation of both shear and compressional acoustic waves are mainly affected by the change in hybridization that largely reduces their values along the zigzag direction. The results of this work establish an issue of technological impact in nanomechanics.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Mechanics of Materials - Volume 96, May 2016, Pages 76-82
نویسندگان
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