L Calabri et al 2006 J. Phys.: Condens. Matter 18 S2175 doi:10.1088/0953-8984/18/33/S33
L Calabri1, N Pugno2, W Ding3 and R S Ruoff3
Show affiliationsThe effects of non-ideal experimental configuration on the mechanical resonance of boron (B) nanowires (NWs) were studied to obtain the corrected value for the Young's modulus. The following effects have been theoretically considered: (i) the presence of intrinsic curvature, (ii) non-ideal clamps, (iii) spurious masses, (iv) coating layer, and (v) large displacements. An energy-based analytical analysis was developed to treat such effects and their interactions. Here, we focus on treating the effect of the intrinsic curvature on the mechanical resonance. The analytical approach has been confirmed by numerical FEM analysis. A parallax method was used to obtain the three-dimensional geometry of the NW.
62.25.-g Mechanical properties of nanoscale systems
61.46.-w Structure of nanoscale materials
62.40.+i Anelasticity, internal friction, stress relaxation, and mechanical resonances
Issue 33 (23 August 2006)
Received 31 January 2006, in final form 9 May 2006
Published 4 August 2006
L Calabri et al 2006 J. Phys.: Condens. Matter 18 S2175
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