Elastic Moduli of Carbon Nanohorns

Figure 1

Open CNCs and a (10,10) CNT with the same heights but different apex angles. 𝑅_𝑇=𝑅_CNT=6.8 Å, 𝑅_𝑏1=17.1 Å, 𝑅_𝑏2=28.4 Å, 𝑅_𝑏3=39.7 Å, 𝑅_𝑏4=51 Å, 𝑅_𝑏5=62.3 Å, and 𝐻=61.0 Å.