Les nanotubes de carbone : cours de Master 2 âNano UVSQ
Les nanotubes de carbone : cours de Master 2 âNano UVSQ
Les nanotubes de carbone : cours de Master 2 âNano UVSQ
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C = n a 1<br />
+ m a 2<br />
⇒ C 2 =a 2 (n 2 +m 2 +2n.m.cos(60°))<br />
⇒<br />
C=πΦ=a n 2 +m 2 +nm<br />
cos(θ)=C.a 1<br />
/(Ca)<br />
C.a 1<br />
=(n+mcos(60°))a 2<br />
=(2n+m) a 2 /2<br />
=><br />
cos(θ)=(2n+m)/2/ n 2 +m 2 +nm<br />
sin(θ)=(C × a 1<br />
).z/(Ca)<br />
=><br />
sin(θ)= 3 m/2/ n 2 +m 2 +nm<br />
(9,-3) : C=19.8Å, Φ=6.3Å θ= -19.1°<br />
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