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Les nanotubes de carbone : cours de Master 2 –Nano UVSQ

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Émission <strong>de</strong> champ<br />

e - e- e -<br />

Nanotubes <strong>de</strong> <strong>carbone</strong><br />

Pointes <strong>de</strong> Mo<br />

- tension seuil ~ 1V (distance ~ μm) tension seuil 50-100V<br />

- courants d’émission élevés : qq. A/cm 2<br />

- stabilité <strong>de</strong> l’émission dans le temps durées <strong>de</strong> vie limitées<br />

-vi<strong>de</strong> ~ 10 -8 Torr<br />

vi<strong>de</strong> ~ 10 -10 Torr<br />

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