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IrO 2

IrO 2

IrO 2

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Field emission J-E curve of <strong>IrO</strong> 2 nanorods (I)<br />

For <strong>IrO</strong> 2 nanorods<br />

Turn-on field<br />

(E to ) at 5.6 V/μm<br />

The best values of<br />

carbon nanotube<br />

E to = 0.6 ~ 2.8 V/μm,<br />

N-doped diamond film<br />

E to ~ 1.5 V/μm<br />

amorphous carbon film<br />

E to = 6.0 V/μm

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