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