Table 1 Diameter distribution of CNTs from 13 different areas of the cone-cylinder cold-cathode.
From: A Fully-Sealed Carbon-Nanotube Cold-Cathode Terahertz Gyrotron
Diameter distribution of CNT | ||||||
---|---|---|---|---|---|---|
Diameter (nm) | <20 | 20–30 | 30–40 | 40–50 | 50–60 | >60 |
Number | 1 | 30 | 48 | 20 | 4 | 1 |
Percentage (%) | 1.0 | 28.8 | 46.2 | 19.2 | 3.8 | 1.0 |