Ya-Zhou Wang, Li Ma, Quan Yang, Song-Chao Geng, Yi-Ni Lin, Tao Chen, Li-Ning Sun. Length-controllable picking method and conductivity analysis of carbon nanotubes [J]. Acta Physica Sinica, 2020, 69(6): 068801-1
- Acta Physica Sinica
- Vol. 69, Issue 6, 068801-1 (2020)
Fig. 1. Micro-nano manipulation system: (a) Micro-nano manipulation stage; (b) AFM probe; (c) tungsten probe; (d) CNTs sample.
Fig. 2. Schematic diagram of mechanics during contact.
Fig. 3. Horizontal contact of AFM probe and CNT.
Fig. 4. Circuit for CNT cutting and conductivity measurement.
Fig. 5. Bending deformation of CNT with same L 1 (15 μm) and different L 3: (a), (d) L 3 = 4.10 μm; (b), (e) L 3 = 6.41 μm; (c), (f) L 3 = 8.24 μm.
Fig. 6. Position of CNTs and probes.
Fig. 7. Stretching of CNT with AFM probe
Fig. 8. Contact detection and position judgment.
Fig. 9. Cutting process: (a) Contact of probes and CNT; (b) CNT’s breakdown.
Fig. 10. I -V data of CNT and fitting curve.
Fig. 11. I -V data of CNT bundle and fitting curves.
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Table 1. Performance parameters of micro-nano operating unit.
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