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Table 2 Mechanical and electrical parameters of the various materials used for the junction «tip-CNT-substrate», with E i (Young's moduli), ν i (Poisson's ratio's), r t (curvature radius), ρ (resistivity) and l (electron mean free path).

From: Evaluation of the nanotube intrinsic resistance across the tip-carbon nanotube-metal substrate junction by Atomic Force Microscopy

 

E 1(GPa)

ν1

E 2(GPa)

ν2

r t(nm)

ρ (Ω m)

l(nm)

Au

781

0.421

  

90

2.35 × 10-82

362

MWCNT

103

0.284

  

12.53

10-65

806

Diamond

  

10637

0.17

1508

4 × 10-5[25]

40

Pt/Ir

  

233.39

0.3689

208

2.35 × 10-82

362

  1. 1from ref. [37]
  2. 2from ref. [21]
  3. 3from ref. [[38] (φCNT : 25 nm), [39–41]]
  4. 4from ref. [41]
  5. 5from ref. [42]
  6. 6from ref. [43–45]
  7. 7from ref. [46]
  8. 8from tip manufacturer
  9. 9from ref. [47] (we take account a ratio of Pt-20%Ir)
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