Table 1: Numerical values of the MFM tip-sphere interaction force for typical PtCo and Alnico 5 magnets.
|
k |
Force for PtCo |
Force for Alnico 5 |
|
0 |
1.7239 × 10−11 N |
7.2219 × 10−11 N |
|
0.2 |
9.6045 × 10−12 N |
4.0236 × 10−11 N |
|
0.4 |
2.9552 × 10−12 N |
1.2380 × 10−11 N |
|
0.6 |
−2.7090 × 10−12 N |
−1.1349 × 10−11 N |
|
0.8 |
−7.3881 × 10−12 N |
−3.0951 × 10−11 N |
|
1 |
−1.1082 × 10−11 N |
−4.6427 × 10−11 N |