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Forces involved in the measurement of a multiferroic sample in different configurations.
| Measurement Mode | Contact SPM | Non-Contact SPM | |
|---|---|---|---|
| Non-zero applied magnetic field and tip voltage | magnetic tip | Fa + Fe + Fpiezo + Fmag + FH | Fe + Fmag + FH |
| non-magnetic tip | Fa + Fe + Fpiezo | Fe | |
| Non-zero tip voltage, zero applied magnetic field | magnetic tip | Fa + Fe + Fpiezo + Fmag | Fe + Fmag |
| non-magnetic tip | Fa + Fe + Fpiezo | Fe | |
