The term “Scanning Oscillator Piezoresponse Force Microscopy (SO-PFM)”, recently seen in the news, is best described as:
1
A satellite-based imaging technology for real-time climate monitoring.
2
A precision genetic editing tool for studying DNA mutations.
3
A microscopy technique to dynamically visualise domain wall movements in ferroelectric materials.
4
A laser-based system for remote wireless energy transmission.