PROBE FOR SCANNING ION-CONDUCTANCE MICROSCOPY

The piezoelectric sensor for scanning probe microscope with a probe in the form of a glass micropipette forscanning ion-conductance microscopy has been made. Resonant frequency and Q-quality of the sensor have beenmeasured in the air and liquid environments. Nanotip has been created for spatial resolution improvement of amicroprobe by means of the focused ion beam at a pipette butt end. Using a test grid, the spatial resolution of amicroprobe with nanotip is shown. The conclusion about an opportunity of using the sensor with a micropipettein the liquid environment with simultaneous activity in semi contact force mode and in a mode of measurementof ionic currents has been made.