SECM

SECM for local corrosion investigation

SECM for local corrosion investigation

3 steppermotors for x-,y-,z-positioning; 10nm per microstep

high voltage z-piezo (200 µm range)

shearforce based optical height control (photodiode,laserdiode)
lock in amplifier (Signal Recovery 5210) for the height control

potentiostat (Jaissle Bi-Potentiostat PG 100) for AC- and amperometric measurements

lock in amplifier (EG&G Instruments 7265) coupled with the potentiostat for AC-SECM

PC with an 14 bit AD/DA-card and a Visual Basic software for dataacquisition and controling