Stepped horn actuated Kelvin probe
J-R Reboul1, C Guasch, J-Y Ferrandis
1IES, UMR 5214 UM2/CNRS, cc082, Université de Montpellier 2, Place E. Bataillon, F-34095 Montpellier Cedex 05, France. jean-remy.reboul@ies.univ-montp2.fr
The Review of Scientific Instruments
|March 5, 2008
Abstract:
We have developed an original Kelvin probe system using an ultrasonic stepped horn sonotrode. This actuator is optimized in order to maximize the velocity of the tip end, and hence to increase the Kelvin current detected. Such development is essential to improve surface potential measurements at small spatial scale.


