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Atomic force microscopy probes with integrated boron doped diamond electrodes: Fabrication and application

: Eifert, A.; Smirnov, W.; Frittmann, S.; Nebel, C.E.; Mizaikoff, B.; Kranz, C.


Electrochemistry communications 25 (2012), pp.30-34
ISSN: 1388-2481
Journal Article
Fraunhofer IAF ()
boron doping; electrochemical microscopy; AFM; tip integrated electrode

We report on the fabrication and characterization of atomic force microscopy (AFM) probes with integrated boron-doped diamond (BDD) electrodes. Silicon AFM probes were overgrown with boron-doped diamond and hydrogen-terminated during the plasma enhanced chemical vapor deposition (PECVD) process. As surface termination plays a significant role in the electrochemical behavior of BDD-electrodes, electrochemical surface treatment after FIB milling was performed to recover the surface properties of boron-doped diamond. Simulation of diffusion profiles towards the integrated electrode, as well as simultaneous topography and current imaging with the AFM tip-integrated boron-doped diamond electrode are demonstrated.