On the origin and elimination of cross coupling between tunneling current and excitation in scanning probe experiments that utilize the qPlus sensor

URN to cite this document:: urn:nbn:de:bvb:355-epub-747683
DOI to cite this document:: 10.5283/epub.74768

Schelchshorn, Michael

; Stilp, Fabian

; Weiss, Marco

; Giessibl, Franz J.

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Date of publication of this fulltext: 28 Jan 2025 11:02

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Abstract

The qPlus sensor allows for the simultaneous operation of scanning tunneling microscopy (STM) and atomic force microscopy (AFM). When operating a combined qPlus sensor STM/AFM at large tunneling currents, a hitherto unexplained tunneling current-induced cross coupling can occur, which has already been observed decades ago. Here, we study this phenomenon both theoretically and experimentally; its ...