Photoamperic probes in scanning tunneling microscopy

M.W.J. Prins, M.C.M.M. Wielen, van der, R. Jansen, D.L. Abraham, H. Kempen, van

Research output: Contribution to journalArticleAcademicpeer-review

31 Citations (Scopus)
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Abstract

The charge generated at the apex of a semiconductor tip upon laser irradiation is utilized in a scanning tunneling microscope. We show such arrangements can produce photoinduced tunnel currents of several hundred picoamperes, sufficient for stable STM operation and sensitive enough to detect nanowatt variations in the incident optical power
Original languageEnglish
Pages (from-to)1207-1209
JournalApplied Physics Letters
Volume64
Issue number10
DOIs
Publication statusPublished - 1994

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