A simple digital inelastic electron tunnelling spectrometer

S Reynolds, L D Gregson, C C Horley, D P Oxley, R G Pritchard

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    A modified inelastic electron tunnelling spectrometer is described which enables data to be stored in digital form in a microcomputer. Subsequent numerical analysis may then be carried out with considerable flexibility and convenience. Presentation of data is possible, not only in second derivative form as in a conventional spectrometer, but also as a third derivative by a simple numerical technique. Examples of data presented in both forms are given for a tunnel junction consisting of Al/AlOx/benzoic acid/Pb. In addition, the third derivative technique is used to subtract a rising background from the second derivative spectrum of an Al/AIOx/benzoic acid/Au tunnel junction.
    Original languageEnglish
    Pages (from-to)217-221
    Number of pages5
    JournalSurface and Interface Analysis
    Issue number6
    Publication statusPublished - 1980

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    Reynolds, S., Gregson, L. D., Horley, C. C., Oxley, D. P., & Pritchard, R. G. (1980). A simple digital inelastic electron tunnelling spectrometer. Surface and Interface Analysis, 2(6), 217-221. https://doi.org/10.1002/sia.740020606