A simple digital inelastic electron tunnelling spectrometer

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

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    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
    Volume2
    Issue number6
    DOIs
    Publication statusPublished - 1980

    Fingerprint

    Electron tunneling
    benzoic acid
    electron tunneling
    tunnel junctions
    Spectrometers
    spectrometers
    Derivatives
    Benzoic Acid
    Tunnel junctions
    Benzoic acid
    microcomputers
    numerical analysis
    flexibility
    Microcomputers
    Numerical analysis

    Cite this

    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
    Reynolds, S ; Gregson, L D ; Horley, C C ; Oxley, D P ; Pritchard, R G. / A simple digital inelastic electron tunnelling spectrometer. In: Surface and Interface Analysis. 1980 ; Vol. 2, No. 6. pp. 217-221.
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    Reynolds, S, Gregson, LD, Horley, CC, Oxley, DP & Pritchard, RG 1980, 'A simple digital inelastic electron tunnelling spectrometer', Surface and Interface Analysis, vol. 2, no. 6, pp. 217-221. https://doi.org/10.1002/sia.740020606

    A simple digital inelastic electron tunnelling spectrometer. / Reynolds, S; Gregson, L D; Horley, C C; Oxley, D P; Pritchard, R G.

    In: Surface and Interface Analysis, Vol. 2, No. 6, 1980, p. 217-221.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - A simple digital inelastic electron tunnelling spectrometer

    AU - Reynolds, S

    AU - Gregson, L D

    AU - Horley, C C

    AU - Oxley, D P

    AU - Pritchard, R G

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    AB - 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.

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