A simple digital inelastic electron tunnelling spectrometer | Zendy

Reynolds S. | Zendy; Gregson L. D. | Zendy; Horley C. C. | Zendy; Oxley D. P. | Zendy; Pritchard R. G. | Zendy

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A simple digital inelastic electron tunnelling spectrometer

Author(s) -

Reynolds S.,

Gregson L. D.,

Horley C. C.,

Oxley D. P.,

Pritchard R. G.

Publication year - 1980

Publication title -

surface and interface analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.52

H-Index - 90

eISSN - 1096-9918

pISSN - 0142-2421

DOI - 10.1002/sia.740020606

Subject(s) - spectrometer , quantum tunnelling , derivative (finance) , electron , electron spectrometer , simple (philosophy) , benzoic acid , chemistry , flexibility (engineering) , physics , computational physics , optics , analytical chemistry (journal) , materials science , optoelectronics , quantum mechanics , cathode ray , mathematics , organic chemistry , philosophy , epistemology , financial economics , economics , statistics

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/AlO x /benzoic acid/Pb. In addition, the third derivative technique is used to subtract a rising background from the second derivative spectrum of an Al/AIO x /benzoic acid/Au tunnel junction.

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