LIGHT EMISSION FROM METAL-INSULATOR-METAL STRUCTURES BIASED NEAR BREAKDOWN VOLTAGES.

M. J. Bloemer, J. P. Goudonnet, D. R. James, R. J. Warmack, T. L. Ferrell, E. T. Arakawa, T. A. Callcott

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Optical emission is observed at prebreakdown voltages in thin-film metal-insulator-metal (MIM) structures. Subsequent examination of the junction in a scanning electron microscope reveals filamentary growth through the insulator. These tunnnel junctions consist of Al-Al//2O//3// minus Ag or Al-Al//2O//3// minus Au with a variety of microstructures incorporated in the junction. The emission spectrum is found to be dependent on the geometry of the MIM structure. Comparison of theory and experiment suggests that the emission results from the radiative decay of collective electronic excitations (surface plasmons) initiated by electrons tunneling through the insulator.

Original languageEnglish
Pages (from-to)335-338
Number of pages4
JournalConference Record of IEEE International Symposium on Electrical Insulation
StatePublished - 1986
Externally publishedYes

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