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Small Area Metal-Oxide-Metal Junctions as Picosecond Photoemissive Detectors

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Picosecond Phenomena

Part of the book series: Springer Series in Chemical Physics ((CHEMICAL,volume 4))

Abstract

Internal photoemission [1 – 5] in MOM (metal-oxide-metal) junctions can be used as a means for fast photodetection at visible and ultraviolet wavelengths. Figure 1 shows the geometry and energy band diagram of such a photodetector. Incident photons of energy hv excite electrons from the Fermi sea of one metal. If hv is greater than the oxide barrier height ф (typically around 2 eV), “hot” electrons can be emitted over the barrier into the second metal, creating a photoemissive current in the MOM.

Work supported by AFOSR Grant F44620–76-C-0100 and NASA Grant NSG-2151.

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© 1978 Springer-Verlag Berlin Heidelberg

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Slayman, C., Guedes, M., Yee, T.K., Gustafson, T.K. (1978). Small Area Metal-Oxide-Metal Junctions as Picosecond Photoemissive Detectors. In: Shank, C.V., Ippen, E.P., Shapiro, S.L. (eds) Picosecond Phenomena. Springer Series in Chemical Physics, vol 4. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-67099-2_36

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  • DOI: https://doi.org/10.1007/978-3-642-67099-2_36

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-67100-5

  • Online ISBN: 978-3-642-67099-2

  • eBook Packages: Springer Book Archive

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