Thermally stimulated exoelectronic emission of CVD diamond films

Exoemissive properties of several CVD diamond films (undoped or doped with nitrogen) are studied by the thermally stimulated exoelectronic emission (TSEE) method. Some experimental results are obtained after UV or X-ray irradiation. After UV irradiation, a single TSEE peak is observed at 605 or 625...

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Veröffentlicht in:Thin solid films 2000-01, Vol.359 (2), p.150-153
Hauptverfasser: Briand, D., Iacconi, P., Benabdesselam, M., Lapraz, D., Bindi, R., May, P.W., Rego, C.A., Afzal, A.
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container_end_page 153
container_issue 2
container_start_page 150
container_title Thin solid films
container_volume 359
creator Briand, D.
Iacconi, P.
Benabdesselam, M.
Lapraz, D.
Bindi, R.
May, P.W.
Rego, C.A.
Afzal, A.
description Exoemissive properties of several CVD diamond films (undoped or doped with nitrogen) are studied by the thermally stimulated exoelectronic emission (TSEE) method. Some experimental results are obtained after UV or X-ray irradiation. After UV irradiation, a single TSEE peak is observed at 605 or 625 K, depending upon the growth parameters. The existence of the exoemission signal is related to the surface morphology: facetted surfaces give rise to exoelectronic emission, more especially in the presence of both 111 and 100 faces, while smooth surfaces do not or only to a limit extent. A possible indication of negative electron affinity is observed at about 273 K.
doi_str_mv 10.1016/S0040-6090(99)00745-2
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subjects Chemical vapour deposition (CVD)
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Diamond
Electron and ion emission by liquids and solids
impact phenomena
Electronic emission
Exact sciences and technology
Exoelectron emission
Physics
Surface morphology
title Thermally stimulated exoelectronic emission of CVD diamond films
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