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Journal Articles The European Physical Journal D : Atomic, molecular, optical and plasma physics Year : 2010

Integrated micro-plasmas in silicon operating in helium

Abstract

Microplasma arrays operating in helium in a DC regime have been produced in silicon microre-actors. Cathode boundary layer (CBL) type microdevices were elaborated using clean room facilities and semiconductor processing techniques. Ignition of the micro-discharge arrays having either 50 or 100 µm diameter cavities was studied. Two different structures (isotropically etched or anisotropically etched cavity) and various conditions (the two different voltage polarities, pressures etc.) were investigated. 100 microdis-charges of 50 µm diameter could be ignited in parallel at 1000 torr. At high current, some parasitic and transient sparks appeared at the edge of the sample. When the polarization was reversed (cathode side corresponding the opened electrode), more current was needed to light all the microdischarges. A thermally affected zone around the hole on the anode side was obtained after operation.
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Dates and versions

hal-01303160 , version 1 (29-04-2016)
hal-01303160 , version 2 (15-01-2023)

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Remi Dussart, Lawrence J. Overzet, P Lefaucheux, Thierry Dufour, M Kulsreshath, et al.. Integrated micro-plasmas in silicon operating in helium. The European Physical Journal D : Atomic, molecular, optical and plasma physics, 2010, 60, pp.601-608. ⟨10.1140/epjd/e2010-00272-7⟩. ⟨hal-01303160v2⟩
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