Journal of Applied Physics
Paper

Plasma-assisted etching of tungsten films: A quartz-crystal microbalance study

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Abstract

The plasma-assisted etching of magnetron-sputtered polycrystalline tungsten films in CF4-H2 and CF4-O2 glow discharges has been studied as a function of ion energy using quartz-crystal microbalance methods supplemented by vacuum-transfer Auger electron spectroscopy and actinometric emission spectroscopy.

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