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Ruthenium metal wires up to 3 mm long and 10–20 µm diameter, were produced in 20–30 s from anhydrous ruthenium dioxide by irradiation at 600 W in a microwave oven. The irradiation led to decomposition of ruthenium dioxide powder to ruthenium metal particles that sintered together along microwave field lines producing wires. Irradiation over 90 s produced larger features of metallic ruthenium with...
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