Page Comparison

⁵⁸Ni¹⁹⁺ / Oven LCO HT

Ni metal natural (68%)

vapor pressure ~ 7.10^-3 Torr at 1500°C

solid, stable

LCO HT Oven without Ta outlet

Phoenix-V2 18GHz

RF power : 1.7 kW

Mixing gaz : O₂

Oven power : 71 W (~1600°C off line)

Oven position : 0 mm

Source voltage : 40kV/4.7mA

Intensity : 19 µA (⁵⁸Ni¹⁹⁺)

For <I₁₆₁₉₊> =1.25 20 µA during 6 days 2h :

Consumption : 10.34 4 mg/h

Total ionization efficiency :  1.0%6 %

• The metal is melt off-line in the oven container
• When introducing the oven into the source, the axial magnetic field must be off to prevent the magnetic nickel from escaping into the plasma.
•  The Tantalum orifice located at the mouth of the oven is not used to reduce metal condensation.