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Nickel with Phoenix-V2 at LPSC

Ion / Production method

58Ni19+ / Oven LCO HT

Compound used

Ni metal natural (68%)

vapor pressure ~ 10-4 Torr at 900°C

 

Aspect

Chemical sensitivity

White powder , stable ?

LCO HT Oven - Ta Outlet diam. 2 mm

 

 

Ion source parameters

ECR4M-14GHz

RF power : 140 W

Mixing gaz : O2

Oven power : 3.5 W (~250°C off line)

Oven position : 0 mm

Source voltage : 18kV/1.8mA

Intensity : 4.1 µA (92Mo16+)

For <I16+> =1.25 µA during 6 days :

Consumption : 1.34 mg/h

Total ionization efficiency :  1.0%

CommentsLow ionization efficiency

More details can be found in this publication : " Status Report on Metallic Beam Production at GANIL/SPIRAL 2 ", 22th ECRIS (Busan 2016).

Spectrum optimized on Ni19+ obtained at LPSC with Phoenix-V2, Oven power 71W-18V-19.3A (1600°C off line), Slits FH13 ± 5 mm, RF: 1.68 kW (67W reflected), Source voltage: 40.0kV / 9.1mA (~ 4.7 mA réel), Biased star: - 36 V / 0.5 mA, buffer gaz O2, extraction pressure: 1.4E-8 mbar, BPI-BPM-BPE cons : 1230 A / 1280 A / 1291 A, BPI-BPM-BPE lu : 1125 A / 1181 A / 1294 A, Optics: SOL11 : 140.37 A, D11 : 65.49 A, Q11 : 20.23 A, Q12 : 41.49 A, Q13 : 54.29 A.

 

 

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