Preparation of multilayer targets for g-factor measurement of rotational levels

✍ Scribed by Qiwen Fan; Guoji Xu

• Publisher: Elsevier Science
• Year: 2008
• Tongue: English
• Weight: 247 KB
• Volume: 590
• Category: Article
• ISSN: 0168-9002
• DOI: 10.1016/j.nima.2008.02.040

✦ Synopsis

The three-layer-sandwich targets of 58,60 Ni-Fe-Cu, 11 B-Fe-Cu and 67,68,70 Zn-Fe-Au have been prepared for g-factor measurement of rotational levels. The ferromagnetic Fe middle layers of 1.2-1.5 mg/cm 2 Fe have been made by rolling interrupted by annealing against hardening. Thick recoil stopper layers (5-12 mg/cm 2 ) of Cu and Au on one side of Fe foils have been fabricated by vacuum evaporation. Isotopic Zn, B and Ni layers of 150-400 mg/cm 2 have been deposited on the opposite side of the Fe foil by electron beam evaporation and focused ion beam sputtering, respectively. For better homogeneity the substrates were rotated.