Speaker
Dr
Matthew Gott
(Argonne National Laboratory)
Description
Thin, isotopic 14C foils are of great interest to the nuclear physics community as neutron-rich targets. Historically, these foils have been extremely difficult to prepare and an effort is underway to make them readily available. The stock material of 14C available at Argonne contains a number of oxide impurities (SiO2, MgO, and Al2O3), which affect the composition and stability of the fabricated foil. A simple, robust method was developed (using natC as a surrogate) to purify the 14C material while minimizing loss and potential spread of the material. Thin foils were fabricated using the purified carbon, the unpurified carbon/oxide mix, and purchased high-purity carbon powder. A comparison of the resulting foils and the methodology for purifying the 14C stock at Argonne will be discussed.
Primary author
Dr
Matthew Gott
(Argonne National Laboratory)
Co-authors
Dr
Igor Pavlovsky
(Applied Nanotech Inc.)
Mr
John Greene
(Argonne National Laboratory)
Dr
Richard Fink
(Applied Nanotech Inc.)