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|Title:||Multi-layer 235UF4-6LiF-Au targets for high-resolution fission fragment measurements|
|Authors:||SIBBENS Goedele; MOENS Andre; VANLEEUW DAVID; EYKENS Roger; OBERSTEDT Stephan|
|Citation:||APPLIED RADIATION AND ISOTOPES vol. 87 p. 229-232|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Type:||Articles in periodicals and books|
|Abstract:||Multi-layer 235UF4-6LiF-Au targets have been produced by vacuum deposition on thin polyimide foils with an areal density, measured by spectrophotometry, of about 33 µg cm-2. The foils were first covered with an Au-layer and then, with a second layer of 6LiF, both by vapour deposition. The 235UF4 layer was prepared by fluoride sublimation. Each deposited mass was characterized separately by means of differential weighing for the Au and 6LiF layers and by low-geometry alpha-particle counting for the 235UF4 layer. The atomic abundances of the uranium base material have been measured by thermal ionization mass spectrometry. The targets were prepared for measuring fission-fragment emission yields with high mass-resolution.|
|JRC Directorate:||Health, Consumers and Reference Materials|
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