Highly Selective Radioactive 137 Cs + Capture in an Open-Framework Oxysulfide Based on Supertetrahedral Cluster
- Award ID(s):
- 1708254
- Publication Date:
- NSF-PAR ID:
- 10096849
- Journal Name:
- Chemistry of Materials
- Volume:
- 31
- Issue:
- 5
- Page Range or eLocation-ID:
- 1628 to 1634
- ISSN:
- 0897-4756
- Sponsoring Org:
- National Science Foundation
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We report on spectroscopic measurements on the
transition in neutral europium-151 and europium-153 at 459.4 nm. The center of gravity frequencies for the 151 and 153 isotopes, reported for the first time in this paper, to our knowledge, were found to be 652,389,757.16(34) MHz and 652,386,593.2(5) MHz, respectively. The hyperfine coefficients for the state were found to be , and , , which all agree with previously published results except for A(153), which shows a small discrepancy. The isotope shift is found to be 3163.8(6) MHz, which also has a discrepancy with previously published results.