Production of Ytterbium Ceramic for Medical Radioactive Sources

S. V. Akulinichev; A. A. Antanovich; V. I. Derzhiev; I. P. Zibrov; T. S. Semakina; V. P. Filonenko; S. A. Chaushanskii

doi:10.1007/s10717-018-0026-5

Production of Ytterbium Ceramic for Medical Radioactive Sources

Authors: Akulinichev S.V.¹, Antanovich A.A.², Derzhiev V.I.¹, Zibrov I.P.², Semakina T.S.¹, Filonenko V.P.², Chaushanskii S.A.¹
Affiliations:
1. Institute for Nuclear Research, Russian Academy of Sciences
2. Institute for High-Pressure Physics
Issue: Vol 75, No 1-2 (2018)
Pages: 47-50
Section: Science for Ceramic Production
URL: https://journals.rcsi.science/0361-7610/article/view/244904
DOI: https://doi.org/10.1007/s10717-018-0026-5
ID: 244904

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Abstract

A method of fabricating ceramic cores from ytterbium-168 enriched ytterbium oxide is presented. This method is based on sintering ytterbium oxide powder under high isostatic pressure of about 8 GPa in order to obtain its B-modification with a monoclinic crystal lattice. The equipment used, sintering regimes, and an analysis of the obtained samples are described. Owing to their high density (to 10.2 g/cm³) the samples hold promise as sources for contact radiation therapy of tumors.