Preparation of glasses for radiotherapy by ion implantation

M. Kawashita, T. Yao, F. Miyaji, T. Kokubo, G. H. Takaoka, I. Yamada

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


31P can be activated to β-emitter 32P by neutron bombardment. Chemically durable glasses containing a large amount of phosphorus is believed to be useful for in situ irradiation of cancers. A silica glass was implanted with phosphorus ion, heat-treated at 400°C in H2 to make phosphorus colloids grow, then heat-treated at 900°C in O2 in order to encapsulate the colloids with thin SiO2P2O5 glass layer. Thus treated glass showed little dissolution even in hot water and is expected to be useful for radiotherapy.

Original languageEnglish
Pages (from-to)269-274
Number of pages6
JournalRadiation Physics and Chemistry
Issue number2
Publication statusPublished - 1995 Aug
Externally publishedYes

ASJC Scopus subject areas

  • Radiation


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