Radiation damage in zircon by high-energy electron beams

Nan Jiang, John Spence

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

Radiation damage induced by high-energy (200 keV) electron irradiation in zircon has been studied thoroughly using imaging, diffraction, and electron energy-loss spectroscopy techniques in transmission electron microscopy. Both structural and compositional changes during the damage were measured using the above techniques in real time. It was found that the damage was mainly caused by the preferential sputtering of O. The loss of O occurred initially within small sporadic regions with dimension of several nanometers, resulting in the direct transformation of zircon into ZrxSiy. These isolated patches gradually connect each other and eventually cover the whole area of the electron beam. These differ from the previous observations either in the self-irradiated natural and synthetic zircon or in ion-beam irradiated thin zircon specimen.

Original languageEnglish (US)
Article number123517
JournalJournal of Applied Physics
Volume105
Issue number12
DOIs
StatePublished - Jul 16 2009

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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