Transmission electron microscopy and in situ Raman studies of glassy sanbornite: An insight into nucleation trend and its relation to structural variation

Yoshihiro Takahashi, Minoru Osada, Hirokazu Masai, Takumi Fujiwara

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8 Citations (Scopus)

Abstract

In situ observation of Raman scattering in glassy sanbornite (BaSi 2 O5) showing homogeneous nucleation was performed during heating to investigate the structural variation in the glassy/supercooled-liquid phase in the pre- and postnucleation regimes. It was observed that the formation of Q2 units accelerates around 400 °C, which is well below Tg, just after structural relaxation in the Ba-enriched/-cohesive region. The relation between the structural variation and the nucleation trend in glassy sanbornite was also discussed on the basis of transmission electron microscopy and in situ Raman results and previous Boson observation [Takahashi Appl. Phys. Lett. 94, 211907 (2009)].

Original languageEnglish
Article number063507
JournalJournal of Applied Physics
Volume108
Issue number6
DOIs
Publication statusPublished - 2010 Sep 15
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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