Photon emission induced by brittle fracture of borosilicate glasses

Tadashi Shiota, Yoshitaka Sato, Tetsuo Kishi, Kouichi Yasuda

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Photon emission (PE) at wavelength ranges of 430-490 nm (B-PE), 500-600 nm (G-PE) and 610-680 nm (R-PE) caused by brittle fracture was simultaneously measured in the nanosecond-to-microsecond and millisecond time domains for two types of borosilicate glasses: Pyrex-type Tempax glass and BK7 glass. The results were compared to those for silica and soda lime glasses. The time dependence of the PE of Tempax glass was similar to that of silica glass, while the PE intensity was lower. Because Tempax glass contains both silica-rich and borate-rich amorphous phases, the PE must be mainly produced by the fracture of the silica-rich phase. Moreover, the proportion of B-PE of Tempax glass was higher than that of silica glass. This suggests that the measured B-PE might also include very weak PE caused by the fracture of the borate-rich phase. The PE time dependence of BK7 glass was similar to that of soda lime glass, which was different from the case for Tempax glass. The PE intensity of BK7 glass was slightly higher than that of soda lime glass, but much lower than that of Tempax glass. The result indicates that non-bridging oxygen in the glasses affects crack propagation behavior and reduces the PE.

Original languageEnglish
Pages (from-to)208-212
Number of pages5
JournalJournal of Luminescence
Volume173
DOIs
Publication statusPublished - May 1 2016
Externally publishedYes

Fingerprint

Borosilicate glass
Brittle fracture
borosilicate glass
Photons
Glass
glass
photons
Silicon Dioxide
calcium oxides
Borates
silica glass
Fused silica
silicon dioxide
borates
time dependence
crack propagation
Crack propagation
proportion

Keywords

  • Borosilicate glass
  • Brittle fracture
  • Photon emission
  • Time-resolved measurement

ASJC Scopus subject areas

  • Biophysics
  • Atomic and Molecular Physics, and Optics
  • Chemistry(all)
  • Biochemistry
  • Condensed Matter Physics

Cite this

Photon emission induced by brittle fracture of borosilicate glasses. / Shiota, Tadashi; Sato, Yoshitaka; Kishi, Tetsuo; Yasuda, Kouichi.

In: Journal of Luminescence, Vol. 173, 01.05.2016, p. 208-212.

Research output: Contribution to journalArticle

Shiota, Tadashi ; Sato, Yoshitaka ; Kishi, Tetsuo ; Yasuda, Kouichi. / Photon emission induced by brittle fracture of borosilicate glasses. In: Journal of Luminescence. 2016 ; Vol. 173. pp. 208-212.
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