Optical vibronic spectra in reactor neutron irradiated α-Al 2O3

Rahman Abu Zayed Mohammad Saliqur, T. Awata, N. Yamashita, Yoshihiko Inada, K. Oshima, Qiu Xu, K. Atobe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

The excitation spectra with the vibronic structure near the 360 nm absorption band and emission spectra with the vibronic structure near the 430 nm emission band been studied comparing neutron irradiated α-Al 2O3 at pile temperature (360 K) and at 20 K. In particular, the optical vibronic emission spectra of the neutron irradiated single crystal α-Al2O3 in low temperature have been analyzed. Huang Rhys factors of 360 nm excitation and 430 nm emission band are calculated. Also, Debye temperature has been estimated by curve fitting using temperature dependence of the excitation band. It can be seen that the excitation band derives from F2 + type center and emission band is suggested as F+ type center.

Original languageEnglish
Title of host publicationPhysics Procedia
Pages551-557
Number of pages7
Volume2
Edition2
DOIs
Publication statusPublished - Aug 2009
Event2008 International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, ICL'08 - Lyon, France
Duration: Jul 7 2008Jul 11 2008

Other

Other2008 International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, ICL'08
CountryFrance
CityLyon
Period7/7/087/11/08

Fingerprint

optical spectrum
reactors
neutrons
excitation
emission spectra
curve fitting
piles
light emission
specific heat
absorption spectra
temperature dependence
single crystals
temperature

Keywords

  • α-AlO
  • F aggregate center
  • F center
  • Neutron irradiation
  • Vibronic structure

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Saliqur, R. A. Z. M., Awata, T., Yamashita, N., Inada, Y., Oshima, K., Xu, Q., & Atobe, K. (2009). Optical vibronic spectra in reactor neutron irradiated α-Al 2O3 . In Physics Procedia (2 ed., Vol. 2, pp. 551-557) https://doi.org/10.1016/j.phpro.2009.07.040

Optical vibronic spectra in reactor neutron irradiated α-Al 2O3 . / Saliqur, Rahman Abu Zayed Mohammad; Awata, T.; Yamashita, N.; Inada, Yoshihiko; Oshima, K.; Xu, Qiu; Atobe, K.

Physics Procedia. Vol. 2 2. ed. 2009. p. 551-557.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Saliqur, RAZM, Awata, T, Yamashita, N, Inada, Y, Oshima, K, Xu, Q & Atobe, K 2009, Optical vibronic spectra in reactor neutron irradiated α-Al 2O3 . in Physics Procedia. 2 edn, vol. 2, pp. 551-557, 2008 International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, ICL'08, Lyon, France, 7/7/08. https://doi.org/10.1016/j.phpro.2009.07.040
Saliqur RAZM, Awata T, Yamashita N, Inada Y, Oshima K, Xu Q et al. Optical vibronic spectra in reactor neutron irradiated α-Al 2O3 . In Physics Procedia. 2 ed. Vol. 2. 2009. p. 551-557 https://doi.org/10.1016/j.phpro.2009.07.040
Saliqur, Rahman Abu Zayed Mohammad ; Awata, T. ; Yamashita, N. ; Inada, Yoshihiko ; Oshima, K. ; Xu, Qiu ; Atobe, K. / Optical vibronic spectra in reactor neutron irradiated α-Al 2O3 . Physics Procedia. Vol. 2 2. ed. 2009. pp. 551-557
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