Transparent ZnAl2O4ceramics fabricated by spark plasma sintering

Byung Nam Kim, Keijiro Hiraga, Ahrong Jeong, Chungfeng Hu, Tohru S. Suzuki, Jon Do Yun, Yoshio Sakka

研究成果: Article査読

17 被引用数 (Scopus)

抄録

Highly transparent zinc aluminate ceramics were fabricated by the solid-state reaction using a spark plasma sintering machine. The sintered body exhibited a microstructure consisting of submicron-sized grains and extremely low porosities. Annealing of the sintered body in air improved the transmission close to the theoretical limit in a wavelength range of 1-5μm. The band gap energy estimated from the absorption coefficient was 4.3 eV. The Young's modulus and the bulk modulus measured for the fully dense zinc aluminates were 282 and 211 GPa, respectively.

本文言語English
ページ(範囲)784-787
ページ数4
ジャーナルJournal of the Ceramic Society of Japan
122
1429
DOI
出版ステータスPublished - 2014 9 1
外部発表はい

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 化学 (全般)
  • 凝縮系物理学
  • 材料化学

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