Optical and scintillation properties of bulk ZnO crystal

Takayuki Yanagida, Yutaka Fujimoto, Kohei Yamanoi, Masataka Kano, Akira Wakamiya, Shunsuke Kurosawa, Nobuhiko Sarukura

研究成果: Article査読

32 被引用数 (Scopus)

抄録

Single crystal bulk ZnO scintillator grown by the hydrothermal method was tested on its scintillation performances. In X-ray induced radio luminescence spectrum, it exhibited two intense emission peaks at 400 and 550 nm. The former was ascribed to the free and bound exciton related luminescence and the latter to oxygen vacancy related one, respectively. X-ray induced scintillation decay time of the exciton related emission measured by the pulse X-ray streak camera system resulted ∼ 4 ns. Finally, the light yield under 241Am 5.5 MeV α-ray was examined and it resulted ∼ 500 ph/5.5 MeV-α.

本文言語English
ページ(範囲)2284-2287
ページ数4
ジャーナルPhysica Status Solidi (C) Current Topics in Solid State Physics
9
12
DOI
出版ステータスPublished - 2012 12 1

ASJC Scopus subject areas

  • 凝縮系物理学

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