抄録

1-mol%-Yb-doped Gd3Al2Ga3O12 infra-red scintillator crystal has been studied as a novel implantable radiation monitor in radiation therapy. Powder X-ray diffraction measurement and chemical analysis with a field emission scanning microscope and wavelength dispersive spectrometer determined its garnet structure and average chemical composition of Yb0.03±0.01Gd2.99±0.07Al 2.21±0.08Ga2.64±0.09O 12.10±0.09. Transmittance measurements reached high values of approximately 70% in the human body transparency region between 650 to 1200 nm. Photoluminescence peaks were detected around 970 and 1030 nm under the 940 nm excitation with a Xe lamp. Infra-red scintillation emissions were clearly observed around 970 and 1030 nm due to Yb3+ 4f-4f transitions under X-ray excitation. Therefore, these results suggest that Yb-doped Gd 3Al2Ga3O12 might be used as an infra-red scintillator material.

本文言語English
ページ(範囲)1484-1487
ページ数4
ジャーナルOptical Materials
36
9
DOI
出版ステータスPublished - 2014 7

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • コンピュータ サイエンス(全般)
  • 原子分子物理学および光学
  • 分光学
  • 物理化学および理論化学
  • 有機化学
  • 無機化学
  • 電子工学および電気工学

フィンガープリント

「Crystal growth and luminescence properties of Yb-doped Gd <sub>3</sub>Al<sub>2</sub>Ga<sub>3</sub>O<sub>12</sub> infra-red scintillator」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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