Crystal growth and scintillation properties of Ce and Eu doped LiSrAlF 6

Akihiro Yamaji; Takayuki Yanagida; Noriaki Kawaguchi; Yutaka Fujimoto; Yuui Yokota; Kenichi Watanabe; Atsushi Yamazaki; Akira Yoshikawa; Jan Pejchal

doi:10.1016/j.nima.2011.08.048

Crystal growth and scintillation properties of Ce and Eu doped LiSrAlF ₆

Akihiro Yamaji, Takayuki Yanagida, Noriaki Kawaguchi, Yutaka Fujimoto, Yuui Yokota, Kenichi Watanabe, Atsushi Yamazaki, Akira Yoshikawa, Jan Pejchal

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Ce and Eu doped LiSrAlF₆ (LiSAF) single crystals for the neutron detection with different dopant concentrations were grown by the micro-pulling-down method (μ-PD). In Ce:LiSAF, intense emission peaks due to Ce³⁺ 5d4f transitions were observed at approximately 315 and 335 nm in photo- and α-ray induced radio-luminescence spectra. In case of Eu:LiSAFs, an intense emission peak at 375 nm due to Eu²⁺ 5d4f transition was observed in the radio-luminescence spectra. The pulse height spectra and decay time profiles were measured under ²⁵²Cf neutron irradiation to examine the neutron response. The Ce 3% and Eu 2% doped LiSAF showed the highest light yield of 2860 ph/n with 19 ns main decay time component and 24,000 ph/n with 1610 ns.

Original language	English
Pages (from-to)	368-372
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	659
Issue number	1
DOIs	https://doi.org/10.1016/j.nima.2011.08.048
Publication status	Published - 2011 Dec 11

Keywords

LiSrAlF
Neutron
Scintillation detector
Scintillator
Single crystal

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Access to Document

10.1016/j.nima.2011.08.048

Cite this

Yamaji, A., Yanagida, T., Kawaguchi, N., Fujimoto, Y., Yokota, Y., Watanabe, K., Yamazaki, A., Yoshikawa, A., & Pejchal, J. (2011). Crystal growth and scintillation properties of Ce and Eu doped LiSrAlF ₆. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 659(1), 368-372. https://doi.org/10.1016/j.nima.2011.08.048

Crystal growth and scintillation properties of Ce and Eu doped LiSrAlF ₆. / Yamaji, Akihiro; Yanagida, Takayuki; Kawaguchi, Noriaki et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 659, No. 1, 11.12.2011, p. 368-372.

Research output: Contribution to journal › Article › peer-review

Yamaji, A, Yanagida, T, Kawaguchi, N, Fujimoto, Y , Yokota, Y, Watanabe, K, Yamazaki, A, Yoshikawa, A & Pejchal, J 2011, 'Crystal growth and scintillation properties of Ce and Eu doped LiSrAlF ₆', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 659, no. 1, pp. 368-372. https://doi.org/10.1016/j.nima.2011.08.048

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title = "Crystal growth and scintillation properties of Ce and Eu doped LiSrAlF 6",

abstract = "Ce and Eu doped LiSrAlF6 (LiSAF) single crystals for the neutron detection with different dopant concentrations were grown by the micro-pulling-down method (μ-PD). In Ce:LiSAF, intense emission peaks due to Ce3+ 5d4f transitions were observed at approximately 315 and 335 nm in photo- and α-ray induced radio-luminescence spectra. In case of Eu:LiSAFs, an intense emission peak at 375 nm due to Eu2+ 5d4f transition was observed in the radio-luminescence spectra. The pulse height spectra and decay time profiles were measured under 252Cf neutron irradiation to examine the neutron response. The Ce 3% and Eu 2% doped LiSAF showed the highest light yield of 2860 ph/n with 19 ns main decay time component and 24,000 ph/n with 1610 ns.",

keywords = "LiSrAlF, Neutron, Scintillation detector, Scintillator, Single crystal",

author = "Akihiro Yamaji and Takayuki Yanagida and Noriaki Kawaguchi and Yutaka Fujimoto and Yuui Yokota and Kenichi Watanabe and Atsushi Yamazaki and Akira Yoshikawa and Jan Pejchal",

note = "Funding Information: This work was mainly supported by JST Sentan and partially by a Grant in Aid for Young Scientists (B)-15686001 , (A)-23686135 , and Challenging Exploratory Research - 23656584 from the Ministry of Education, Culture, Sports, Science and Technology of the Japanese government (MEXT). Partial assistance from the Yazaki Memorial Foundation for Science and Technology, Japan Science Society, Sumitomo Foundation, and Iketani Science and Technology Foundation are also gratefully acknowledged.",

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N2 - Ce and Eu doped LiSrAlF6 (LiSAF) single crystals for the neutron detection with different dopant concentrations were grown by the micro-pulling-down method (μ-PD). In Ce:LiSAF, intense emission peaks due to Ce3+ 5d4f transitions were observed at approximately 315 and 335 nm in photo- and α-ray induced radio-luminescence spectra. In case of Eu:LiSAFs, an intense emission peak at 375 nm due to Eu2+ 5d4f transition was observed in the radio-luminescence spectra. The pulse height spectra and decay time profiles were measured under 252Cf neutron irradiation to examine the neutron response. The Ce 3% and Eu 2% doped LiSAF showed the highest light yield of 2860 ph/n with 19 ns main decay time component and 24,000 ph/n with 1610 ns.

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