Luminescence and scintillation properties of rare-earth-doped BaLu2F8 single crystals grown by the micro-pulling-down method

Jan Pejchal; Kentaro Fukuda; Yoshisuke Futami; Martin Nikl; Noriaki Kawaguchi; Yuui Yokota; Robert Kral; Akira Yoshikawa

doi:10.1002/pssc.201200301

Luminescence and scintillation properties of rare-earth-doped BaLu₂F₈ single crystals grown by the micro-pulling-down method

Jan Pejchal, Kentaro Fukuda, Yoshisuke Futami, Martin Nikl, Noriaki Kawaguchi, Yuui Yokota, Robert Kral, Akira Yoshikawa

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

4 Citations (Scopus)

Abstract

The BaLu₂F₈ crystals doped with 1 mol% Tm, Nd and Er were prepared by micro-pulling-down method to study their scintillation and luminescence properties. The unwanted phase transition from orthorhombic structure to monoclinic one, which occurs some 50 °C below the melting point, was avoided using Li-flux. No Li-containing secondary phase was observed. Radioluminescence measurements of Nd-doped samples revealed 5d-4f Nd³⁺ luminescence situated around 180nm, the intensity of which was comparable with that of the LaF₃:Nd 8% reference scintillator sample. Further slight enhancement of the Nd³⁺ 5d-4f emission was achieved by Tm³⁺ co-doping probably due to energy transfer from the Tm³⁺ 5d levels to the Nd³⁺ ones.

Original language	English
Pages (from-to)	2243-2246
Number of pages	4
Journal	Physica Status Solidi (C) Current Topics in Solid State Physics
Volume	9
Issue number	12
DOIs	https://doi.org/10.1002/pssc.201200301
Publication status	Published - 2012 Dec 1

Keywords

Barium lutetium fluoride
Rare-earth doping
Scintillator
Vacuum ultraviolet

ASJC Scopus subject areas

Condensed Matter Physics

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10.1002/pssc.201200301

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Luminescence and scintillation properties of rare-earth-doped BaLu₂F₈ single crystals grown by the micro-pulling-down method. / Pejchal, Jan; Fukuda, Kentaro; Futami, Yoshisuke; Nikl, Martin; Kawaguchi, Noriaki; Yokota, Yuui; Kral, Robert; Yoshikawa, Akira.

In: Physica Status Solidi (C) Current Topics in Solid State Physics, Vol. 9, No. 12, 01.12.2012, p. 2243-2246.

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

Pejchal, Jan ; Fukuda, Kentaro ; Futami, Yoshisuke ; Nikl, Martin ; Kawaguchi, Noriaki ; Yokota, Yuui ; Kral, Robert ; Yoshikawa, Akira. / Luminescence and scintillation properties of rare-earth-doped BaLu₂F₈ single crystals grown by the micro-pulling-down method. In: Physica Status Solidi (C) Current Topics in Solid State Physics. 2012 ; Vol. 9, No. 12. pp. 2243-2246.

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abstract = "The BaLu2F8 crystals doped with 1 mol% Tm, Nd and Er were prepared by micro-pulling-down method to study their scintillation and luminescence properties. The unwanted phase transition from orthorhombic structure to monoclinic one, which occurs some 50 °C below the melting point, was avoided using Li-flux. No Li-containing secondary phase was observed. Radioluminescence measurements of Nd-doped samples revealed 5d-4f Nd3+ luminescence situated around 180nm, the intensity of which was comparable with that of the LaF3:Nd 8% reference scintillator sample. Further slight enhancement of the Nd3+ 5d-4f emission was achieved by Tm3+ co-doping probably due to energy transfer from the Tm3+ 5d levels to the Nd3+ ones.",

keywords = "Barium lutetium fluoride, Rare-earth doping, Scintillator, Vacuum ultraviolet",

author = "Jan Pejchal and Kentaro Fukuda and Yoshisuke Futami and Martin Nikl and Noriaki Kawaguchi and Yuui Yokota and Robert Kral and Akira Yoshikawa",

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AU - Fukuda, Kentaro

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AU - Nikl, Martin

AU - Kawaguchi, Noriaki

AU - Yokota, Yuui

AU - Kral, Robert

AU - Yoshikawa, Akira

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AB - The BaLu2F8 crystals doped with 1 mol% Tm, Nd and Er were prepared by micro-pulling-down method to study their scintillation and luminescence properties. The unwanted phase transition from orthorhombic structure to monoclinic one, which occurs some 50 °C below the melting point, was avoided using Li-flux. No Li-containing secondary phase was observed. Radioluminescence measurements of Nd-doped samples revealed 5d-4f Nd3+ luminescence situated around 180nm, the intensity of which was comparable with that of the LaF3:Nd 8% reference scintillator sample. Further slight enhancement of the Nd3+ 5d-4f emission was achieved by Tm3+ co-doping probably due to energy transfer from the Tm3+ 5d levels to the Nd3+ ones.

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