Crystal growth and characterization of (NaxCa 1-2xLux)F2 single crystals

Yuki Furuya; Hidehiko Tanaka; Kentaro Fukuda; Noriaki Kawaguchi; Yuui Yokota; Takayuki Yanagida; Valery Chani; Martin Nikl; Akira Yoshikawa

doi:10.1016/j.jcrysgro.2011.02.003

Crystal growth and characterization of (Na_xCa _1-2xLu_x)F₂ single crystals

Yuki Furuya, Hidehiko Tanaka, Kentaro Fukuda, Noriaki Kawaguchi, Yuui Yokota, Takayuki Yanagida, Valery Chani, Martin Nikl, Akira Yoshikawa

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

3 Citations (Scopus)

Abstract

(Na_xCa_1-2xLu_x)F₂ (x=1/6, 1/4, 1/3) and (Na_xCa_1-x-yLu_y-0.05Ce _0.05)F_2y-x (x=0.32, y=0.43) single crystals were grown from the melt using the precise atmosphere controlled type Micro-Pulling-Down (μ-PD) method to investigate their potential as a host material of scintillators. The grown crystals were of single-phase with fluorite-type structure (Fm-3m, Z=4) as confirmed by XRD. The crystals demonstrated 6090% transmittance above 200 nm wavelength and their absorption edges were approximately 145155 nm. Their densities were 4.55.3 g/cm³, and their effective atomic numbers were 56.761.4. Ce doped sample demonstrated better scintillation properties compared to Ce doped CaF₂, such as higher light yield and shorter decay time.

Original language	English
Pages (from-to)	63-68
Number of pages	6
Journal	Journal of Crystal Growth
Volume	320
Issue number	1
DOIs	https://doi.org/10.1016/j.jcrysgro.2011.02.003
Publication status	Published - 2011 Apr 1

Keywords

A1. Radiation
A2. Growth from melt
A2. Micro-Pulling-Down method
A2. Single crystal growth
B2. Optical material
B3. Scintillators

ASJC Scopus subject areas

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

Access to Document

10.1016/j.jcrysgro.2011.02.003

Cite this

@article{8dc170a6f5a443518622006560899334,

title = "Crystal growth and characterization of (NaxCa 1-2xLux)F2 single crystals",

abstract = "(NaxCa1-2xLux)F2 (x=1/6, 1/4, 1/3) and (NaxCa1-x-yLuy-0.05Ce 0.05)F2y-x (x=0.32, y=0.43) single crystals were grown from the melt using the precise atmosphere controlled type Micro-Pulling-Down (μ-PD) method to investigate their potential as a host material of scintillators. The grown crystals were of single-phase with fluorite-type structure (Fm-3m, Z=4) as confirmed by XRD. The crystals demonstrated 6090% transmittance above 200 nm wavelength and their absorption edges were approximately 145155 nm. Their densities were 4.55.3 g/cm3, and their effective atomic numbers were 56.761.4. Ce doped sample demonstrated better scintillation properties compared to Ce doped CaF2, such as higher light yield and shorter decay time.",

keywords = "A1. Radiation, A2. Growth from melt, A2. Micro-Pulling-Down method, A2. Single crystal growth, B2. Optical material, B3. Scintillators",

author = "Yuki Furuya and Hidehiko Tanaka and Kentaro Fukuda and Noriaki Kawaguchi and Yuui Yokota and Takayuki Yanagida and Valery Chani and Martin Nikl and Akira Yoshikawa",

note = "Funding Information: This work was partially supported by Ministry of Health and Welfare , Grant-in-Aid for the development of medical instruments and by Ministry of Education, Culture, Sports, Science and Technology of Japanese Government , Grant-in-Aid for Young Scientists (A) , 19686001 (AY). Partial support form Czech GAAV Project M100100910 is also gratefully acknowledged.",

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doi = "10.1016/j.jcrysgro.2011.02.003",

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pages = "63--68",

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T1 - Crystal growth and characterization of (NaxCa 1-2xLux)F2 single crystals

AU - Furuya, Yuki

AU - Tanaka, Hidehiko

AU - Fukuda, Kentaro

AU - Kawaguchi, Noriaki

AU - Yokota, Yuui

AU - Yanagida, Takayuki

AU - Chani, Valery

AU - Nikl, Martin

AU - Yoshikawa, Akira

N1 - Funding Information: This work was partially supported by Ministry of Health and Welfare , Grant-in-Aid for the development of medical instruments and by Ministry of Education, Culture, Sports, Science and Technology of Japanese Government , Grant-in-Aid for Young Scientists (A) , 19686001 (AY). Partial support form Czech GAAV Project M100100910 is also gratefully acknowledged.

PY - 2011/4/1

Y1 - 2011/4/1

N2 - (NaxCa1-2xLux)F2 (x=1/6, 1/4, 1/3) and (NaxCa1-x-yLuy-0.05Ce 0.05)F2y-x (x=0.32, y=0.43) single crystals were grown from the melt using the precise atmosphere controlled type Micro-Pulling-Down (μ-PD) method to investigate their potential as a host material of scintillators. The grown crystals were of single-phase with fluorite-type structure (Fm-3m, Z=4) as confirmed by XRD. The crystals demonstrated 6090% transmittance above 200 nm wavelength and their absorption edges were approximately 145155 nm. Their densities were 4.55.3 g/cm3, and their effective atomic numbers were 56.761.4. Ce doped sample demonstrated better scintillation properties compared to Ce doped CaF2, such as higher light yield and shorter decay time.

AB - (NaxCa1-2xLux)F2 (x=1/6, 1/4, 1/3) and (NaxCa1-x-yLuy-0.05Ce 0.05)F2y-x (x=0.32, y=0.43) single crystals were grown from the melt using the precise atmosphere controlled type Micro-Pulling-Down (μ-PD) method to investigate their potential as a host material of scintillators. The grown crystals were of single-phase with fluorite-type structure (Fm-3m, Z=4) as confirmed by XRD. The crystals demonstrated 6090% transmittance above 200 nm wavelength and their absorption edges were approximately 145155 nm. Their densities were 4.55.3 g/cm3, and their effective atomic numbers were 56.761.4. Ce doped sample demonstrated better scintillation properties compared to Ce doped CaF2, such as higher light yield and shorter decay time.

KW - A1. Radiation

KW - A2. Growth from melt

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KW - A2. Single crystal growth

KW - B2. Optical material

KW - B3. Scintillators

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