Thermal and optical properties of Yb-doped Lu
                        2
                        O
                        3
                         single crystal grown by the micro-pulling-down method

J. H. Mun; A. Jouini; Akira Yoshikawa; J. H. Kim; T. Fukuda; J. S. Lee

Thermal and optical properties of Yb-doped Lu ₂ O ₃ single crystal grown by the micro-pulling-down method

J. H. Mun, A. Jouini, Akira Yoshikawa, J. H. Kim, T. Fukuda, J. S. Lee

Materials Property Division

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

8 Citations (Scopus)

Abstract

Undoped and (0, 0.5, 5 mol%) Lu ₂ O ₃ single crystals were grown by the micro-pulling-down method. Crystals were transparent with yellowish color with 4.2 mm in diameter and 6-9 mm in length. Yb-doped Lu ₂ O ₃ single crystals have a good compositional homogeneity along the growth axis. Both, thermal diffusivity and heat capacity decrease when the Yb concentration increase. As a result, the calculated thermal conductivity for 5 mol% Yb ³⁺ -doped Lu ₂ O ₃ decreases from 14.32 to 12.42 Wm ^-1 K ^-1 . We have also investigated the absorption, fluorescence spectra and measured fluorescence lifetimes as a function of the Yb content.

Original language	English
Pages (from-to)	636-640
Number of pages	5
Journal	Journal of Ceramic Processing Research
Volume	14
Issue number	5
Publication status	Published - 2013 Jan 1

Keywords

Crystal growth from the melt
Micro-pulling-down method
Rere-earth sesquioxides
Thermal conductivity

ASJC Scopus subject areas

Ceramics and Composites

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Mun, J. H., Jouini, A., Yoshikawa, A., Kim, J. H., Fukuda, T., & Lee, J. S. (2013). Thermal and optical properties of Yb-doped Lu ₂ O ₃ single crystal grown by the micro-pulling-down method Journal of Ceramic Processing Research, 14(5), 636-640.

Thermal and optical properties of Yb-doped Lu ₂ O ₃ single crystal grown by the micro-pulling-down method . / Mun, J. H.; Jouini, A.; Yoshikawa, Akira; Kim, J. H.; Fukuda, T.; Lee, J. S.

In: Journal of Ceramic Processing Research, Vol. 14, No. 5, 01.01.2013, p. 636-640.

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

Mun, JH, Jouini, A, Yoshikawa, A, Kim, JH, Fukuda, T & Lee, JS 2013, ' Thermal and optical properties of Yb-doped Lu ₂ O ₃ single crystal grown by the micro-pulling-down method ', Journal of Ceramic Processing Research, vol. 14, no. 5, pp. 636-640.

Mun JH, Jouini A, Yoshikawa A, Kim JH, Fukuda T, Lee JS. Thermal and optical properties of Yb-doped Lu ₂ O ₃ single crystal grown by the micro-pulling-down method Journal of Ceramic Processing Research. 2013 Jan 1;14(5):636-640.

Mun, J. H. ; Jouini, A. ; Yoshikawa, Akira ; Kim, J. H. ; Fukuda, T. ; Lee, J. S. / Thermal and optical properties of Yb-doped Lu ₂ O ₃ single crystal grown by the micro-pulling-down method In: Journal of Ceramic Processing Research. 2013 ; Vol. 14, No. 5. pp. 636-640.

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title = " Thermal and optical properties of Yb-doped Lu 2 O 3 single crystal grown by the micro-pulling-down method ",

abstract = " Undoped and (0, 0.5, 5 mol%) Lu 2 O 3 single crystals were grown by the micro-pulling-down method. Crystals were transparent with yellowish color with 4.2 mm in diameter and 6-9 mm in length. Yb-doped Lu 2 O 3 single crystals have a good compositional homogeneity along the growth axis. Both, thermal diffusivity and heat capacity decrease when the Yb concentration increase. As a result, the calculated thermal conductivity for 5 mol% Yb 3+ -doped Lu 2 O 3 decreases from 14.32 to 12.42 Wm -1 K -1 . We have also investigated the absorption, fluorescence spectra and measured fluorescence lifetimes as a function of the Yb content. ",

keywords = "Crystal growth from the melt, Micro-pulling-down method, Rere-earth sesquioxides, Thermal conductivity",

author = "Mun, {J. H.} and A. Jouini and Akira Yoshikawa and Kim, {J. H.} and T. Fukuda and Lee, {J. S.}",

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AU - Mun, J. H.

AU - Jouini, A.

AU - Yoshikawa, Akira

AU - Kim, J. H.

AU - Fukuda, T.

AU - Lee, J. S.

PY - 2013/1/1

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N2 - Undoped and (0, 0.5, 5 mol%) Lu 2 O 3 single crystals were grown by the micro-pulling-down method. Crystals were transparent with yellowish color with 4.2 mm in diameter and 6-9 mm in length. Yb-doped Lu 2 O 3 single crystals have a good compositional homogeneity along the growth axis. Both, thermal diffusivity and heat capacity decrease when the Yb concentration increase. As a result, the calculated thermal conductivity for 5 mol% Yb 3+ -doped Lu 2 O 3 decreases from 14.32 to 12.42 Wm -1 K -1 . We have also investigated the absorption, fluorescence spectra and measured fluorescence lifetimes as a function of the Yb content.

AB - Undoped and (0, 0.5, 5 mol%) Lu 2 O 3 single crystals were grown by the micro-pulling-down method. Crystals were transparent with yellowish color with 4.2 mm in diameter and 6-9 mm in length. Yb-doped Lu 2 O 3 single crystals have a good compositional homogeneity along the growth axis. Both, thermal diffusivity and heat capacity decrease when the Yb concentration increase. As a result, the calculated thermal conductivity for 5 mol% Yb 3+ -doped Lu 2 O 3 decreases from 14.32 to 12.42 Wm -1 K -1 . We have also investigated the absorption, fluorescence spectra and measured fluorescence lifetimes as a function of the Yb content.

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