Czochralski growth of Tb3Sc2Al3O12 single crystal for Faraday rotator

A. Yoshikawa; Y. Kagamitani; D. A. Pawlak; H. Sato; H. Machida; T. Fukuda

doi:10.1016/S0025-5408(01)00788-7

Czochralski growth of Tb₃Sc₂Al₃O₁₂ single crystal for Faraday rotator

A. Yoshikawa, Y. Kagamitani, D. A. Pawlak, H. Sato, H. Machida, T. Fukuda

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

31 Citations (Scopus)

Abstract

Tb₃Sc₂Al₃O₁₂ single crystals with the garnet-type structure and having 〈111〉 orientation were grown by the Czochralski method. This material shows good characteristics as Faraday rotator. The distribution of cations in Tb₃Sc₂Al₃O₁₂ single crystals is discussed together with the dependence of the lattice constant on the solidification fraction. The crystal shows good transparency in the region from 395 to 1500nm. The absorption band around 486nm, corresponding to the ⁷F₆ → ⁵D₄ transition line of Tb³⁺ ions was observed. The crystallinity was studied using XRC analysis. Measured Verdet constant of the Czochralski grown crystal was as high as that reported for Tb3Al5O12, which could not be grown by the Czochralski method.

Original language	English
Pages (from-to)	1-10
Number of pages	10
Journal	Materials Research Bulletin
Volume	37
Issue number	1
DOIs	https://doi.org/10.1016/S0025-5408(01)00788-7
Publication status	Published - 2002 Jan

Keywords

A. Oxides
B. Crystal growth
D. Optical properties
Magnetic properties

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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@article{338592beb698490fae153897f2c78ecb,

title = "Czochralski growth of Tb3Sc2Al3O12 single crystal for Faraday rotator",

abstract = "Tb3Sc2Al3O12 single crystals with the garnet-type structure and having 〈111〉 orientation were grown by the Czochralski method. This material shows good characteristics as Faraday rotator. The distribution of cations in Tb3Sc2Al3O12 single crystals is discussed together with the dependence of the lattice constant on the solidification fraction. The crystal shows good transparency in the region from 395 to 1500nm. The absorption band around 486nm, corresponding to the 7F6 → 5D4 transition line of Tb3+ ions was observed. The crystallinity was studied using XRC analysis. Measured Verdet constant of the Czochralski grown crystal was as high as that reported for Tb3Al5O12, which could not be grown by the Czochralski method.",

keywords = "A. Oxides, B. Crystal growth, D. Optical properties, Magnetic properties",

author = "A. Yoshikawa and Y. Kagamitani and Pawlak, {D. A.} and H. Sato and H. Machida and T. Fukuda",

note = "Funding Information: Mr. Murakami, of the Laboratory for Developmental Research of Advanced Materials in IMR, for his assistance with the EPMA analysis. This work was partially supported by the Ministry of Education, Science, Sports and Culture, Grant-in-Aid for Scientific Research (B), 12555205, 2000 (AY) and Grant-in-Aid for Encouragement of Young Scientists, 12750592, 2000 (AY). This was also partially supported by the Research for the Future Program, “Growth and characterization of single crystals for the new future functional devices”, JSPS.",

year = "2002",

month = jan,

doi = "10.1016/S0025-5408(01)00788-7",

language = "English",

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journal = "Materials Research Bulletin",

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AU - Yoshikawa, A.

AU - Kagamitani, Y.

AU - Pawlak, D. A.

AU - Sato, H.

AU - Machida, H.

AU - Fukuda, T.

N1 - Funding Information: Mr. Murakami, of the Laboratory for Developmental Research of Advanced Materials in IMR, for his assistance with the EPMA analysis. This work was partially supported by the Ministry of Education, Science, Sports and Culture, Grant-in-Aid for Scientific Research (B), 12555205, 2000 (AY) and Grant-in-Aid for Encouragement of Young Scientists, 12750592, 2000 (AY). This was also partially supported by the Research for the Future Program, “Growth and characterization of single crystals for the new future functional devices”, JSPS.

PY - 2002/1

Y1 - 2002/1

N2 - Tb3Sc2Al3O12 single crystals with the garnet-type structure and having 〈111〉 orientation were grown by the Czochralski method. This material shows good characteristics as Faraday rotator. The distribution of cations in Tb3Sc2Al3O12 single crystals is discussed together with the dependence of the lattice constant on the solidification fraction. The crystal shows good transparency in the region from 395 to 1500nm. The absorption band around 486nm, corresponding to the 7F6 → 5D4 transition line of Tb3+ ions was observed. The crystallinity was studied using XRC analysis. Measured Verdet constant of the Czochralski grown crystal was as high as that reported for Tb3Al5O12, which could not be grown by the Czochralski method.

AB - Tb3Sc2Al3O12 single crystals with the garnet-type structure and having 〈111〉 orientation were grown by the Czochralski method. This material shows good characteristics as Faraday rotator. The distribution of cations in Tb3Sc2Al3O12 single crystals is discussed together with the dependence of the lattice constant on the solidification fraction. The crystal shows good transparency in the region from 395 to 1500nm. The absorption band around 486nm, corresponding to the 7F6 → 5D4 transition line of Tb3+ ions was observed. The crystallinity was studied using XRC analysis. Measured Verdet constant of the Czochralski grown crystal was as high as that reported for Tb3Al5O12, which could not be grown by the Czochralski method.

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KW - B. Crystal growth

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KW - Magnetic properties

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