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作者:

Xu, Hong (Xu, Hong.) | Jiang, Yijian (Jiang, Yijian.) (学者:蒋毅坚) | Fan, Xiujun (Fan, Xiujun.) | Wang, Yue (Wang, Yue.) | Liu, Guoqing (Liu, Guoqing.)

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EI Scopus SCIE

摘要:

Fe:Ti:Al2O3:Al2O3 single crystals were successfully grown by the floating zone (FZ) method in different atmospheres. The grown crystals, typically about 7-8 mm in diameter and 50-70 mm in length, have been obtained from the materials of Al2O3 doped with FeTiO3 and Fe2O3. The effect of the atmosphere on the growth was studied, and the obtained single crystals presented the best crystal quality when grown in argon. The optimum growth parameters by the FZ method for this single crystal were also studied in order to grow the highest quality single crystal. The crystal has been characterized by means of X-ray diffraction (XRD) and X-ray single crystal diffraction. Meanwhile, the Raman spectroscopy indicates that the single crystal grown in argon is similar to the natural blue sapphire. The transmittance was also measured by ultraviolet and visible spectrophotometry. Coloration mechanism in the single crystals of Fe:T:Al2O3 was analyzed by an electron probe X-ray microanalyser (EPMA). It is proved that iron is the main coloring element. (C) 2013 Elsevier B.V. All rights reserved.

关键词:

Single crystal growth Sapphire X-ray diffraction Raman Floating zone technique

作者机构:

  • [ 1 ] [Xu, Hong]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Jiang, Yijian]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Jiang, Yijian]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 4 ] [Fan, Xiujun]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Yue]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 6 ] [Liu, Guoqing]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China

通讯作者信息:

  • 蒋毅坚

    [Jiang, Yijian]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF CRYSTAL GROWTH

ISSN: 0022-0248

年份: 2013

卷: 372

页码: 82-86

1 . 8 0 0

JCR@2022

ESI学科: CHEMISTRY;

JCR分区:2

中科院分区:3

被引次数:

WoS核心集被引频次: 4

SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

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