Experimental parameters during optical floating zone crystal growth of rare earth silicides

被引：1
|
作者：
Xu, Yi-Ku [1 ]
Chen, Yong-Nan [1 ]
Guo, Ya-Jie [1 ]
Liu, Lin [2 ]
Zhang, Jun [2 ]
Loeser, Wolfgang [3 ]
机构：
[1] Changan Univ, Sch Mat Sci & Engn, Xian 710064, Peoples R China
[2] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
[3] Leibniz Inst Solid State & Mat Res, Inst Solid State Res, D-01069 Dresden, Germany
来源：
RARE METALS | 2014年 / 33卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Floating zone technique; Crystal growth; Growth parameters; Rare earth silicides; INTERMETALLIC COMPOUNDS; SINGLE-CRYSTALS;
D O I：
10.1007/s12598-014-0231-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Optical floating zone (FZ) crystal growth involving growth stability and as-grown crystal perfection is affected by experimental conditions and the specific material. Referring to rare earth silicides, high purity of raw rare earth elements and ambient argon atmosphere are crucial to grow high-quality crystals; the maximum zone height is determined by equating the capillary forces of the surface tension; and asymmetric counter rotation of crystal and feed rod with convex (toward the melt) interfaces are favored to reach single crystals. Influences of several other growth parameters were also discussed in detail in this paper.
引用
收藏
页码：343 / 347
页数：5
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