Evaluation of microstructure characteristics of lithium niobate single-crystal fiber with magnesium-ion-indiffused cladding

被引：4
|
作者：
Que, WX [1 ]
Lim, SP [1 ]
Zhang, LY [1 ]
Yao, X [1 ]
机构：
[1] XIAN JIAOTONG UNIV,ELECT MAT RES LAB,XIAN 710049,PEOPLES R CHINA
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1997年 / 80卷 / 11期
关键词：
D O I：
10.1111/j.1151-2916.1997.tb03217.x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A magnesium ion indiffusion process is applied to lithium niobate single-crystal fibers. Electron probe microanalysis shows that magnesium ions have diffused into the bulk of the crystal fibers and the magnesium ion concentration in the magnesium-diffused layer has an approximately parabolic profile, which corresponds to that of theoretical simulation. It is shown by conventional X-ray diffraction and scanning electron microscopy that a good starting single crystal of the magnesium-diffused crystal fiber can be preserved by controlling suitable diffusion parameters such as diffusion temperature, diffusion time, and MgO film thickness, etc., to ensure the completeness of magnesium ion indiffusion, but the magnesium-diffused region etches differently from virgin-region crystals.
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页码：2945 / 2948
页数：4
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