Investigations of the growth mechanism of stoichiometric LiNbO3 fibers grown by the laser-heated pedestal growth method

被引：9

作者：

Chen, Chi-Yung ^{[1
]}

Chen, Jyh-Chen ^{[1
]}

Lai, Yen-Jyh ^{[2
]}

机构：

[1] Natl Cent Univ, Dept Mech Engn, Chungli 32054, Taiwan

[2] Asia Pacific Microsyst Inc, Hsinchu 300, Taiwan

来源：

JOURNAL OF CRYSTAL GROWTH | 2005年 / 275卷 / 1-2期

关键词：

Crystal morphology; Growth from melt; Laser-heated pedestal growth; Lithium compounds; Oxides;

D O I：

10.1016/j.jcrysgro.2004.11.090

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In this study, stoichiometric lithium niobate (LiNbO3) single-crystal fibers were grown by the laser-heated pedestal growth (LHPG) method using different compositions with [Li2CO3]/[Nb2O5] = 48.6:51.4, 50:50, 55:45 and 58:42 seeds. X-ray/CCD and ICP-AES were used to confirm the crystalline structure and the composition of the fibers, respectively. Electron spectroscopy for chemical analysis (ESCA) was used to analyze the [Li]/[Nb] ratio along the axis of the fibers. Based on these measurements, the growth mechanism that produces stoichiometric LiNbO3 fibers from stoichiometric feeding rods was investigated. The results show that the growth of stoichiometric LiNbO3 fibers using the LHPG method followed the equilibrium phase diagram concept. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：E763 / E768

页数：6

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