Inhomogeneities and segregation behavior in strontium-barium niobate fibers grown by laser-heated pedestal growth technique .2.

被引：4
|
作者：
Erdei, S
Galambos, L
Tanaka, I
Hesselink, L
Cross, LE
Feigelson, RS
Ainger, FW
Kojima, H
机构：
[1] STANFORD UNIV,DEPT ELECT ENGN,STANFORD,CA 94305
[2] YAMANASHI UNIV,FAC ENGN,INST INORGAN SYNTH,KOFU,YAMANASHI 400,JAPAN
[3] STANFORD UNIV,CTR MAT RES,STANFORD,CA 94305
来源：
JOURNAL OF CRYSTAL GROWTH | 1996年 / 167卷 / 3-4期
关键词：
D O I：
10.1016/0022-0248(96)00323-5
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Inhomogeneities in Ce-doped and undoped fibers grown by laser-heated pedestal growth (LHPG) along the c- or a- axis were investigated by two-dimensional scanning electron microprobe analysis (SEPMA). SEPMA data indicated that these cores are primarily connected with the source rod compositions utilized and the convection characteristics of the LHPG technique, Ba enrichment and Sr decrease were primarily detected in the cores and qualitatively described in terms of the composition-control mechanism of LHPG, the complex-segregation and a modified Burton-Prim-Slichter (BPS) equation. Certain aspects of defect structure as a complex congruency related phenomenon are also discussed in the paper giving a more complete interpretation of the origin of cores in SBN fibers.
引用
收藏
页码：670 / 680
页数：11
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