CRYSTAL QUALITY AND HIGH-TEMPERATURE HARDNESS OF LAB6 CRYSTALS PREPARED BY THE FLOATING-ZONE METHOD

被引：26
|
作者：
OTANI, S
TANAKA, T
ISHIZAWA, Y
机构：
[1] National Institute for Research in Inorganic Materials 1-1, Tsukuba, Ibaraki, 305, Namiki
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1993年 / 202卷
关键词：
D O I：
10.1016/0925-8388(93)90506-I
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Micro-Vickers hardness of LaB6, La0.7Ce0.3B6, La0.82Pr0.18B6 and La0.85Nd0.15B6 crystals was measured from room temperature to 1300-degrees-C. The rare-earth substituted LaB6 Crystals were confirmed to be boundary-free as a result of solid solution hardening. In addition, the hardness measurement revealed that boundary-free LaB6 Crystals can be prepared when the growth temperature is decreased to temperatures 200-degrees-C below the melting point, which agreed well with the experimental results by the traveling solvent floating zone method.
引用
收藏
页码：L25 / L28
页数：4
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