PREFERENTIAL PATHS IN ALKALI ION MIGRATION AND THE MIXED-ALKALI EFFECT IN SILICATE-GLASSES

被引：64
|
作者：
BALASUBRAMANIAN, S [1 ]
RAO, KJ [1 ]
机构：
[1] INDIAN INST SCI, SOLID STATE & STRUCT CHEM UNIT, BANGALORE 560012, KARNATAKA, INDIA
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1993年 / 97卷 / 35期
关键词：
D O I：
10.1021/j100137a001
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：
The mixed alkali effect (MAE) in glasses has been investigated using molecular dynamics simulation. For the first time, it has been established using Van Hove type correlation functions that alkali ions exhibit site preferences during migration. The occurrence of conductivity minimum has been demonstrated, and reasons for suppression of MAE at high temperatures are indicated.
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收藏
页码：8835 / 8838
页数：4
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