Ultrasonic study of liquid-quenched (AgI)(x)(Ag3PO4)(1-x) compared with (AgI)(x)(Ag4P2O7)(1-x)

被引：1
|
作者：
Doi, A [1 ]
Hayakawa, H [1 ]
Mizuno, D [1 ]
Kamioka, H [1 ]
机构：
[1] GIFU UNIV,FAC ENGN,DEPT PHYS,GIFU 50111,JAPAN
来源：
JOURNAL OF MATERIALS SCIENCE | 1996年 / 31卷 / 18期
关键词：
D O I：
10.1007/BF00355866
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The use of ultrasonic velocity-attenuation in the transition region from glassy to supercooled liquid state of the (AgI)(x)(Ag4P2O7)(1-x) system is extended to the (AgI)(x)(Ag3PO4)(1-x) system. Comparison is made between both systems. The latter system is more liable to crystallize on cooling from the melt during sample preparation, possibly due to the more spherical shape of the Ag3PO4 molecule compared to the Ag4P2O7 molecule (allowing easier rearrangement of the molecule for crystallization with AgI). By deliberate quenching one can escape crystallization, but only for the x = 0.75 composition. Ultrasonics for this glass reveal structural features which are similar to those observed by differential scanning calorimetry.
引用
收藏
页码：4811 / 4816
页数：6
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