SHOCK-INDUCED AMORPHIZATION OF Q-GEO2

被引：21

作者：

SURESH, N ^{[1
]}

JYOTI, G ^{[1
]}

GUPTA, SC ^{[1
]}

SIKKA, SK ^{[1
]}

SANGEETA ^{[1
]}

SABHARWAL, SC ^{[1
]}

机构：

[1] BHABHA ATOM RES CTR,DIV TECH PHYS & PROTOTYPE ENGN,BOMBAY 400085,INDIA

来源：

JOURNAL OF APPLIED PHYSICS | 1994年 / 76卷 / 03期

关键词：

D O I：

10.1063/1.357729

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Polycrystalline samples of the alpha-quartz phase of GeO2 (q-GeO2), recovered from peak shock compressions of 5, 6.8, and 10 GPa, have been examined by x-ray diffraction, thermoluminescence, and Raman techniques. The measurements show that q-GeO2 irreversibly amorphizes above 6.8 GPa. The estimates of the shear band temperature suggest that the mechanism of shock-induced amorphization in q-GeO2 is a solid-solid one, in contrast to that in SiO2 quartz which has both solid-solid and fusion-quenched components.

引用

页码：1530 / 1534

页数：5

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