Diamond at 800 GPa

被引：169

作者：

Bradley, D. K. ^{[1
]}

Eggert, J. H. ^{[1
]}

Smith, R. F. ^{[1
]}

Prisbrey, S. T. ^{[1
]}

Hicks, D. G. ^{[1
]}

Braun, D. G. ^{[1
]}

Biener, J. ^{[1
]}

Hamza, A. V. ^{[1
]}

Rudd, R. E. ^{[1
]}

Collins, G. W. ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 07期

关键词：

SHOCK COMPRESSION; THERMAL-EXPANSION; PHASE-DIAGRAM; X-RAY; CARBON; PRESSURES; INTERIORS;

D O I：

10.1103/PhysRevLett.102.075503

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new compression technique, which enables the study of solids into the TPa regime, is described and used to ramp (or quasi-isentropically) compress diamond to a peak pressure of 1400 GPa. Diamond stress versus density data are reported to 800 GPa and suggest that the diamond phase is stable and has significant material strength up to at least this stress level. Data presented here are the highest ramp compression pressures by more than a factor of 5 and the highest-pressure solid equation-of-state data ever reported.

引用

页数：4

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