Shock compressing diamond to a conducting fluid

被引：78

作者：

Bradley, DK ^{[1
]}

Eggert, JH ^{[1
]}

Hicks, DG ^{[1
]}

Celliers, PM ^{[1
]}

Moon, SJ ^{[1
]}

Cauble, RC ^{[1
]}

Collins, GW ^{[1
]}

机构：

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

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.93.195506

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Laser generated shock reflectance data show that diamond undergoes a continuous transition from optically absorbing to reflecting between Hugoniot pressures 600<P-H<1000 GPa. The data are consistent with diamond having a thermal population of carriers at P(H)similar to600 GPa, undergoing band overlap metallization at P(H)similar to1000 GPa and melting at 800<P-H<1000 GPa. The results agree well with an equation of state model that predicts that elemental carbon remains solid throughout the interior of Neptune.

引用

页码：195506 / 1

页数：4

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