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
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页码：195506 / 1
页数：4
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