Structural transformation of compressed solid Ar: An x-ray diffraction study to 114 GPa

被引：147

作者：

Errandonea, D ^{[1
]}

Boehler, R

Japel, S

Mezouar, M

Benedetti, LR

机构：

[1] Univ Valencia, Dept Fis Aplicada, ICMUV, E-46100 Burjassot, Spain

[2] Max Planck Inst Chem, D-55020 Mainz, Germany

[3] European Synchrotron Radiat Facil, F-38043 Grenoble, France

来源：

PHYSICAL REVIEW B | 2006年 / 73卷 / 09期

关键词：

D O I：

10.1103/PhysRevB.73.092106

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Room temperature angle-dispersive x-ray diffraction measurements on solid Ar up to 114 GPa reveal evidence of a structural phase transformation after stress relaxation by laser heating. Beyond 49.6 GPa, Ar exhibits the coexistence of fcc and hcp phases with an increasing hcp/fcc ratio, similar to the observation made recently on krypton and xenon. From the present results, we estimate the fcc-to-hcp transition to be completed at 300 GPa.

引用

页数：4

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