PRESSURE-INDUCED STRUCTURAL-CHANGE OF LIQUID CESIUM

被引：25

作者：

TSUJI, K

YAOITA, K

IMAI, M

MITAMURA, T

KIKEGAWA, T

SHIMOMURA, O

ENDO, H

机构：

[1] NATL LAB HIGH ENERGY PHYS, PHOTON FACTORY, TSUKUBA, IBARAKI 305, JAPAN

[2] KYOTO UNIV, DEPT PHYS, SAKYO KU, KYOTO 606, JAPAN

[3] NATL INST RES INORGAN MAT, TSUKUBA 305, JAPAN

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1990年 / 117卷

关键词：

D O I：

10.1016/0022-3093(90)90881-L

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

X-ray diffraction for liquid cesium has been measured at pressures to 4.3 GPa, at which V/V0 is 0.4, by using synchrotron radiation. Pressure dependences of static structure factor S(Q) and pair distribution function g(r) were obtained. At about 2 GPa, a transition from bcc-like structure to fcc-like one in liquid state is suggested. Remarkable changes in S(Q) and g(r) exhibit another transition at pressure between 3 GPa and 4 GPa to a denser structure. The former transition is discussed in comparison with the pressure-induced phase transition in crystal. And the latter is discussed in relation to the 6s-5d electronic transition and the melting curve maxima. © 1990.

引用

页码：72 / 75

页数：4

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