Density effect on molecular bond length in fluid I2 by x-ray absorption spectroscopy

被引：19

作者：

Buontempo, U

Filipponi, A

Postorino, P

Zaccari, R

机构：

[1] Univ Aquila, Dipartimento Fis, I-67010 Laquila, Italy

[2] INFM, Unita Ric, I-67010 Laquila, Italy

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

[4] Univ Rome La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[5] INFM Roma 3, Unita Ric, I-00146 Rome, Italy

来源：

JOURNAL OF CHEMICAL PHYSICS | 1998年 / 108卷 / 10期

关键词：

D O I：

10.1063/1.475811

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Precise measurements of x-ray absorption spectra above the I K-edge both in the low-density gas in a wide temperature range and in the liquid along the coexistence curve have been performed, By using an advanced data analysis procedure it was possible, for the first time, to reveal changes in the structure of the I-2 molecule in the liquid as a function of density. The relevance of these changes and the possible correlations with other peculiar properties of liquid I-2, and in particular with the metallization transition observed in the liquid under pressure, are discussed. (C) 1998 American Institute of Physics.

引用

页码：4131 / 4137

页数：7

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