Excess water dynamics in hydrotalcite: QENS study

被引：9

作者：

Mitra, S ^{[1
]}

Pramanik, A

Chakrabarty, D

Mukhopadhyay, R

机构：

[1] Bhabha Atom Res Ctr, Div Solid State Phys, Bombay 400085, Maharashtra, India

[2] Hindustan Lever Res Ctr, Bombay 400099, Maharashtra, India

来源：

PRAMANA-JOURNAL OF PHYSICS | 2004年 / 63卷 / 02期

关键词：

porous materials; diffusion; neutron scattering;

D O I：

10.1007/BF02705012

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Results of the quasi-elastic neutron scattering (QENS) measurements on the dynamics of excess water in hydrotalcite sample with varied content of excess water are reported. Translational motion of excess water can be best described by random translational jump diffusion model. The observed increase in translational diffusivity with increase in the amount of excess water is attributed to the change in binding of the water molecules to the host layer.

引用

页码：437 / 441

页数：5

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