α-Glycine under high pressures:: a Raman scattering study

被引：126

作者：

Murli, C ^{[1
]}

Sharma, SM ^{[1
]}

Karmakar, S ^{[1
]}

Sikka, SK ^{[1
]}

机构：

[1] Bhabha Atom Res Ctr, Synchrotron Radiat Sect, Bombay 400085, Maharashtra, India

来源：

PHYSICA B-CONDENSED MATTER | 2003年 / 339卷 / 01期

关键词：

alpha-glycine; Raman spectroscopy; high pressure; hydrogen bond;

D O I：

10.1016/S0921-4526(03)00446-0

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

High-pressure behaviour of alpha-glycine has been investigated up to similar to23 GPa using Raman scattering technique. The experimental results show slope change in the CO2 bending, NH3 torsional and NH3 rocking modes around 3 GPa and are interpreted in terms of change in the nature of an N-(HO)-O-...-C intra-layer hydrogen bond at this pressure. Several other spectral features seem to arise from pressure-induced variations in the inter-molecular coupling. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：23 / 30

页数：8

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