RAMAN-SPECTROSCOPIC STUDY OF ALANINE DOPED TRIGLYCINE SULFATE FERROELECTRIC SINGLE-CRYSTALS

被引：26

作者：

SANTRA, L

VERMA, AL

BAJPAI, PK

HILCZER, B

HUONG, PV

机构：

[1] NE HILL UNIV,DEPT PHYS,SHILLONG 793003,MEGHALAYA,INDIA

[2] INST MOLEC PHYS,POZNAN,POLAND

[3] UNIV BORDEAUX 1,SPECT MOLEC & CRISTALLINE LAB,CNRS,URA 124,F-33405 TALENCE,FRANCE

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 1994年 / 55卷 / 05期

关键词：

FERROELECTRICS; ORDER-DISORDER TYPE PHASE TRANSITION; RAMAN STUDY OF SPT; DYNAMICS OF GLYCINE IN TGS; ALANINE DOPED TGS;

D O I：

10.1016/0022-3697(94)90165-1

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Single crystals of triglycine sulphate doped with different concentrations of alanine were studied by Raman spectroscopy, Bands due to the subspecies modes from the three crystallographically distinct glycine ions in the lattice were identified. The anisotropy measurement in specific Raman scattering geometries as a function of concentration of alanine allow us to infer that alanine preferentially replaces glycine-I ions and induces realignment of other glycine units in the lattice.

引用

页码：405 / 411

页数：7

共 50 条

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