THEORY OF PROFILES OF HYDROGEN STRETCHING INFRARED BANDS OF HYDROGEN-BONDED SOLIDS - MODEL OF STRONG-COUPLING BETWEEN THE HIGH-FREQUENCY HYDROGEN STRETCHING VIBRATION AND LOW-FREQUENCY PHONONS

被引：54

作者：

RATAJCZAK, H

YAREMKO, AM

机构：

[1] WROCLAW B BEIRUT UNIV, INST CHEM, DEPT THEORET CHEM & CHEM PHYS, PL-50383 WROCLAW, POLAND

[2] UKRAINIAN ACAD SCI, INST SEMICOND PHYS, KIEV 252028, UKRAINE

来源：

CHEMICAL PHYSICS LETTERS | 1995年 / 243卷 / 3-4期

关键词：

D O I：

10.1016/0009-2614(95)00864-Z

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：

A theory is developed to describe a broad IR absorption which appears in the range of a high-frequency stretching vibration of the X-H group involved in the hydrogen bond in solids. The theory is based on the anharmonic coupling mechanism between the high-frequency hydrogen stretching vibration. nu(XH), and low-frequency lattice phonons. The theory was constructed in the framework of the molecular exciton Davydov approach. Model calculations show that the strong anharmonic couplings between the high-frequency nu(XH) and low lattice vibration frequencies generate the broadness of the nu(XH) band.

引用

页码：348 / 353

页数：6

共 17 条

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