Published January 2001
| Version v1
Journal article
Electronic structure of RbCl and Rb2ZnCl4 in solid and liquid states: analysis of near structure of X-ray absorption
- 1. Rostovskij Gosudarstvennyj Univ., Rostov-na-Donu (Russian Federation)
- 2. Inst. Fiziki AN Kitaya, Otdelenie Fiziki Kondesirovannogo Sostoyaniya, Pekin (China)
Description
The experimental absorption spectra for the Rb K-edge in the RbCl and Rb2ZnCl4 structures in the solid state and in the melt are obtained. The detailed analysis of the RbCl electron structure is carried out through the method of complete multiple scattering and good agreement with the experimental spectrum is obtained. The thin structure of free electron states in the conductivity zone of the studied compound is determined. It is shown that the rubidium nonoccupied states are in a significant degree hybridized with the Cl p-states in the conductivity band. It is established that the RbCl melt may be with sufficiently good approximation described on the basis of the cluster model with the Debye-Waller parameters σ2 = 0.3 A-2
Abstract (Russian)
Получены экспериментальные спектры поглощения вблизи края поглощения для К-края Rb в RbCl и Rb2ZnCl4 в твердом состоянии и расплаве. Методом полного многократного рассеяния проведен подробный анализ электронной структуры RbCl и получено хорошее согласие с экспериментальным спектром. Определена тонкая структура свободных электронных состояний в зоне проводимости исследованного соединения. Показано, что незанятые p-состояния рубидия являются в значительной степени гибридизированными с Cl p-состояниями в полосе проводимости. Установлено, что расплав RbCl можно с достаточно хорошим приближением описать на основе кластерной модели с параметром Дебая-Уолтера σ2 = 0,3 A-2Additional details
Additional titles
- Original title (Russian)
- Электронная структура RbCl и Рб
Publishing Information
- Journal Title
- Fizika Tverdogo Tela
- Journal Volume
- 43
- Journal Issue
- 1
- Journal Page Range
- p. 21-24
- ISSN
- 0367-3294
- CODEN
- FTVTAC
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 33009663
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- ABSORPTION SPECTRA; CLUSTER MODEL; CRYSTAL-PHASE TRANSFORMATIONS; DEBYE-WALLER FACTOR; ELECTRONIC STRUCTURE; ENERGY-LEVEL DENSITY; K ABSORPTION; MULTIPLE SCATTERING; P STATES; RUBIDIUM CHLORIDES; X RADIATION; ZINC CHLORIDES
- Descriptors DEC
- ABSORPTION; ALKALI METAL COMPOUNDS; CHLORIDES; CHLORINE COMPOUNDS; ELECTROMAGNETIC RADIATION; ENERGY LEVELS; HALIDES; HALOGEN COMPOUNDS; IONIZING RADIATIONS; MATHEMATICAL MODELS; NUCLEAR MODELS; PHASE TRANSFORMATIONS; RADIATIONS; RUBIDIUM COMPOUNDS; SCATTERING; SORPTION; SPECTRA; ZINC COMPOUNDS; ZINC HALIDES
Optional Information
- Notes
- 21 refs., 5 figs.; 1 tab.