VIBRATIONAL-SPECTRA AND PHASE-TRANSITIONS IN INTERCALATED LAYERED ALKYLAMMONIUM ZIRCONIUM-PHOSPHATES

被引：13

作者：

BASINI, L

RAFFAELLI, A

ZERBI, G

机构：

[1] POLITECN MILAN,DIPARTMENTO CHIM IND,PIAZZA L DAVINCI 32,I-20133 MILAN,ITALY

[2] SNAMPROGETTI RES LABS,I-20097 SAN DONATO MILANE,ITALY

来源：

CHEMISTRY OF MATERIALS | 1990年 / 2卷 / 06期

关键词：

D O I：

10.1021/cm00012a016

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：

Temperature-dependent infrared spectra of two samples of layered zirconium phosphates intercalated with n-CH3(CH2)10CH2NH2 and n-CH3(CH2)12CH2NH2 have been recorded and studied. The purpose of the work is to understand the mechanism of phase transitions at the molecular level. Collective phonons and localized defect modes have been identified, and their thermal behavior has been studied. The transition is not first order and proceeds through several steps. Upon heating, chains contain GTG′ kinks but no liquidlike structures are observed. © 1990, American Chemical Society. All rights reserved.

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页码：679 / 684

页数：6

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