AN EXAFS STUDY OF THE LOCAL-STRUCTURE AROUND ZR ATOMS IN Y2O3-STABILIZED ZRO2 BY THE SOL-GEL METHOD

被引：16

作者：

ANTONIOLI, G

LOTTICI, PP

MANZINI, I

GNAPPI, G

MONTENERO, A

PALOSCHI, F

PARENT, P

机构：

[1] UNIV PARMA,DIPARTIMENTO FIS,I-43100 PARMA,ITALY

[2] UNIV PARMA,DIPARTIMENTO CHIM,I-43100 PARMA,ITALY

[3] LAB UTILISAT RAYONNEMENT ELECTROMAGNET,F-91405 ORSAY,FRANCE

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1994年 / 177卷

关键词：

D O I：

10.1016/0022-3093(94)90528-2

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The sol-gel synthesis of ZrO2.Y2O3 (3%) and ZrO2.Y2O3 (30%), using tetramethoxyzirconium and trimethoxyyttrium as suitable precursors, is reported. The transformation of the ZrO2.Y2O3 (3%) gel by heat treatments has been studied by X-ray diffraction and extended X-ray absorption fine structure spectroscopy. The structure around Zr atoms indicates that the transition from the gel to a tetragonal stabilized phase at 1000 degrees C is continuous at a local level without the occurrence of monoclinic or cubic phases.

引用

页码：179 / 186

页数：8

共 12 条

[1]

BINSTEAD N, SERC DARESBURY LAB P

[2]

BRINKER CJ, 1990, SOL GEL SCI PHYSICS

[3] SILICA AND SILICA-TITANIA GLASSES PREPARED BY THE SOL-GEL PROCESS [J].