Evolution of yttria-stabilized zirconia (100) surface morphology with temperature

被引：12

作者：

Thome, T ^{[1
]}

Van, LP ^{[1
]}

Cousty, J ^{[1
]}

机构：

[1] CEA Saclay, Commissariat Energie Atom, DSM, DRECAM,SPCSI, F-91191 Gif Sur Yvette, France

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2004年 / 24卷 / 05期

关键词：

Al2O3; atomic force microscopy; diffusion; surfaces; ZrO2;

D O I：

10.1016/S0955-2219(03)00330-3

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 evolution with temperature of the morphology of yttria-stabilized zirconia (100) stepped surfaces has been studied by AFM in a non-contact dynamic mode in air. The characteristics of the surface structure as the average step heights and terrace widths are determined as a function of the annealing temperature. Step formation begins around 0.43 T-M (1000 degreesC). Step coalescence is observed above 0.50 T-M (1200 degreesC) and leads to a stable stepped structure at 0.60 T-M (1500 degreesC). The processes responsible for the structural evolution observed on the sample surfaces are discussed and a comparison with results obtained on Al2O3 (0001) single crystal surfaces under similar experimental conditions is presented. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：841 / 846

页数：6

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