XPS analysis of submicrometer barium titanate powder

被引:111
作者
Wegmann, M [1 ]
Watson, L
Hendry, A
机构
[1] Swiss Fed Labs Mat Testing & Res, EMPA, Lab High Performance Ceram, CH-8600 Dubendorf, Switzerland
[2] Univ Strathclyde, Dept Mech Engn, Mat & Met Grp, Glasgow G1 1XJ, Lanark, Scotland
关键词
D O I
10.1111/j.1551-2916.2004.00371.x
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
A commercial submicrometer BaTiO3 powder was analyzed using X-ray photoelectron spectroscopy. The analysis revealed the powder surfaces to be covered with a layer of physisorbed H2O and chemisorbed -OH ions. A BaCO3 residual not detected with XPS was shown to be present in the powder using X-ray diffraction, suggesting that the carbonate takes the form of discrete particles rather than of a continuous surface layer. A relaxed surface phase detected in previous XPS analyses of bulk BaTiO3 was also shown to be present. Depth profiling revealed the powder surfaces to be Ti-rich, confirming the presence of a phase, or phases, to stoichiometrically balance the barium carbonate.
引用
收藏
页码:371 / 377
页数:7
相关论文
共 41 条
[21]   THE POSITIVE TEMPERATURE-COEFFICIENT OF RESISTIVITY IN BARIUM-TITANATE [J].
HUYBRECHTS, B ;
ISHIZAKI, K ;
TAKATA, M .
JOURNAL OF MATERIALS SCIENCE, 1995, 30 (10) :2463-2474
[22]  
*INT CTR DIFFR DAT, 1996, 50626 INT CTR DIFFR
[23]  
*INT CTR DIFFR DAT, 1996, 50378 INT CTR DIFFR
[24]  
LEBARS N, 1995, J COLLOID INTERF SCI, V175, P4100
[25]   NON-EQUILIBRIUM SURFACE SEGREGATION OF SILICON IN IRON SILICON SINGLE-CRYSTALS [J].
BEZUIDENHOUT, F ;
DUPLESSIS, J ;
VILJOEN, PE .
APPLIED SURFACE SCIENCE, 1984, 17 (03) :374-377
[26]  
LUMSDEN J, 1992, ASM HDB, V10, P568
[27]   X-ray photoelectron spectroscopy characterization of barium titanate ceramics prepared by the citric route. Residual carbon study [J].
Miot, C ;
Husson, E ;
Proust, C ;
Erre, R ;
Coutures, JP .
JOURNAL OF MATERIALS RESEARCH, 1997, 12 (09) :2388-2392
[28]   NIOBIUM IMPLANTATION EFFECTS IN BATIO3 AND SRTIO3 [J].
MORETTI, P ;
CANUT, B ;
RAMOS, SMM ;
THEVENARD, P ;
GODEFROY, G .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1992, 65 (1-4) :264-269
[29]  
MORONEY L, 1983, J CHEM SOC F1, V10, P1769
[30]  
MOULSON AJ, 1990, ELECTROCERAMICS, P68