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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 13    No. 2    April 2003

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Surface topography of La-Ti composite oxide nanocrystallines examined with atomic force microscope
GU Li (谷 俐)1, WANG Yuan-liang(王远亮)1, 
YANG Hua(杨 华)2, TANG Li-ling(唐丽灵)1
WU Jun-han(吴浚瀚)3, XIA Lie-wen(夏烈

1. National Key Lab on Biomechanics and Tissue Engineering Under the State Education Ministry, Bioengineering College, 
Chongqing University, Chongqing 400044, China; 
2. Chemistry and Chemical Technology College, 
Central South University, Changsha 410083, China;
3. Institute of Chemistry, Chinese Academy of Sciences, Beijing 10083, China

Abstract:By means of atomic force microscope, the surface pattern, particle size distribution, and specific surface area of La-Ti composite oxide were studied. The compound particle surface appears as a smooth sheet, the even size of the compound ranges from 19.85nm to 25.38nm. The particle seems smooth, which erects at a height from 4.69nm to 5.88nm.The surface area ranges from 58.90nm2 to 1238.04nm2. The La-Ti composite oxide nanocrystallines enjoy a narrow and even particle size distribution and accumulate closely.

 

Key words:  La-Ti composite oxide; nanocrystallines; surface pattern; atomic force microscope

ISSN 1672-7029
CN 43-1423/U

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