Nitrogen chemisorption on alpha-Fe nanoparticles studied by in situ Mossbauer spectroscopy

被引：3
|
作者：
Bodker, F
Chorkendorff, I
Morup, S
机构：
[1] Department of Physics, Building 307, Technical University of Denmark
来源：
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS | 1997年 / 40卷 / 1-4期
关键词：
D O I：
10.1007/s004600050181
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Carbon-supported metallic iron nanoparticles with an average diameter of 2.3 nm were studied by in situ Mossbauer spectroscopy at temperatures down to 5 K and with applied magnetic fields up to 4 T. Nitrogen chemisorption at 300, 600 and 700 K on the iron particles was found only to affect the iron atoms in the surface layers, resulting in surface iron atoms bonded to nitrogen in a dumber of different types of environments.
引用
收藏
页码：152 / 154
页数：3
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