INFLUENCE OF CHEMISORPTION ON THE MAGNETIC-PROPERTIES OF METALLIC IRON NANOPARTICLES

被引:10
作者
BODKER, F
MORUP, S
LINDEROTH, S
机构
[1] TECH UNIV DENMARK,DEPT PHYS,DK-2800 LYNGBY,DENMARK
[2] RISO NATL LAB,DEPT MAT,DK-4000 ROSKILDE,DENMARK
关键词
D O I
10.1016/0304-8853(94)01506-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Nano-sized alpha-Fe particles on a carbon support have been studied by Mossbauer spectroscopy. It is found that chemisorption of CO results in formation of a diamagnetic surface component. The magnetic anisotropy energy constant is only slightly affected by chemisorption of carbon monoxide and hydrogen.
引用
收藏
页码:373 / 374
页数:2
相关论文
共 6 条
[1]   SURFACE EFFECTS IN METALLIC IRON NANOPARTICLES [J].
BODKER, F ;
MORUP, S ;
LINDEROTH, S .
PHYSICAL REVIEW LETTERS, 1994, 72 (02) :282-285
[2]   MOSSBAUER STUDIES OF ULTRAFINE IRON-CONTAINING PARTICLES ON A CARBON SUPPORT [J].
BODKER, F ;
MORUP, S ;
OXBORROW, CA ;
LINDEROTH, S ;
MADSEN, MB ;
NIEMANTSVERDRIET, JW .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1992, 4 (31) :6555-6568
[3]   FINITE-SIZE MODIFICATIONS OF THE MAGNETIC-PROPERTIES OF CLUSTERS [J].
HENDRIKSEN, PV ;
LINDEROTH, S ;
LINDGARD, PA .
PHYSICAL REVIEW B, 1993, 48 (10) :7259-7273
[4]   MAGNETISM AND CHEMISORPTION [J].
JOHNSON, PD .
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 1990, 51 :249-262
[5]   MAGNETIC-PROPERTIES OF MICRO-CRYSTALS STUDIED BY MOSSBAUER-SPECTROSCOPY [J].
MORUP, S ;
TOPSOE, H ;
CLAUSEN, BS .
PHYSICA SCRIPTA, 1982, 25 (06) :713-719
[6]   SURFACE SCIENCE AS THE BASIS FOR THE UNDERSTANDING OF THE CATALYTIC SYNTHESIS OF AMMONIA [J].
STOLTZE, P .
PHYSICA SCRIPTA, 1987, 36 (05) :824-864