EFFECT OF PARTICLE-SIZE AND SURFACE-CHEMISTRY ON THE INTERACTIONS AMONG FINE METALLIC PARTICLES

被引：25
|
作者：
GANGOPADHYAY, S
HADJIPANAYIS, GC
SORENSEN, CM
KLABUNDE, KJ
机构：
[1] KANSAS STATE UNIV AGR & APPL SCI,DEPT CHEM,MANHATTAN,KS 66506
[2] KANSAS STATE UNIV AGR & APPL SCI,DEPT PHYS,MANHATTAN,KS 66506
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1993年 / 29卷 / 06期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/20.280847
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The effect of different particle size (50-350 angstrom) and surface passivation on the magnetic behavior including interactions has been studied and corelated in Fe and Co particles. The effect of packing fraction on the above properties has also been investigated. The dc remanence (IRM and DCD) and DELTAM curves have been used to calculate various interaction parameter and quantify them, respectively. Strong exchange coupling at the core-shell interface (intra-particle interactions) has a higher contribution to the overall interactions than the interparticle dipolar interactions, especially ln the smaller particles.
引用
收藏
页码：2619 / 2621
页数：3
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