WOHLFARTH E P.Handbook of Magnetic Materials Vol.1[M].Holland:North-Holland Publishing Company,1980.
[4]
WEISS N,CREN T,EPPLE M,et al.Uniform magnetic properties for an ultrahigh-density lattice of noninteracting Co nanostructures[J].Physical Review Letters,2005,95(15):157204-157207.
[5]
GRANQVIST C G,BUHRMAN R A.Ultrafine metal particles[J].Journal of Applied Physics,1976,47(5):2200-2219.
[6]
DONG X L,ZHANG Z D,CHUANG Y C,et al.Characterization of ultrafine Fe-Co particles and Fe-Co(C) nanocapsules[J].Physical Review B,60(5):3017-3020.
[7]
KITAKAMI O,SATO H,SHIMADA Y,et al.Size effect on the crystal phase of cobalt fine particles[J].1997,56(21):13849-13854.
[8]
ZHAO X Q,VEINTEMILLAS-VERDAGUER S,BOMATI-MIGUEL O,et al.Thermal history dependence of the crystal structure of Co fine particles[J].Physical Review B,2005,71(2):024106-024112.
[9]
WOLTERSDORF J,NEPIJKO A S,PIPPEL E.Dependence of lattice parameters of small particles on the size of the nuclei[J].Surface Science,1981,106(1/3):64-69.