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Chin. Phys. B, 2008, Vol. 17(5): 1858-1862    DOI: 10.1088/1674-1056/17/5/052

Structural and magnetic properties of Co1-xZnxFe2O4 nanoparticles

Wang Li(王丽) and Li Fa-Shen(李发伸)
Institute of Applied Magnetics, Key Laboratory for Magnetism and Magnetic Material of the Education Ministry, Department of Physics, Lanzhou University, Lanzhou 730000, China
Abstract  Co1-xZnxFe2O4 nanoparticles, prepared by the polyvinyl alcohol sol--gel method, have been investigated by x-ray diffraction and Mössbauer spectroscopy. These results are compared with those for the bulk material. The lattice parameters of CoZn ferrite nanoparticles are larger than those of the bulk material. Thermal scanning of Mössbauer measurement shows that the transition temperatures for nanoparticles are higher than those of the bulk material except for the sample CoFe2O4.
Keywords:  ferrite      nanoparticle      M?ssbauer spectra  
Received:  07 September 2007      Revised:  12 October 2007      Accepted manuscript online: 
PACS:  75.75.+a  
  61.05.cp (X-ray diffraction)  
  75.50.Gg (Ferrimagnetics)  
  75.50.Tt (Fine-particle systems; nanocrystalline materials)  
  76.80.+y (M?ssbauer effect; other γ-ray spectroscopy)  
  81.20.Fw (Sol-gel processing, precipitation)  

Cite this article: 

Wang Li(王丽) and Li Fa-Shen(李发伸) Structural and magnetic properties of Co1-xZnxFe2O4 nanoparticles 2008 Chin. Phys. B 17 1858

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