Title :
Synthesis and magnetic characterization of ZnFe2O4 nanostructure in AAO template
Author :
Jung, J.-S. ; Jung, Y.-K. ; Kim, E.-M. ; Min, S.-H. ; Jun, J.-H. ; Malkinski, L. ; Barnakov, Y. ; Spinu, L.
Author_Institution :
Dept. of Chem., Kangnung Nat. Univ., South Korea
Abstract :
Zinc ferrite nanowires inside an AAO template is fabricated using a novel technology different from electrodeposition. The physical and chemical properties of the nanowires is investigated by TGA, IR, XRD, SEM and SQUID. The nanoparticles embedded into the pores exhibited superparamagnetic behavior with the blocking temperature of 15 K. However, after annealing, the particles formed nanowires and the hysteresis of the annealed samples increased significantly. Microwave properties of the ferrites are studied using ferromagnetic resonance technique and the change in the resonant curve linewidth due to annealing is observed.
Keywords :
X-ray diffraction; annealing; ferrites; ferromagnetic resonance; magnetic hysteresis; nanoparticles; nanowires; scanning electron microscopy; superparamagnetism; thermal analysis; zinc compounds; 15 K; AAO template; SQUID; X-ray diffraction; ZnFe2O4; annealing; chemical properties; electrodeposition; ferromagnetic resonance technique; microwave properties; nanoparticles; nanostructure; physical properties; scanning electron microscopy; superparamagnetic behavior; thermogravimetry; zinc ferrite nanowires; Annealing; Chemical technology; Ferrites; Magnetic hysteresis; Nanoparticles; Nanowires; SQUIDs; Temperature; X-ray scattering; Zinc;
Conference_Titel :
Magnetics Conference, 2005. INTERMAG Asia 2005. Digests of the IEEE International
Print_ISBN :
0-7803-9009-1
DOI :
10.1109/INTMAG.2005.1463951
