Abstract
By citrate sol-gel auto-combustion method, the nanophase M-type planar hexagonal ferrite is prepared. The transmission electron microscopy (TEM), X-ray diffraction (XRD) and thermal analysis are used to study the grain size, phase composition, microstructure and crystallization process. The results show that the nanophase M-type Sr-ferrite prepared by this method is single, and its grain size is smaller than 100 nm. Moreover, most of the grains present hexagonal sheet shape. Tests are carried out for its attenuation to 1.06 μm laser. It is found that the extinction capability of the nanophase M-type Sr-ferrite smoke is good, and its mass extinction coefficient is 1.628 m2/g.
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Liu, Xc., Cheng, X., Zhang, L. et al. Preparation of nanophase M-type ferrite and its laser-attenuated characteristics. Optoelectron. Lett. 7, 287–290 (2011). https://doi.org/10.1007/s11801-011-1028-5
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DOI: https://doi.org/10.1007/s11801-011-1028-5