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中国物理学会期刊

LiZn铁氧体磁结构的穆斯堡尔研究

CSTR: 32037.14.aps.34.1133

M?SSBAUER STUDY OF MAGNETIC STPUCTURE IN LITHIUM-ZINC FERRITES

CSTR: 32037.14.aps.34.1133
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  • 本文报道Li(0.5(1-x))ZnxFe(2.5-0.5x)O4体系在77K,195K和室温的条件下,加上与γ射线方向平行的磁场,可观察到六线磁分裂谱中2,5线的强度随x增加和温度降低变得明显,可确认LiZn铁氧体在B亚点阵的Fe3+磁矩存在倾角。以此计算得到的磁化强度与磁测量得到的数据符合较好。

     

    The M?ssbauer spectra of the ferrite system, Li(0.5(1-x))ZnxFe(2.5-0.5x)O4, were studied at 77 K, 195 K and room temperature in an external magnetic field parallel to the gamma-ray direction. With increasing x and decreasing temperature, the second and the fifth lines of the six magnetic splittings were observed to become clearer, which proves convincingly the existence of canting of the moment of Fe3+ populated in the (B)-sublattice of the LiZn-ferrites. The agreement between magnetizations calculated on the basis of M?ssbauer parameters and measured by the magnetic experiment is satis-factory.

     

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