Potassium doping effects on the structure and magnetic properties of Sr2FeMoO6

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[1] [1,Hu, Y.C.
[2] Han, H.X.
[3] Hu, H.J.
[4] Zhang, K.L.
[5] Wang, H.Y.
[6] Jiang, Y.J.
[7] Ma, H.
[8] Lu, Q.F.
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Hu, Y.C. (yanchunhu@htu.cn) | 1600年 / Elsevier Ltd卷 / 526期
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The crystal structure and magnetic properties for the ordered double perovskite oxides Sr2-xKxFeMoO6 (0 ≤ x ≤ 0.04) are investigated. X-ray powder diffraction studies reveal that all the samples are single phase and have the I4/m symmetry. The anti-site defect (AS) in double perovskite oxides of Sr2-xKxFeMoO6 may be adjusted by alkali metal element of K doping. The unit cell magnetization at 280 K is 1.12 μB for x = 0 and 1.26 μB for x = 0.04; respectively. The cation-ordering and the FeO(1)Mo bond-angle play the competition roles on the magnetism in the doping system. © 2011 Elsevier Ltd. All rights reserved;
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