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Citation: LIU Ying, NING Zhao-Juan, TAN Ying, WANG Jing-Ping, ZHANG Mi-Lin. Preparation and Magetization of YIG:R(R:Co²⁺,Ni²⁺) Powder by Coprecipitation[J]. Chinese Journal of Applied Chemistry, ;2007, 24(4): 468-470. shu

Preparation and Magetization of YIG:R(R:Co²⁺,Ni²⁺) Powder by Coprecipitation

1.
a Shool of Chemical and Engineering, Harbin Engineering University, Harbin 150001;
2.
b Department of Chemistry, Harbin Normal University, Harbin

Corresponding author: WANG Jing-Ping,
Received Date: 8 May 2006
Available Online: 25 July 2006
Fund Project: 哈尔滨工程大学教育事业基金(HEUFT05082)资助项目 (HEUFT05082)

Co:YIG and Ni:YIG powder samples were prepared by decomposing the precursors at 900℃,which were obtained by coprecipitation with precipitator NH₄HCO₃.Analysis results of TG-DTA show that the R:YIG phase was obtained at about 778℃.The phase structure of the powder was characterized with X-ray diffraction.The pure phase Y₃Fe_5-xR_xO₁₂ samples were obtained when x≤0.15.Y₃Fe_5-xR_xO₁₂ was a cubic lattice structure with Ia3d space group.The structure was transformed into tetragonal lattice structure when x=0.25.The impurity appeared when x>0.15.The saturated magnetization measured by VSM was enhanced with increasing doped-content x.However,the impurity phase would led to a decrease of saturated magnetization when the doped-content was too high.
- magnetic material,
- coprecipitation,
- YIG,
- magnetization
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Preparation and Magetization of YIG:R(R:Co2+,Ni2+) Powder by Coprecipitation

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Preparation and Magetization of YIG:R(R:Co²⁺,Ni²⁺) Powder by Coprecipitation