| Structure and Electrorheological Performance of Nanosized Y2O3-Doped TiO2 Particle Materials |
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| 作者姓名： | 马淑珍 李淑新 廖复辉 许明远 李俊然 陈淑梅 魏宸官 高松 |
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| 作者单位： | [1]StateKeyLaboratoryofRareEarthMaterialsChemistryandApplications,CollegeofChemistryandMolecularEngineering,PekingUniversity,Beijing100871,China [2]DepartmentofChemistry,BaodingTeacher＇sCollege,Baoding071051,China [3]SchoolofVehicleandTransmissionEngineering,BeijingInstituteofTechnology,Beijing100081,China |
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| 基金项目： | ProjectsupportedbytheNationalNaturalScienceFoundationofChina ( 2 0 0 2 3 0 0 5，2 983 10 10 )，NationalKeyProjectforFun
damentalResearch (G19980 613 0 5 )andtheStateKeyLaboratoryofVehicleTransmission |
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| 摘 要： | The nanosized particle materials of doped-TiO2 with Y2O3 were prepared by means of sol-gel technique for use in electrorheological (ER) fluids, and their crystal structures were measured by X-ray diffraction (XRD) analysis. To compare with the pure TiO2, a distinct enhancement in the shear stress under dc electric field was found by using such materials. This can be explained by the increase of the dielectric loss and dielectric constant at low frequency. The effects of the crystal structure of the particles on the dielectric property and ER performance of materials were investigated.
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| 关 键 词： | 二氧化钛 纳米材料 掺杂 稀土 XRD 结构 流变学性能 |
Structure and Electrorheological Performance of Nanosized Y2O3-Doped TiO2 Particle Materials |
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| Ma Shuzhen ,Li Shuxin ,Liao Fuhui ,Xu Mingyuan ,Li Junran ,Chen Shumei ,Wei Chenguan,Gao Song.Structure and Electrorheological Performance of Nanosized Y2O3-Doped TiO2 Particle Materials[J].Journal of Rare Earths,2004,22(2):242-244. |
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| Authors: | Ma Shuzhen Li Shuxin Liao Fuhui Xu Mingyuan Li Junran Chen Shumei Wei Chenguan Gao Song |
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| Affiliation: | Ma Shuzhen 1,Li Shuxin 2,Liao Fuhui 1,Xu Mingyuan 2,Li Junran 1*,Chen Shumei 3,Wei Chenguan~3,Gao Song 1 |
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| Abstract: | The nanosized particle materials of doped-TiO_2 with Y_2O_3 were prepared by means of sol-gel technique for use in electrorheological (ER) fluids, and their crystal structures were measured by X-ray diffraction (XRD) analysis. To compare with the pure TiO_2, a distinct enhancement in the shear stress under dc electric field was found by using such materials. This can be explained by the increase of the dielectric loss and dielectric constant at low frequency. The effects of the crystal structure of the particles on the dielectric property and ER performance of materials were investigated. |
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| Keywords: | inorganic nonmetallic materials crystal structure ER performance doped-TiO_2 rare earths |
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