国家自然科学基金(51172166)

作品数:3被引量:1H指数:1
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相关作者:高若瑞喻伟石兢熊锐张悦更多>>
相关机构:武汉大学更多>>
相关期刊:《Journal of Wuhan University of Technology(Materials Science)》《Wuhan University Journal of Natural Sciences》《物理学报》更多>>
相关主题:COFE2O4磁性研究热分解法硬磁HENKEL更多>>
相关领域:理学一般工业技术化学工程更多>>
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Magnetic Properties for the Single-domain Co Fe_2O_4 Nanoparticles Synthesized by the Hydrothermal Method
《Journal of Wuhan University of Technology(Materials Science)》2015年第6期1140-1146,共7页杨芝 ZHANG Yue SONG Yu WANG Jiawei CHEN Yuang ZHANG Zhe DUAN Nian 阮学峰 
Funded by the National Natural Science Foundation of China(51172166);the PhD Programs Foundation of City College,Wuhan University of Science and Technology(2014CYBSKY003)
The aim of this work was to investigate the size-related magnetism for the single-domain Co Fe2O4 nano-particles synthesized using the hydrothermal method. The effects of the reaction temperature and the reaction time...
关键词:hydrothermal CoFe2O4 single-domain nano-particles magnetic properties 
Effect of Sintering on Grain Boundary Microstructure and Electrical Properties of CaCu_3Ti_4O_(12) Ceramics
《Wuhan University Journal of Natural Sciences》2015年第3期255-261,共7页YANG Zhi XIONG Rui 
Supported by the National Natural Science Foundation of China(51172166);the Ph.D.Programs Foundation of City College,Wuhan University of Science and Technology(2014CYBSKY003)
CaCu3Ti4O12 ceramic with a giant dielectric constant was synthesized by sol-gel method and sintered in three different sintering conditions: 1 035 ℃ for 48 h, 1 080 ℃ for 3 h and 48 h. The phase of the ceramics, th...
关键词:CaCu3Ti4O12 sintering microstructure electrical conduction dielectric 
CoFe2O4和MnFe2O4纳米复合介质的制备及其磁性研究被引量:1
《物理学报》2012年第20期453-459,共7页高若瑞 喻伟 费春龙 张悦 熊锐 石兢 
国家自然科学基金(批准号:10974148,61106005,51172166)资助的课题~~
采用热分解法制备了分散程度高且平均晶粒尺寸为20 nm的CoFe_2O_4和MnFe_2O_4复合介质.低温磁化曲线测量显示,制备的复合介质具有软-硬磁交换弹性耦合效应,且合成温度以及软磁和硬磁相的成分比例对磁交换弹性耦合的强度有很大的影响.变...
关键词:热分解法 软-硬磁交换弹性耦合效应 表面自旋冻结效应 HENKEL 
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