| 锶铁氧体的结构特征及制备方法研究现状 |
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| 引用本文： | 谢超,徐龙君,刘成伦.锶铁氧体的结构特征及制备方法研究现状[J].世界科技研究与发展,2012,34(3):445-449. |
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| 作者姓名： | 谢超 徐龙君 刘成伦 |
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| 作者单位： | 1. 重庆大学西南资源开发及环境灾害控制工程教育部重点实验室,重庆,400044
2. 重庆大学化学化工学院,重庆,400044 |
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| 基金项目： | 重庆市科技攻关计划项目，重庆大学研究生科技创新项目 |
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| 摘 要： | 对锶铁氧体的结构、性能特征以及主要制备方法进行了综合评述.锶铁氧体为六角晶系,属于M型铁氧体,其矫顽力主要取决于磁晶各向异性；制备方法主要有陶瓷法、化学共沉淀法、水热法、溶胶-凝胶法、熔盐合成法和自蔓延高温合成法等.水热法和溶胶-凝胶法因具有工艺简单、产品磁性能高等优点,是今后高性能锶铁氧体制备技术的主要研究方向.
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| 关 键 词： | 锶铁氧体 矫顽力 制备方法 磁性能 |
Advance on Structural Characteristics and Preparation Methods of Strontium Ferrites |
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| XIE Chao
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XU Longjun
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LIU Chenglun.Advance on Structural Characteristics and Preparation Methods of Strontium Ferrites[J].World Sci-tech R & D,2012,34(3):445-449. |
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| Authors: | XIE Chao XU Longjun LIU Chenglun |
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| Institution: | 1. Key Laboratory for the Exploitation of Southwest Resources and Environmental Disaster Control Engineering of Ministry of Education, Chongqing University, Chongqing 400044 ;2. College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044) |
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| Abstract: | The structure, properties and preparing methods of strontium ferrite have been reviewed. Strontium ferrite belongs to hexagonal ferrite and M type ferrite. Its coercivity mainly depends on the anisotropy of magnetocrystalline. There were a lot of preparing means for strontium ferrite, such as ceramic method, co-precipitation method, hydrothermal method, sol - gel method, molten salt method＇ and SHS etc. Having simple operatiing proeess and high magnetic properties, hydro-thermal method and sol - gel method will become the research hotspot of stron- tium ferrite preparation in future. |
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| Keywords: | strontium ferrite coercivity preparation magnetic properties |
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