Permanent Magnetic Nanomaterials Beyond Neodymium-Iron Magnets

来源 :第八届国际稀土开发与应用研讨会暨第三届中国稀土峰会 | 被引量 : 0次 | 上传用户:gd1000
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  Since late 1960s nearly all the R&D efforts were focused on perfecting the rare earth(RE)magnets.
其他文献
Bastnaesite is a main kind of rare earth resources in which cerium accounts for more than 50%of the total rare earths.
Organometallic compounds of the rare earth elements have shown many interesting small molecule activation reactions,including hydrocarbon C-H bond cleavage,in the last 30 years.
Apatite is an important host mineral in igneous and metamorphic rocks for production of phosphate fertilizers and phosphoric acid.Deposits of apatite ores are the major source for rare earth elements(
Mid-heavy rare earths are of great significance in many strategic fields from superior property materials to large scale high-tech devices.
In order to recover Tb and Ga in terbium gallium garnet(Tb3Ga5O12,TGG),acid leaching be performed at crushed TGG crystal.
Baotou mixed rare earth ores are mainly treated with sulphuric acid method,including sulfatizing roasting,leaching with water,extracting with HDEHP or HEH/EHP.
Europium-activated layered perovskite ionic conductor A2La2Ti3O10:Eu3+(A = Na,K)red emitting phosphors were successfully synthesized by a modified sol-gel method.
The beneficiation process of a phosphorus rare earth ore was studied in this paper.
Compared with the commercial AB5-type alloys,AB3-type alloys exhibit much larger gaseous and electrochemical hydrogen storage capabilities [1-4].
In this paper,we introduce the theoretical basis and technological process of preparing nanometer yttrium oxide by precipitation method.