rare earth fluoride

Study on the Determination of Content of Fluorine in Rare Earth Fluoride

稀土氟化物中氟的测定方法研究

The thesis showed the feature , luminescence mechanism and properties of rare earth fluoride materials .

本文阐述了稀土氟化物发光材料的特点、发光机理及发光性质。

Processing Study of Static Xeransis fluorination for Preparing Rare Earth Fluoride

静态干法氟化法制备稀土氟化物工艺研究

Rare earth fluoride is an excellent host material , but due to the low quantum yield of Rare earth fluoride , it is not satisfactory for practical application .

稀土氟化物是一种优良的基质材料，但其量子产率较低，不能很好地满足实际应用。

The optical constants of evaporated films , such as germanium , zinc sulphide , rare earth fluoride , etc , had been obtained by fitting the transmission spectrum based on Lorenz oscillator model .

使用经典洛伦兹谐振子模型对热蒸发制备的锗、硫化锌以及低吸收稀土氟化物薄膜的红外透射光谱进行拟合，得出这些材料在中长波红外区的光学常量。

In order to make the electrolyzing much easier and reduce the cost of molten salt electrolysis with rare earth fluoride system , NaF or other alkali fluorides are supposed to replace LiF currently used in RE electrolysis as additive .

我国现行稀土氟盐电解采用LiF作添加剂，电解操作困难，电解成本高。采用廉价的NaF或其它碱金属氟化物替代或部分替代LiF，是稀土电解的一个研究方向。

Preparation and Luminescence Characteristics of Rare Earth Doped Fluoride Nanocrystal

稀土掺杂氟化物纳米晶的合成及发光性能

Synthesis and Fluorescence Properties of Rare-earth Doped Complex Fluoride Nanoparticles ; Preparation and Luminescence Characteristics of Rare Earth Doped Fluoride Nanocrystal

稀土掺杂复合氟化物纳米晶的制备和发光特性稀土掺杂氟化物纳米晶的合成及发光性能

Especially , as up-conversion material , rare earth doped fluoride has excellent up-conversion luminescence property because of the strong ionic , wide band gap , low phonon energy , little electron cloud expansion effect of fluoride matrix .

尤其是作为上转换材料，氟化物基质的带隙宽，离子性强，电子云扩张效应小，声子能量低，从而使得稀土离子掺杂的氟化物具有优异的上转换发光性能。

Furthermore , the energy levels of rare earth ions in fluoride glasses have long lifetimes , and much more substable levels can be formed , thus upconversion laser transition is abundant .

利用稀土离子在氟化物光纤中的上转换特性，可以获得性能优良的光纤激光器。

The numerical analysis method of temperature field in rare earth electrolysis cell of fluoride system was studied in this paper . Temperature field of electrolysis cell is calculated by finite-element method ( FEM ), the result is reference for the developing design of new cell .

研究了氟化体系稀土电解槽温度场问题的数值模拟分析方法，采用有限元法计算了新的电解槽温度场，其分析结果，为新槽体的开发设计提供了参考依据。

When it comes to the preparation of rare earth halides , there are three conventional methods in the synthesis of anhydrous rare earth fluoride , i.e. produce REF : , precipitation in solution by the reaction between rare earth oxides and HF acid .

在科研和生产实践中，无水氟化稀土常用的合成方法有：氢氟酸沉淀-真空脱水法、氟化氢气体氟化法和氟化氢铵氟化法三种方法。