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氟化铈颗粒(CeF3)

氟化铈颗粒(CeF3)
  • 氟化铈颗粒(CeF3)
氟化铈颗粒(CeF3)essential information
Molecular formulaCeF3
purity99.99%
CAS No7758-88-5
Molar mass197.1112
density6.16 g/mL at 25 °C
melting point1640℃
boiling point2300℃
Solubility (water)几乎不溶于水,但被水缓慢水解

氟化铈颗粒(CeF3)Product overview

氟化铈作为铈元素最高效载体(纯度>99.99%),通过湿法沉淀或气相氟化制备,具备超高闪烁效率(>25,000 ph/MeV)、抗辐射损伤特性(>10⁸ Gy)及宽谱光学透过(0.3-5 μm),主导高能粒子探测器、医学CT闪烁体、紫外光学镜头及钢铁冶金添加剂四大领域。借由纳米晶缺陷调控、铈价态稳定化(Ce³⁺/Ce⁴⁺平衡)及多孔结构设计,突破余晖效应与辐照着色瓶颈。


氟化铈颗粒(CeF3)Product application

折射率在550nm时约为1.63,可用钨舟蒸镀
◉ 嬗变-发电一体化核反应堆
​液态氟化盐中子缓冲剂​
钍铀转化比 ​1.05​(突破燃料自持临界)
中子能谱硬化率 ​​<0.01eV⁻¹​(裂变截面优化)
​裂变产物原位固化​
Cs/Sr截获容量 ​45mg/g​(熔盐净化率>99.9%)
◉ 500Wh/kg固态电池界面层
​CeF₃@LiCoO₂原子级包覆​
界面阻抗 ​0.08Ω·cm²​(硫化物电解质1/10)
4.8V高压循环寿命 ​**>2000次**​(容量保持率93%)
​三价铈价态跃迁效应​
Li⁺迁移活化能 ​0.18eV​(突破Arrhenius极限)
◉ 6H-SiC晶圆原子级抛光
​表面Ce³⁺/Ce⁴⁺氧化还原磨料​
SiC移除速率 ​2.1μm/min​(金刚石浆料6倍)
台阶高度差 ​​<0.1nm​(支撑3.5kV功率器件)
​自终止抛光机制​
Ce⁴⁺浓度梯度实时检测(表面粗糙度​<0.5Å RMS)

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