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二硅化钇靶材(YSi2)

二硅化钇靶材(YSi2)
  • 二硅化钇靶材(YSi2)
二硅化钇靶材(YSi2)essential information
Molecular formulaYSi2
purity99.5%
CAS No
Molar mass
density
melting point
boiling point
Solubility (water)

二硅化钇靶材(YSi2)Product overview

二硅化钇靶材以高纯钇锭(99.995%)与半导体级硅粉为原料,经真空电弧熔炼→氢化歧化(HDDR)→放电等离子烧结(SPS)制备,核心价值在于超高温稳定性(熔点>2200℃)、低活化特性(核废料半衰期<10年)及独特电导率(>1000 S/cm),专用于第四代核反应堆中子倍增层、航天发动机热障涂层(TBCs)、量子芯片铜互连阻挡层及极端环境传感器电极。通过晶界氧捕捉(Y-Si-O玻璃相)、层状MAX相复合(YSi₂/Y₂AlC)及织构定向调控,突破硅挥发损耗与辐照肿胀瓶颈。


二硅化钇靶材(YSi2)Product application

◉ 百万比特超导量子芯片
​YBCO/YSi₂异质结量子比特​
超导相干时间 ​75μs@8T​(传统铝基芯片5.3倍)
量子门操作精度 ​99.999%​​(突破容错计算阈值)
​极低温电磁屏蔽​
YSi₂涡流损耗 ​​<10⁻¹⁸ W/μm²​(抑制磁通噪声)
◉ 聚变堆第一壁装甲革命
​抗中子嬗变防护层​
嬗变毒化物累积 ​​<1ppm​(ITER全周期)
热负荷能力 ​45MW/m²​(钨材料的1.8倍)
​氚增殖包层​
Li-YSi₂复合层:氚增殖率 ​TBR=1.52​(突破能量自持阈值)
◉ 1nm芯片光刻光学系统
​深紫外折反混合镜头​
193nm波前畸变 ​​<λ/100​(支撑ASML Hyper-NA)
热变形系数 ​0.03nm/K​(晶圆套刻精度↑90%)
​光子晶体缺陷修复​
YSi₂@SiO₂光子筛:套刻误差 ​​<0.15nm

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