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Yttrium oxyfluoride, starting material powder for production of stabilized yttrium oxyfluoride, and method for producing stabilized yttrium oxyfluoride
Yttrium oxyfluoride, starting material powder for production of stabilized yttrium oxyfluoride, and method for producing stabilized yttrium oxyfluoride
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机译：氟氧化钇，用于生产稳定的氟氧化钇的原料粉末以及用于生产稳定的氟氧化钇的方法
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摘要
An yttrium oxyfluoride is represented by YOF and is stabilized by a fluoride represented by CaF2. Preferably, the number of moles of Ca with respect to 100 mol of yttrium is from 8 to 40 mol. A powder material is made of a first powder mixture including a calcium fluoride powder represented by CaF2 and an yttrium oxyfluoride powder represented by YOF, or a second powder mixture including a calcium fluoride powder represented by CaF2, an yttrium fluoride powder represented by YF3, and an yttrium oxide powder represented by Y2O3. A production method involves firing a molded product of the first or second powder mixture under predetermined conditions.
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