本文对用不同方法制备的YBCO和BSCCO陶瓷掺杂样品的物相和电阻特性进行了分析、比较。
This paper analyzed and compared the crystal phases and resistance-temperature properties of doped YBCO and BSCCO ceramic samples.
施主掺杂的钛酸钡陶瓷的PT CR效应来源于晶界上的钡空位。
Barium vacancy existed in grain boundary is responsible for the PTCR effect observed in donor doped barium titanate ceramics.
同样的烧结条件下，钛酸钡陶瓷的PT CR效应随b 2 O 3蒸汽掺杂源的浓度升高而升高。
Given the same sintering condition, doping with higher level of the vapor B2O3 source results in the higher PTCR effect.
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