Barium titanate (BaTiO3) based ceramics wh ich exhibit positive temperature coefficient of resistivity (PTCR) effec t were doped by yttrium fluoride (YF3) under different atmosphere.

• 在不同气氛下制备了YF3掺杂钛酸钡材料,并对其电阻的正温度系数特性进行了研究。