提出了化学镀镍溶液中的还原剂对PT C陶瓷的晶界产生还原从而影响PTC效应的观点。
It was proposed that the reducing agent of electroless plating solution could have some reducing reaction to the grain boundary of PTC ceramics and thus had influence on PTC effect.
从两态捕获模型出发，导出了正电子平均寿命与晶粒大小之间的关系，并且预言了晶界正电子饱和捕获效应的存在。
The relationship between positron mean lifetime and grain size, based on two state trapping model, has been developed, and the saturation trapping at grain boundaries has been predicated.
这是由于晶界处以及颗粒内部增加的自旋相关的散射和隧穿效应所致。
It is due to the enhancement of spin dependent and independent scattering and tunneling effects on the interfaces of grain boundaries and inside the grains.
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.
在高温下，由于钡空位的增加、晶粒较细晶界较多和晶界的氧化作用等增加了材料的PTC效应。
The improvement of the PTC characteristics was induced by the more oxide of the grain boundary of the refiner particle size and an increase of the Barium vacancy.
的钝化效应减少了载流子的散射中心，降低了晶界势垒，有效地提高了载流子的迁移率。
F-passivation decreased the scattering centers of the carriers and the height of the potential barriers at the grain boundaries, thus, increased the Hall mobility of the carriers.
晶界空间电荷效应导致GD C薄膜电导率随晶粒尺寸而变化，晶粒尺寸越小，电导率越大。
Conductivity varies with grain size of GDC films due to the grain boundary space charge effect, the smaller the grain size, the higher the conductivity and vice versa.
晶界空间电荷效应导致GD C薄膜电导率随晶粒尺寸而变化，晶粒尺寸越小，电导率越大。
Conductivity varies with grain size of GDC films due to the grain boundary space charge effect, the smaller the grain size, the higher the conductivity and vice versa.
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