According to the traditional ferroelectricmaterial P-E characteristics, introduces factors coming from voltage, more suitable P-V characteristics can be gained.
The ferroelectricmaterial is a novel cathode material, which is characterized by its low vacuum requirement, convenient fabrication, low work function and fast reactive rate.
铁电材料作为一种新型的阴极材料，具有真空要求低、制作简单、功函数低、响应速度快等特点。
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Barium titanate (BaTiO3) is a well-known ferroelectricmaterial with high dielectric constant and low losses above room temperature, and it is extensively used in the electric industry.