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Imogolite as an electron emitter and a water sensor

机译:Imogolite作为电子发射器和水传感器

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摘要

We investigated field emission (FE) properties of imogolite including the turn-on field and lifetime stability. Imogolite is an excellent electron emitter with a turn-on field of approximately 2.5-3.5 V/μm. A lifetime test revealed that imogolite protects itself during FE under exposure to O_2 gas. We also measured the current-voltage characteristics of the imogolite as a function of the amount of water adsorbed on the surface. The results suggested that the electrode-containing imogolite device could be a useful water sensor in a nanoscale environment.
机译:我们研究了imogolite的场发射(FE)特性,包括导通场和寿命稳定性。 Imogolite是一种出色的电子发射器,其开启场约为2.5-3.5 V /μm。寿命测试表明,imogolite在暴露于O_2气体的FE中可自我保护。我们还测量了伊莫高岩的电流-电压特性,该电流-电压特性是吸附在表面的水量的函数。结果表明,含电极的卵石装置在纳米级环境中可能是有用的水传感器。

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