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[求助]
只有金屬才有功函數(shù)(work function)嗎? 已有2人參與
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鐵桿木蟲 (著名寫手)
鐵蟲 (初入文壇)
木蟲 (知名作家)
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????????work function????????????ó?????????????????????????????????ЙC?????????????е??????? (e.g. ??????????????????????? PEI .... ) https://en.wikipedia.org/wiki/Work_function In solid-state physics, the work function (sometimes spelled workfunction) is the minimum thermodynamic work (i.e. energy) needed to remove an electron from a solid to a point in the vacuum immediately outside the solid surface. Here "immediately" means that the final electron position is far from the surface on the atomic scale, but still too close to the solid to be influenced by ambient electric fields in the vacuum. The work function is not a characteristic of a bulk material, but rather a property of the surface of the material (depending on crystal face and contamination). |
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