常见金属的功函数.doc

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1、常见金属的功函数集中，以备查询 Metal WorkFunction（eV） 银Ag(silver) 4.26 铝Al(aluminum) 4.28 金Au(gold) 5.1 铯Cs(cesium) 2.14 铜Cu(copper) 4.65 锂Li(lithium) 2.9 铅Pb(lead)4.25 锡Sn(tin)4.42 铬Cr(Chromium)4.6 钼Mo(Molybdenum)4.37 钨Tungsten4.5 镍Nickel4.6 钛Titanium4.33 铍Beryllium5.0 镉Cadmium4.07 钙Calcium2.9 

2、碳Carbon4.81 钴Cobalt5.0 钯Pd(Palladium)5.12 铁Iron4.5 镁Magnesium3.68 汞Mercury4.5 鈮Niobium4.3 钾Potassium2.3 铂Platinum5.65 硒Selenium5.11 钠Sodium2.28 铀Uranium3.6 锌Zinc4.3Notes: Source: various(listedinmydissertation).  TheactualworkfunctionisVERYdependent(usually)severalfactorsincluding

3、morphology,preparation,gasonsurface,oxidation... Aluminumisastrangeone... Onceexposedtoatmospherethesurfaceoxidizesandtheeffectiveworkfunctionincreasestovaluesof10or11 !!!! Mostcommonmetalscanberoughlyassumedtohaveaworkfunctionof~4.5