The chemisorptive bonding of hydrogen on nickel
The chemisorptive bonding of hydrogen on nickel
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镍上氢的化学吸附键
DOI：
10.1016/0021-9517(76)90102-0
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发表时间：
1976
期刊：
影响因子：
--
通讯作者：
P. W. Selwood
中科院分区：
文献类型：
--
作者：
P. W. Selwood
已发表的实验结果加上有限的新数据表明，镍上化学吸附的氢必须由一个带负电荷的原子组成。受影响最大的镍原子保留了磁矩，但失去了参与铁磁交换相互作用的能力。它保留了作为金属颗粒一部分的大部分其他性质。化学计量比是一个氢对一个镍，具有较小的外围效应。在整个表面覆盖范围内，化学计量或键合模式没有变化，在一定范围内，温度变化也没有变化。这种键合与氢化镍中的键合完全不同。
Published experimental results plus a limited amount of new data show that chemisorbed hydrogen on nickel must consist of an atom carrying a negative charge. The nickel atom most affected retains a magnetic moment but loses its ability to participate in ferromagnetic exchange interaction. It retains most of its other properties as part of the metal particle. The stoichiometry is one hydrogen to one nickel with minor peripheral effects. There is no change of stoichiometry, or of bonding mode, over the whole range of surface coverage or, within limits, of temperature change. The bonding is quite different from that in nickel hydride.