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[交流]
一個未配對電子的磁矩
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諸位,請教個問題: 最近看文獻有不少地方說,磁矩=根號(n(n+2))乘以波爾磁子 n表示未成對電子數(shù),這樣計算的話,一個未配對電子的磁矩理論值約為1.73 個波爾磁子, 而以往看文獻許多地方說電子的磁矩為一個波爾磁子,這是怎么回事呀?請各位不吝賜教!謝謝! |
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謝謝樓上的兄弟,我指的是一個未配對電子的自旋磁矩,參考文獻相關(guān)內(nèi)容附下: the film thickness increases. In order to understand the observed magnetic moment of the films, it is essential to have an insight into the possible electronic configurations of Cu ions in the material. Cu atoms in unionized state have an outer cell electronic configuration of 3d104s1 and, hence, Cu+ and Cu2+ ions are expected to posses 3d10 and 3d9 configurations, respectively. In 3d10 configuration, all the d electrons are paired and, hence Cu+ ions does not posses any magnetic moment. On the other hand, in the case of Cu2+ ions with d9 configuration, one unpaired electron is available. This will give rise to a spin angular momentum of 1/2 which can result in a net magnetic moment of M~1.73 uB 這里M=guB根號S乘以(S+1); 其中g(shù)=2, S=1/2. |
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