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多多少少木虫 (小有名气)
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[求助]
求大神翻译，希望能详细解释~
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求翻译下面文段，希望能给出通俗易懂的的解释，谢了~ In the first case, structural isolation of a Group-V atom in its 5+ oxidation state, e.g., Sb5+ , within a Cu-rich matrix leads to a narrow Group-V-derived s-orbital band at the conduction band minimum (CBM). In combination with a narrow Cu d band at the valence band maximum (VBM), a high joint density of states and a high absorption coefficient ensue. In the second case, if the Group-V atom exists in the lower 3+ oxidation state, e.g., Sb3+ , it adopts an ns2 valence electron configuration. In this 3+ oxidation state, highly asymmetric coordination environments can lead to long distances between the Group-V atoms, resulting in flat bands and attendant high joint densities of states. |
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