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135791yx@新蟲 (小有名氣)
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[求助]
形成能 已有1人參與
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計算形成能,怎么計算單個原子的形成能呢? 發(fā)自小木蟲手機客戶端 |
木蟲 (正式寫手)
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Calculate the total energy of a pure elemental crystal and divide it by the total atom number in the unit cell Say, Copper (Cu) has a face-centered cubic (FCC) crystal structure, you can get the total energy E from a DFT calculation. There are 4 atoms in the unit cell (one on the corner, 3 on the surface), so the formation energy of Cu is E/4. |
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