相对于基体原子而言，替位杂质原子的凝聚能高于基体原子的凝聚能或原子半径大于基体原子，将导致体系表面能降低；
If the cohesive energy of the impurities is higher than that of the substrate ones or the doped atoms are bigger than the substrate ones, surface energy will be larger.
相对于基体原子而言，替位杂质原子的凝聚能高于基体原子的凝聚能或原子半径大于基体原子，将导致体系表面能降低；
If the cohesive energy of the impurities is higher than that of the substrate ones or the doped atoms are bigger than the substrate ones, surface energy will be larger.
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