第一性原理计算B-Nb2O5晶体的电子结构和光学性质

Journal of Inner Mongolia University of Technology(Natural science edition)(2017)

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Abstract
采用第一性原理的GGA/PBE算法计算了B-Nb2O5晶体的电子结构和光学性质.结果表明B-Nb2O5是n型宽禁带且具有较强金属特性的半导体材料,禁带宽度为2.622eV,利用能带和态密度的计算结果从电子微观结构分析了介电函数、吸收系数、折射率、反射率和能量损失函数之间的关系,为B-Nb2O5提供了更加深入的理论依据,计算结果符合较好.
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