摘要
在LCAO近似下,提出一种拟合参数的方法,以确定Fe-N化合物能量积分的可调参数,从而计算结构较为复杂的Fe3N、Fe2N物理性质(如态密度等)。
Under the approximation of LCAO,this article puts forword amethod of fitting parameter to determine the adjustabale parameter of energy in tegral of Compound Fe-N.There fore we can caluclate the physical propertices(such as density of states,etc.) of Fe 3N and Fe 2N whose structures are more complicated.
关键词
能带
电子结构
态密度
铁氮化合物
parameterization,energy band,fitting,electronic structure,density of states