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Comment on 'The effect of pressure on the physical properties of Cu3N'

机译:评论“压力对Cu3N物理性能的影响”

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摘要

Recently, Ghoohestani et al (2014 Phys. Scr. 89 035801) published a paper in which they investigated the effect of the pressure on structural, optical and electronic properties of copper nitride (Cu3N) in its phase cubic anti-ReO3 structure. After studying the article I found that there are some numerical mistakes in the density, longitudinal, transverse and average elastic wave velocities, and the Debye temperature. These mistakes are certainly due to the inaccurate application of the formula used to calculate the density. In the present comment, we recalculate and we give the correct numerical values of previous quantities, based on the lattice constants and the elastic constants obtained in their work.
机译:最近,Ghoohestani等人(2014 Phys。Scr。89 035801)发表了一篇论文,研究了压力对其相立方抗ReO3结构中氮化铜(Cu3N)的结构,光学和电子性能的影响。在研究了这篇文章之后,我发现在密度,纵向,横向和平均弹性波速度以及德拜温度上存在一些数值错误。这些错误肯定是由于用于计算密度的公式应用不正确所致。在本评论中,我们根据其工作中获得的晶格常数和弹性常数重新计算并给出先前数量的正确数值。

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