Hello,

Currently, I am calculating Mobility for Black-Phospheren Monolayer. For deformation potential,l the quantity along the y-axis is (E(CBM)-E(Vacuum). My question is How to get the E(Vacuum). I did the work function calculation and got the VAcuum level energy from there. However, My deformation Potential is not agreed with the literature (High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus). Looking forward to hearing from the expert. I will be thankful for this act of kindness.

Your Sinsere,

Nisar, USTC.

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