Why do my piezoelectric tensors calculated in VASP not match those in Materials Project?
I am learning how to calculate piezoelectric tensors with vasp, taking BaTiO3 (mp-5777) as a base. According to my calculations the tensor is [[-0. , -0. , -0. , -0.42231, -0. , -0. ], [ 0.91759,...
22 September 2025
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