The choice of electron-positron correlation functional produces substantially different positron lifetime values in lead halide perovskites, especially for A-site vacancies, and may require reinterpretation of experimental measurements.
Evidence of Different Positron Annihilation Quantum Statesin Methylammonium Lead Iodide 26 Depending on Preparation
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Challenges in predicting positron annihilation lifetimes in lead halide perovskites: correlation functionals and polymorphism
The choice of electron-positron correlation functional produces substantially different positron lifetime values in lead halide perovskites, especially for A-site vacancies, and may require reinterpretation of experimental measurements.