First-principles study of structural stability, electronic properties and lattice thermal conductivity of KAgX (X = S, Se, Te)Mahmoud M.A. Mahmoud, Elkana K. Rugut, Mahlaga P. Molepo and Daniel P. JoubertEur. Phys. J. B, 92 4 (2019) 87DOI: https://doi.org/10.1140/epjb/e2019-90664-2