Ahmad Usman

First principles investigation of structural, mechanical, thermodynamic, and electronic properties of Al-based perovskites XAlH3 (X=K, Rb, Cs) for hydrogen storage

Muhammad Umer, Nazir Ahmad, Ahmad Ayyaz et al. · International Journal of Hydrogen Energy · 2024 · 95 citations

Natural Sciences, Materials Engineering, Materials Science +15

First principles insight on mechanical stability, optical and thermoelectric response of novel lead-free Rb2ScCuBr6 and Cs2ScCuBr6 double perovskites

Ahmad Ayyaz, Ahmad Usman, Muhammad Umer et al. · Materials Science in Semiconductor Processing · 2023 · 92 citations

Natural Sciences, Materials Science, Physics +17

Structural, morphological, elastic, optoelectronic and thermoelectric properties of lead-free double perovskite Na2AgBiBr6 for photovoltaic applications: Experimental and DFT insight

Ahmad Ayyaz, Ahmad Usman, Huda Alkhaldi et al. · Ceramics International · 2024 · 82 citations

Natural Sciences, Materials Science, Physics +13

Structural, elastic, optoelectronic, and transport properties of Na-based halide double perovskites Na2CuMX6 (M = Sb, Bi, and X = Cl, Br) as renewable energy materials: A DFT insight

Ahmad Ayyaz, Muhammad Umer, Ahmad Usman et al. · Journal of materials research/Pratt's guide to venture capital sources · 2023 · 75 citations

Natural Sciences, Materials Science, Physics +14

DFT exploration of elastic, optoelectronic, and thermoelectric properties of stable and eco-friendly double perovskites Cs2YAuX6 (X=Cl, Br) for green energy applications

Ahmad Ayyaz, Maha Naeem, Ahmad Usman et al. · Journal of Physics and Chemistry of Solids · 2024 · 75 citations

Natural Sciences, Materials Science, Physics +14