García Fernández, JavierHernando González, MaríaTorres Pardo, María De La AlmudenaLópez García, María LuisaFernández-Díaz, María TeresaZhang, QingTerasaki, OsamuRamírez Castellanos, JulioGonzález Calbet, José María2024-01-082024-01-082023García-Fernández, J.; Hernando, M.; Torres-Pardo, A.; López, M.L.; Fernández-Díaz, M.T.; Zhang, Q.; Terasaki, O.; Ramírez-Castellanos, J.; González-Calbet, J.M. Characterization of Tunneled Wide Band Gap Mixed Conductors: The Na2O-Ga2O3-TiO2 System. Nanomaterials 2023, 13, 2054. https://doi.org/10.3390/nano131420542079-499110.3390/nano13142054https://hdl.handle.net/20.500.14352/91873This article focuses on the Na2O-Ga2O3-TiO2 system, which is barely explored in the study of transparent conductive oxides (TCOs). NaxGa4+xTin−4−xO2n−2 (n = 5, 6, and 7 and x ≈ 0.7–0.8) materials were characterized using neutron powder diffraction and aberration-corrected scanning transmission electron microscopy. Activation energy, as a function of different structures depending on tunnel size, shows a significant improvement in Na+ ion conduction from hexagonal to octagonal tunnels. New insights into the relationship between the crystal structure and the transport properties of TCOs, which are crucial for the design and development of new optoelectronic devices, are provided.engjournal articlehttps://doi.org/10.3390/nano13142054open access546Nano-characterizationNeutron powder diffractionQuímica inorgánica (Química)2303.99 Otras