20.500.12556/DiRROS-21578 Structural Insights and hydrogen retention in amorphous and crystalline tungsten oxide films We investigated structural characteristics of and hydrogen isotope interactions with thermally and electro chemically synthesized tungsten oxide (W-oxide) thin films (≤50 nm). Specifically, we assessed whether elec trochemically synthesized W-oxide could serve as a suitable proxy for thermally grown films in hydrogen interaction studies. The W-oxide thin films were exposed to low-energetic atomic deuterium (D) to explore the hydrogen uptake, retention, and intercalation effects of the W-oxide structure. The W-oxides were characterized using grazing incidence X-ray diffraction (GI-XRD), scanning and transmission electron microscopy (SEM, TEM), Raman spectroscopy, and Fourier-transform infrared spectroscopy (FTIR) before and after deuterium exposure. The thermally grown W-oxides are crystalline, composed of orthorhombic WO3, while the electrochemically grown W-oxides are amorphous with nanocrystalline domains. Deuterium retention studies revealed that the electrochemically grown W-oxides show higher initial D retention compared with their thermally grown coun terparts and lower D release over time during storage, suggesting stronger D binding within the amorphous matrix. Using ion beam analysis, we quantified the deuterium retention and examined the depth-resolved reduction of the oxide within the films following deuterium exposure tungsten vodikovi izotopi strukture kristalov true false true Elsevier Nizozemska Angleški jezik Slovenski jezik © 2025 The Author(s) Neznano 2025-02-28 11:33:49 2025-02-28 11:33:50 2025-03-01 03:36:03 0000-00-00 00:00:00 2025 0 0 10 str. Art. 162712 Vol. 692 2025 0000-00-00 Zaloznikova Objavljeno NiDoloceno 2024-12-12 2025-02-15 2025-02-19 539 0169-4332 10.1016/j.apsusc.2025.162712 226971395 RAZ_Zavasnik_Janez_2025.pdf RAZ_Zavasnik_Janez_2025.pdf 1 40F53427FA63612FF3FA6DA73BF1880C 4c2d376a99b7842e62a4155a1814513dbb10c4bafc3b50c95d8c0755e60875dd 28af1dbe-f5c0-11ef-9f1e-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=30878 Institut Jožef Stefan 0 0 0