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Structural Insights and hydrogen retention in amorphous and crystalline tungsten oxide filmsZavašnik, Janez, 1981- ...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 exposureSource: Applied Surface Science. - ISSN 0169-4332 (Vol. 692, Art. 162712, 2025, 10 str.)Type of material - article, component partPublish date - 2025Language - englishCOBISS.SI-ID - 226971395
Digital content: dCOBISS
| Author | Zavašnik, Janez, 1981- ... |
| Title | Structural Insights and hydrogen retention in amorphous and crystalline tungsten oxide films |
| Publication date | 2020-02-19 |
| COBISS.SI-ID | 226971395 |
| Publication version in repository | Publisher's version |
| Publication licence | Creative Commons Attribution 4.0 International |
| Embargo | Immediate publication for public |
Project(s) from which the publication was funded
| Title | Acronym | Project ID | Funder |
|---|---|---|---|
| Plazma in kvantne strukture | P1-0417-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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| Načrtovanje in razvoj DT-procesiranih Fe-Al zlitin s samotvornimi preprekami za prepustnost vodika za najzahtevnejša okolja | J2-4440-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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| Implementation of activities described in the Roadmap to Fusion during Horizon Europe through a joint programme of the members of the EUROfusion consortium | EUROfusion | 101052200 |
European Commission |
| A paradigm shift for the future's thermal management devices through radical innovation in new materials and additive manufacturing | ThermoDust | 101046835 |
European Commission |
Files that belong to the publication
| Link |
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https://d.cobiss.net/repository/si/files/226971395/152769/Structural-Insights-and-hydrogen-retention-in-amorphous-and-.pdf
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https://dirros.openscience.si/IzpisGradiva.php?id=21578
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Source: Personal bibliographies
and: SICRIS
