Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Stanislav Haviar"'
Publikováno v:
Nanomaterials, Vol 11, Iss 12, p 3456 (2021)
The growing hydrogen industry is stimulating an ongoing search for new materials not only for hydrogen production or storage but also for hydrogen sensing. These materials have to be sensitive to hydrogen, but additionally, their synthesis should be
Externí odkaz:
https://doaj.org/article/396bdc9648ec44f59f3c4c1e6d3c0d4f
Publikováno v:
Proceedings, Vol 56, Iss 1, p 38 (2021)
In this paper, we present two approaches to synthesize nanostructured metal oxide semiconductors in a form of multi-layer thin films later assembled as a conductometric gas-sensors. The first approach produces a combination of thin solid film of tung
Externí odkaz:
https://doaj.org/article/3452f80c54974f0c90d74609d58339a7
Publikováno v:
Materials, Vol 13, Iss 22, p 5101 (2020)
By tuning the deposition parameters of reactive high-power impulse magnetron sputtering, specifically the pulse length, we were able to prepare WO3−x films with various stoichiometry and structure. Subsequently, the films were annealed in air at mo
Externí odkaz:
https://doaj.org/article/4c14f909139f41caa5c74544abe5aa1c
Publikováno v:
Ceramics International. 48:540-547
Předmětem článku jsou tenkovrstvé keramické materiály založené na HfB2 s vysokou tvrdostí (31–41 GPa), odolností proti vzniku trhlin (poměr tvrdosti a efektivního Youngova modulu 0,13–0,16), elektrickou vodivostí (2,8–4,2 × 10^5
Publikováno v:
International Journal of Hydrogen Energy. 45:18066-18074
Dvojvrstvy o vysoké čistotě obsahující wolframit mědi (CuWO4) a sub-stechiometrický oxid wolframu (WO3-x) byly připraveny reaktivním naprašováním pomocí originálního dvoukrokového procesu. Jako první byla připravena tenká vrstva ox
Autor:
Michal Václavů, Yevhenii Ostroverkh, Stanislav Haviar, Peter Kúš, Martin Dubau, Břetislav Šmíd, Viktor Johánek, Yurii Yakovlev, Anna Ostroverkh, Roman Fiala
Publikováno v:
International Journal of Energy Research. 44:4641-4651
Publikováno v:
Nanomaterials; Volume 11; Issue 12; Pages: 3456
Nanomaterials
Nanomaterials, Vol 11, Iss 3456, p 3456 (2021)
Nanomaterials
Nanomaterials, Vol 11, Iss 3456, p 3456 (2021)
The growing hydrogen industry is stimulating an ongoing search for new materials not only for hydrogen production or storage but also for hydrogen sensing. These materials have to be sensitive to hydrogen, but additionally, their synthesis should be
Publikováno v:
The 8th International Symposium on Sensor Science.
In this study, we demonstrate the advantages of two advanced sputtering techniques for the preparation of a thin-film conductometric gas sensor. We combined tungsten oxide (WO3) thin films with other materials to achieve enhanced sensorial behavior t
Publikováno v:
Ceramics International. 45:9454-9461
High power impulse magnetron sputtering of a Ta target in various Ar + O 2 + N 2 gas mixtures was utilized to prepare amorphous tantalum oxynitride (Ta–O–N) films with a finely controlled elemental composition in a wide range. We investigate the
Publikováno v:
Vacuum. 158:52-59
The article reports on the effect of the energy ℰ delivered into the growing film on its macrostress, microstructure, mechanical properties and resistance to cracking of Ti(Al,V)N films. The Ti(Al,V)N films were deposited on Si(111) and Mo substrat