Zobrazeno 1 - 10
of 33
pro vyhledávání: '"V.K. Josepovits"'
Publikováno v:
Applied Surface Science. 255:3581-3585
The transport of Na through the polycrystalline ceramic arc tube of high intensity discharge lamps has been investigated. This complex process consists of several steps: solution in the ceramics, diffusion through the ceramics, leaving the bulk phase
Publikováno v:
Applied Surface Science. 252:8309-8313
Good colour rendering properties, high intensity and efficacy are of vital importance for high-end lighting applications. These requirements can be achieved by high intensity discharge lamps doped with different metal halide additives (metal halide l
Publikováno v:
Applied Surface Science. 227:87-93
The secondary emission coefficient, δ, of a given solid changes upon bombardment of the surface by an electron beam of high current density. Secondary emission and work function changes were measured simultaneously by work function spectroscopy duri
Publikováno v:
Microscopy and Microanalysis. 9:337-342
The changes of the work function (Φ) and the secondary electron emission (SEE) of oxygen covered polycrystalline tungsten occurring after ion sputtering and heat treatments have been investigated. The chemical composition was analyzed by X-ray photo
Autor:
Gabor Kiss, V.K. Josepovits, Bernhard Ostrick, Maximilian Fleischer, Krisztina Kovács, F. Réti, Hans Prof. Meixner
Publikováno v:
Thin Solid Films. 436:115-118
The CO sensitivity of Pt(NH3)2(NO2)2 and Pd(NH3)2(NO2)2 impregnated SnO2 thick layers was measured by following the work function change, at 90 °C. The complexes were decomposed by heat treatments in air, in the temperature range of 150–350 °C. T
Publikováno v:
Applied Surface Science. 200:185-195
The low pressure high temperature oxidation behavior of Ti–Al intermetallics are of interest to power technology aiming to synthesize this material by sintering of powders. This paper presents in situ surface analytical studies of the composition o
Autor:
V.K. Josepovits, M. Fleischer, F. Réti, Peter Deák, H. Meixner, Krisztina Kovács, O.H. Krafcsik, Gabor Kiss
Publikováno v:
Thin Solid Films. 391:239-242
In the present work the impedance spectroscopy and secondary ion mass spectrometry (SIMS) were used to study the oxygen/β-Ga2O3 interaction between 578 and 835°C. The overall resistance of the β-Ga2O3 is composed of the bulk resistance and the gra
Publikováno v:
Surface Science. :272-276
The different stages of the oxidation procedure of polycrystalline titanium have been investigated by Auger electron spectroscopy. The oxidation was carried out under distinct oxygen partial pressures in the range of 5 × 10−8−5 × 10−5 Torr at
Publikováno v:
physica status solidi (a). 193:R1-R3
Publikováno v:
Applied Surface Science. :157-164
Magneto-optical (MO) data storage combines the major advantages of magnetic (erasability, re-usability) and optical (non-contact writing and reading) recording technologies, offering storage densities of up to 5 × 108 bit/cm2 and capacities in the G