Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Hans Prof. Meixner"'
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
Autor:
Bernhard Ostrick, O.H. Krafcsik, G. Négyesi, Gabor Kiss, F. Réti, K. Kovács, Hans Prof. Meixner, E.B. Várhegyi, János Mizsei
Publikováno v:
Sensors and Actuators B: Chemical. 68:240-243
Work function gas sensors are normally operating on the principle of potential difference measurements. In this work, the change of the work function (ΔΦ) of the Pt (
Publikováno v:
Thin Solid Films. 310:228-233
The preparation of thin AlVO4 films on corundum substrates for possible sensor application is described. Thermally stable, crack-free thin films having thicknesses typically below 0.1 μm were obtained by a sol-gel process using alkoxide reagents com
Publikováno v:
Ultramicroscopy. :169-176
In mapping the specimen surface by the STM, the surface topography is, in principle, convoluted with the profile of the tunneling tip. Only with a delta-shaped tip profile does the information measured by the STM agree with the true surface topograph
Publikováno v:
Applied Physics A Solids and Surfaces. 54:560-566
H2-induced changes of electrical conductivity in polycrystalline, undoped β-Ga2O3 thin films in the temperature range of 400–650° C are described. The sheet conductance of these films depends reversibly, according to a power law σ□ ∼ p 1/3,
Publikováno v:
Physica Status Solidi (a). 131:109-116
To examine specimen surfaces with large local height differences special care must be devoted to the tip preparation. The objective is then the macroscopic generation of ultra-thin probe tips. Here, the question arises of the mechanical (in)stability
Autor:
Hans Prof. Meixner, Josef Gerblinger
Publikováno v:
Sensors and Actuators B: Chemical. 4:99-102
The preparation of oxygen sensors based on sputtered strontium titanate films is described. Like bulk materials, the thin films show p-type and n-type conductivity which depends on the oxygen partial pressure. Using mixtures of argon and oxygen at 95
Publikováno v:
Thin Solid Films. 190:93-102
In bulk, gallium oxide is a semiconducting oxygen-sensitive material at temperatures of over 500 °C. With the aid of a high frequency sputter process, films could be produced with thicknesses in the micrometre range using a Ga2O3 ceramics target. Th
Publikováno v:
Sensors and Actuators A: Physical. 21:357-361
Piezomotors use the piezoelectrically excited natural mechanical oscillations of resonators to drive a rotor. The monomodal motors presented here are based on a purely longitudinally oscillating rod which is positioned asymmetrically on a roller-shap