Zobrazeno 1 - 10
of 102
pro vyhledávání: '"E. Steinbauer"'
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 249:58-61
Protons and deuterons with energies 0.33–10 keV were used to obtain time-of-flight low energy ion scattering (TOF-LEIS) spectra for thin layers of Au evaporated onto a B/Si substrate. The thickness (2.4 nm) and the root-mean-square roughness (0.5 n
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 193:638-644
The kinetic electron yield was measured for the impact of 3 MeV He 2+ ions and 3 keV electrons on thin layers of Al on Cu, of Al 2 O 3 on Al, and of CeO 2 and CaF 2 on Si backings. The dependence of the yield on the layer thickness was determined. Fo
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 171:291-300
A Monte-Carlo computer code for the simulation of particle transport in metallic solids has been developed. Electrons or bare ion projectiles can be used. The code is able to calculate a wide variety of phenomena such as electronic energy loss, elect
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :910-914
The electron emission yield was measured for the impact of 3 keV electrons and 2 MeV H+ ions on Al as a function of target temperature. A strong influence of the surface morphology was found. For annealed samples a linear decrease of the yield was ob
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :915-919
For 3 MeV He ++ and 3 keV electron projectiles the kinetic electron emission yield for copper layers of different thickness on an aluminum backing was measured. Since the electron emission yield of Cu is almost a factor of 2 higher than that of Al an
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Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :695-700
We describe a new setup for elastic recoil detection analysis (ERDA) using our recently developed particle identification method. Before the ions and elastic recoil atoms from the target reach a silicon surface barrier detector for energy analysis, t
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 125:41-44
The distribution of the number of emitted electrons is measured for the impact of He + and He 2+ ions on Al, Cu and Au targets. The ion energy is between 0.6 MeV (He + ) and 4.8 MeV (He 2+ ). The obtained results are very well represented by Polya di
Publikováno v:
Geburtshilfe und Frauenheilkunde. 73
Publikováno v:
Applied Radiation and Isotopes. 47:1061-1067
For rare event experiments (environmental, solar neutrino, ββ-decay and dark matter) a careful selection of the construction materials of the detectors with respect to low radioactive contamination is fundamental. Non-destructive low-level γ-ray s