H. Ehrhardt

Raman spectroscopy on amorphous carbon films

J. Schwan, S. Ulrich, V. Batori et al. · Journal of Applied Physics · 1996 · 1.4K citations

Materials Science, Carbon Films, Engineering +12

Preparation and properties of highly tetrahedral hydrogenated amorphous carbon

M. Weiler, S. Sattel, Tobias W. Giessen et al. · Physical review. B, Condensed matter · 1996 · 367 citations

Materials Science, Plasma Beam Source, Amorphous Carbon +13

Ionization of Helium: Angular Correlation of the Scattered and Ejected Electrons

H. Ehrhardt, Michael Schulz, T. Tekaat et al. · Physical Review Letters · 1969 · 304 citations

50-Ev Electrons, Engineering, Physics +13

Modelling the influence of grain-size-dependent solute drag on the kinetics of grain growth in nanocrystalline materials

Andreas Michels, Carl E. Krill, H. Ehrhardt et al. · Acta Materialia · 1999 · 295 citations · Full text

Materials Science, Nanocrystalline Materials, Grain-size-dependent Solute Drag +9

Tetrahedral amorphous carbon films prepared by magnetron sputtering and dc ion plating

J. Schwan, S. Ulrich, H. Roth et al. · Journal of Applied Physics · 1996 · 209 citations · Full text

Materials Science, Materials Engineering, Argon Ion Flux +15