Statistics
Publications
17
Citations
1K
H-Index
14
Active since
1992
K. Ullmann is an author at Goethe University Frankfurt specializing in natural sciences, physics, and graphene.
Publications per year
1992–2017
17
17
Light-field-driven currents in graphene
Takuya Higuchi, Christian Heide, K. Ullmann et al. · Nature · 2017 · 420 citations · Full text
Ratio of Cross Sections for Double to Single Ionization of He by 85–400 eV Photons
R. Dörner, Thibault Vogt, V. Mergel et al. · Physical Review Letters · 1996 · 110 citations · Full text
Single-Molecule Junctions with Epitaxial Graphene Nanoelectrodes
K. Ullmann, Pedro B. Coto, Susanne Leitherer et al. · Nano Letters · 2015 · 94 citations
Natural Sciences, Materials Engineering, Materials Science +15
I Ali, R. Dörner, O. Jagutzki et al. · Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms · 1999 · 71 citations
Natural Sciences, Chemistry, Physics +13
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