Rainer H. Fink
University of Erlangen-Nuremberg
XANESAnalytical chemistryOpticsPhysicsMicroscopyChemical physicsNanotechnologyX-ray photoelectron spectroscopyAtomic physicsChemistryThin filmMaterials scienceCondensed matter physicsSpectroscopyMoleculeSubstrate (electronics)Spectral lineOptoelectronicsMonolayerAnnealing (metallurgy)Crystallography
214Publications
47H-index
5,294Citations
Publications 207
Newest
#1Manuel Johnson (FAU: University of Erlangen-Nuremberg)
#2Tim Hawly (FAU: University of Erlangen-Nuremberg)
Last. Rainer H. Fink (FAU: University of Erlangen-Nuremberg)H-Index: 47
view all 5 authors...
The molecular self-organization of alkyl-functionalized hexathiophene monolayers prepared at the solvent-water interface is investigated by complementary microscopy techniques. Our study focuses on the influence of solvents and initial droplet volume on the resulting film morphology. Long-range extended domains in the monolayer regime are detected by visible light microscopy only for toluene. Small-area electron diffraction (SAED) proofs the formation of single-crystalline monolayers with struct...
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#1Tim Hawly (FAU: University of Erlangen-Nuremberg)
#2Fabian Streller (FAU: University of Erlangen-Nuremberg)
Last. Rainer H. Fink (FAU: University of Erlangen-Nuremberg)H-Index: 47
view all 12 authors...
The ability of a series of bridged triarylamines, so-called N -heterotriangulenes, to form multilayer-type 2D-extended films via a solution-based processing method was examined using complementary microscopic techniques. We found that the long-range order, crystallinity and layer thickness decisively depend on the nature of the substituents attached to the polycyclic backbone. Owing to their flat core unit, compounds exhibiting a carbonyl unit at the bridge position provide a superior building b...
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#1Qing WuH-Index: 3
#2Tiziana LombardoH-Index: 3
Last. Janet BridglandH-Index: 1
view all 10 authors...
Zwischgold is a gold-silver bi-layer foil that was popular in medieval European sculptures yet is poorly documented in both historical and modern literature. It is notoriously difficult to identify unambiguously and to study in detail due to its ultra-thinness and tendency to corrode. This article focuses on understanding the corrosion states and technological features of medieval Zwischgold. High-resolution scanning electron microscopy/energy-dispersive X-ray analysis was conducted on 72 Zwisch...
#1Qing Wu (UZH: University of Zurich)H-Index: 3
#2Benjamin Watts (Paul Scherrer Institute)H-Index: 24
Last. David Ganz (UZH: University of Zurich)H-Index: 2
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Abstract A special gilding material called Zwischgold has been frequently observed in medieval gilded artefacts. As a bilayer metal leaf made from gold and silver, it exhibits similar but slightly paler golden colour tone compared to pure gold. Zwischgold surface can be darkened quickly due to the corrosion of its silver base. Despite its frequent mentions in medieval guild statutes, the production of Zwischgold and its important technological parameters have been under a veil of secrecy since t...
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#1Andreas Späth (FAU: University of Erlangen-Nuremberg)H-Index: 8
#2Markus Meyer (FAU: University of Erlangen-Nuremberg)H-Index: 6
Last. Rainer H. Fink (FAU: University of Erlangen-Nuremberg)H-Index: 47
view all 8 authors...
The excellent craftsmanship of ancient Oriental and Central Asian textile dyers is already demonstrated in the remarkable brilliance and fastness of the colours of the so-called Pazyryk carpet, the by far oldest pile carpet found to date. This specimen resembles the advanced craftsmanship of Iron Age Central Asian textile production. We have employed synchrotron-based µ-XRF imaging to detect the distribution of metal organic pigments within individual fibres of the Pazyryk carpet (about 2500 yea...
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#1Benedikt RösnerH-Index: 13
#2Simone FinizioH-Index: 25
Last. Christian DavidH-Index: 77
view all 22 authors...
The availability of intense soft x-ray beams with tunable energy and polarization has pushed the development of highly sensitive, element-specific, and noninvasive microscopy techniques to investigate condensed matter with high spatial and temporal resolution. The short wavelengths of soft x-rays promise to reach spatial resolutions in the deep single-digit nanometer regime, providing unprecedented access to magnetic phenomena at fundamental length scales. Despite considerable efforts in soft x-...
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#1Benedikt RösnerH-Index: 13
#2Roberto Fallica (Paul Scherrer Institute)H-Index: 10
Last. Carsten StrebH-Index: 46
view all 9 authors...
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#1Katharina WitteH-Index: 2
#2Andreas Späth (FAU: University of Erlangen-Nuremberg)H-Index: 8
Last. Jörg RaabeH-Index: 40
view all 11 authors...
X-ray tomography has become an indispensable tool for studying complex 3D interior structures with high spatial resolution. 3D imaging using soft X-rays offers powerful contrast mechanisms, but has seen limited success with tomography due to the restrictions imposed by the much lower energy of the probe beam. The generalized geometry of laminography, characterized by a tilted axis of rotation, provides nm-scale 3D resolution for the investigation of extended (mm range) but thin (μm to nm) sample...
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#2Bianka M. D. Puscher (FAU: University of Erlangen-Nuremberg)H-Index: 7
Last. Dirk M. Guldi (FAU: University of Erlangen-Nuremberg)H-Index: 111
view all 6 authors...
Metal halide perovskites are known to possess upon photoexcitation long-lived hot carriers. By using femtosecond laser transient absorption spectroscopy, we probed in the current work interfacial charge transfer, that is, hot electrons and holes in methylammonium lead iodide perovskite. The focus was, on the one hand, on titanium dioxide as an electron transporting material and, on the other hand, on several organic semiconducting materials as hole transporting materials in perovskite solar cell...
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