Pang, B.; Iqbal, D.; Sarfraz, A.; Biedermann, P. U.; Erbe, A.: Differences in perchlorate adsorption to azobenzene monolayers on gold formed from thioacetate and thiol precursors. Zeitschrift fur Physikalische Chemie-International Journal of Research in Physical Chemistry & Chemical Physics 236 (10) (2022)
Iqbal, D.; Sarfraz, A.; Erbe, A.: Gradient in defect density of ZnO nanorods grown by cathodic delamination, a corrosion process, leads to end-specific luminescence. Nanoscale Horizons 3 (1), pp. 58 - 65 (2018)
Krzywiecki, M.; Grządziel, L.; Sarfraz, A.; Erbe, A.: Charge transfer quantification in a SnOx/CuPc semiconductor heterostructure: investigation of buried interface energy structure by photoelectron spectroscopies. Physical Chemistry Chemical Physics 19 (19), pp. 11816 - 11824 (2017)
Krzywiecki, M.; Grządziel, L.; Sarfraz, A.; Iqbal, D.; Szwajca, A.; Erbe, A.: Zinc oxide as a defect-dominated material in thin films for photovoltaic applications - experimental determination of defect levels, quantification of composition, and construction of band diagram. Physical Chemistry Chemical Physics 17 (15), pp. 10004 - 10013 (2015)
Iqbal, D.; Sarfraz, A.; Stratmann, M.; Erbe, A.: Solvent-starved conditions in confinement cause chemical oscillations excited by passage of a cathodic delamination front. Chemical Communications 51 (89), pp. 16041 - 16044 (2015)
Krzywiecki, M.; Sarfraz, A.; Erbe, A.: Towards monomaterial p-n junctions: single-step fabrication of tin oxide films and their non-destructive characterisation by angle-dependent X-ray photoelectron spectroscopy. Applied Physics Letters 107 (23), 231601 (2015)
Toparli, C.; Sarfraz, A.; Erbe, A.: A new look at oxide formation at the copper/electrolyte interface by in situ spectroscopies. Physical Chemistry Chemical Physics 17, pp. 31670 - 31679 (2015)
Sarfraz, A.; Posner, R.; Lange, M. M.; Lill, K. A.; Erbe, A.: Role of intermetallics and copper in the deposition of ZrO2-based conversion coatings on AA6014. Journal of the Electrochemical Society 161 (12), pp. C509 - C516 (2014)
International researcher team presents a novel microstructure design strategy for lean medium-manganese steels with optimized properties in the journal Science
This project studies the influence of grain boundary chemistry on mechanical behaviour using state-of-the-art micromechanical testing systems. For this purpose, we use Cu-Ag as a model system and compare the mechanical response/deformation behaviour of pure Cu bicrystals to that of Ag segregated Cu bicrystals.
Nickel-based alloys are a particularly interesting class of materials due to their specific properties such as high-temperature strength, low-temperature ductility and toughness, oxidation resistance, hot-corrosion resistance, and weldability, becoming potential candidates for high-performance components that require corrosion resistance and good…
In this project, we aim to enhance the mechanical properties of an equiatomic CoCrNi medium-entropy alloy (MEA) by interstitial alloying. Carbon and nitrogen with varying contents have been added into the face-centred cubic structured CoCrNi MEA.
This project with the acronym GB-CORRELATE is supported by an Advanced Grant for Gerhard Dehm by the European Research Council (ERC) and started in August 2018. The project GB-CORRELATE explores the presence and consequences of grain boundary phase transitions (often termed “complexions” in literature) in pure and alloyed Cu and Al. If grain size…
The segregation of impurity elements to grain boundaries largely affects interfacial properties and is a key parameter in understanding grain boundary (GB) embrittlement. Furthermore, segregation mechanisms strongly depend on the underlying atomic structure of GBs and the type of alloying element. Here, we utilize aberration-corrected scanning…
Project A02 of the SFB1394 studies dislocations in crystallographic complex phases and investigates the effect of segregation on the structure and properties of defects in the Mg-Al-Ca System.