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 für physikalische Chemie 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)
The aim of this project is to develop novel nanostructured Fe-Co-Ti-X (X = Si, Ge, Sn) compositionally complex alloys (CCAs) with adjustable magnetic properties by tailoring microstructure and phase constituents through compositional and process tuning. The key aspect of this work is to build a fundamental understanding of the correlation between…
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.
The aim of this project is to correlate the point defect structure of Fe1-xO to its mechanical, electrical and catalytic properties. Systematic stoichiometric variation of magnetron-sputtered Fe1-xO thin films are investigated regarding structural analysis by transition electron microscopy (TEM) and spectroscopy methods, which can reveal the defect…
In this project, links are being established between local chemical variation and the mechanical response of laser-processed metallic alloys and advanced materials.
In this project, we aim to achieve an atomic scale understanding about the structure and phase transformation process in the dual-phase high-entropy alloys (HEAs) with transformation induced plasticity (TRIP) effect. Aberration-corrected scanning transmission electron microscopy (TEM) techniques are being applied ...
Femtosecond laser pulse sequences offer a way to explore the ultrafast dynamics of charge density waves. Designing specific pulse sequences may allow us to guide the system's trajectory through the potential energy surface and achieve precise control over processes at surfaces.
About 90% of all mechanical service failures are caused by fatigue. Avoiding fatigue failure requires addressing the wide knowledge gap regarding the micromechanical processes governing damage under cyclic loading, which may be fundamentally different from that under static loading. This is particularly true for deformation-induced martensitic…
In this project, we investigate the phase transformation and twinning mechanisms in a typical interstitial high-entropy alloy (iHEA) via in-situ and interrupted in-situ tensile testing ...