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230 papers · 1 filter
Interface-Controlled Defect Engineering in TiN/TaN Superlattices for Enhanced Hardness and Fracture Toughness
Zecui Gaoa, Qimin Wang, Julian Buchinger +6
TiNTaN superlattice coatings were designed to investigate how atomic-scale interface chemistry and defect-stabilized TaN layers govern hardness and fracture toughness. Guided by fi…
Revealing the Role of Confined Molecular H in the Passivation of Defective Silicon Using First-Principles Simulations
Hania Azzam, Tobias Binninger, Benedikt Fischer +2
The passivation of silicon dangling bonds by hydrogen is a crucial requirement for silicon-based optoelectronic technology, especially for solar cells. Recent experiments on intens…
Anisotropy-driven interfacial magnetism in Ru-deficient SrRuO thin films
Vítor A. de Oliveira Lima, Michael I. Faley, Asmaa Qdemat +9
While stoichiometric SrRuO (SRO) is a metallic itinerant ferromagnet with relatively homogeneous magnetization, Ru deficiency provides a powerful route to alter its electronic…
Morphology dependent decomposition and pore evolution during oxidation of CrAlC coatings revealed by correlative tomography
Devi Janani Ramesh, Sameer Aman Salman, Jochen M. Schneider
Quantitative 3D characterization of materials degradation in oxidizing environments remains limited. Here, we apply a correlative tomography-based mass balance framework to CrA…
Influence of a generative parameter on the mechanical performance of topological interlocking assemblies of a hexagonal block
Lukas Schnelle, Meike Weiß, Reymond Akpanya +2
A topological interlocking assembly is an arrangement of blocks, where all blocks are kinematically constrained by their neighboring blocks and a fixed frame. This concept has been…
Observing the spatial and temporal evolution of exciton wave functions
Marcel Theilen, Siegfried Kaidisch, Monja Stettner +12
Excitons, the correlated electron-hole pairs governing optical and transport properties in organic semiconductors, have long resisted direct experimental access to their full quant…