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Employing High-temperature-grown SrZrO Buffer to Enhance the Electron Mobility in La:BaSnO-based Heterostructures
Prosper Ngabonziza, Jisung Park, Wilfried Sigle +3
We report a synthetic route to achieve high electron mobility at room temperature in epitaxial La:BaSnO/SrZrO heterostructures prepared on several oxide substrates. Room-te…
Combined Spectroscopy and Electrical Characterization of La:BaSnO Thin Films and Heterostructures
Arnaud P. Nono Tchiomo, Emanuela Carleschi, Aletta R. E. Prinsloo +5
For La-doped BaSnO thin films grown by pulsed laser deposition, we combine chemical surface characterization and electronic transport studies to probe the evolution of e…
Tunable Magnetic Anisotropy in Patterned SrRuO3 Quantum Structures: Competition between Lattice Anisotropy and Oxygen Octahedral Rotation
Hongguang Wang, Gennadii Laskin, Weiwei He +4
Artificial perovskite-oxide nanostructures possess intriguing magnetic properties due to their tailorable electron-electron interactions, which are extremely sensitive to the oxyge…
Thermal laser evaporation of elements from across the periodic table
Thomas J. Smart, Jochen Mannhart, Wolfgang Braun
We propose and demonstrate that thermal laser evaporation can be applied to all solid, non-radioactive elements in the periodic table. By depositing thin films, we achieve growth r…
Inelastic Electron Tunneling Spectroscopy at High-Temperatures
Prosper Ngabonziza, Yi Wang, Peter A. van Aken +2
Ion conducting materials are critical components of batteries, fuel cells, and devices such as memristive switches. Analytical tools are therefore sought that allow the behavior of…
High-temperature-grown buffer layer boosts electron mobility in epitaxial La-doped BaSnO/SrZrO heterostructures
Arnaud P. Nono Tchiomo, Wolfgang Braun, Bryan P. Doyle +4
By inserting a SrZrO buffer layer between the film and the substrate, we demonstrate a significant reduction of the threading dislocation density with an associated improvement…