| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Chiabrera, Francesco Maria
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Operando Electron Microscopy and Impedance Analysis of Solid Oxide Electrolysis and Fuel Cellscitations
- 2023Reconstruction of Low Dimensional Electronic States by Altering the Chemical Arrangement at the SrTiO3 Surfacecitations
- 2022Ion Intercalation in Lanthanum Strontium Ferrite for Aqueous Electrochemical Energy Storage Devicescitations
- 2022The impact of Mn nonstoichiometry on the oxygen mass transport properties of La Sr Mn O thin filmscitations
- 2022Freestanding Perovskite Oxide Filmscitations
- 2022Defect-induced magnetism in homoepitaxial SrTiO3citations
- 2022Defect-induced magnetism in homoepitaxial SrTiO3citations
- 2021Direct Measurement of Oxygen Mass Transport at the Nanoscalecitations
- 2021A high-entropy manganite in an ordered nanocomposite for long-term application in solid oxide cells
- 2019Interface Engineering in Mixed Ionic Electronic Conductor Thin Films for Solid State Devices
- 2019Engineering Transport in Manganites by Tuning Local Nonstoichiometry in Grain Boundariescitations
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article
Reconstruction of Low Dimensional Electronic States by Altering the Chemical Arrangement at the SrTiO3 Surface
Abstract
Developing reliable methods for modulating the electronic structure of the 2D electron gas (2DEG) in SrTiO<sub>3</sub> is crucial for utilizing its full potential and inducing novel properties. Herein, it is shown that relatively simple surface preparation reconstructs the 2DEG at the SrTiO<sub>3</sub> (STO) surface, leading to a Lifshitz-like transition. Combining experimental methods, such as angle-resolved photoemission spectroscopy (ARPES) and X-ray photoemission spectroscopy with ab initio calculations, that the modulation of the surface band structures can be effectively achieved via transforming the chemical composition at the atomic scale is found. In addition, ARPES experiments demonstrate that vacuum ultraviolet light can be efficiently employed to alter the band renormalization of the 2DEG system and control the electron-phonon interaction . This study provides a robust and straightforward route to stabilize and tune the low-dimensional electronic structure via the chemical degeneracy of the STO surface.