693.932 PEOPLE
| 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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Amenitsch, Heinz
Graz University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (46/46 displayed)
- 2023Silicon and Germanium Functionalized Perylene Diimides – Synthesis, Optoelectronic Properties, and their Application as Non-Fullerene Acceptors in Organic Solar Cellscitations
- 2023Poly(ethylene oxide)-block-poly(hexyl acrylate) Copolymers as Templates for Large Mesopore Sizes─A Detailed Porosity Analysiscitations
- 2023Strongly Confined CsPbBr3 Quantum Dots as Quantum Emitters and Building Blocks for Rhombic Superlatticescitations
- 2023Lignin-Derived Mesoporous Carbon for Sodium-Ion Batteriescitations
- 2023Strongly Confined CsPbBr3 Quantum Dots as Quantum Emitters and Building Blocks for Rhombic Superlattices.
- 2023Solution-Processable Cu3BiS3 Thin Films: Growth Process Insights and Increased Charge Generation Properties by Interface Modificationcitations
- 2023The challenge with high permittivity acceptors in organic solar cells: a case study with Y-series derivativescitations
- 2023Strongly confined CsPbBr 3 quantum dots as quantum emitters and building blocks for rhombic superlatticescitations
- 2022Supramolecular Chalcogenâ€Bonded Semiconducting Nanoribbons at Work in Lighting Devicescitations
- 2022In Situ Study of Nanoporosity Evolution during Dealloying AgAu and CoPd by Grazing-Incidence Small-Angle X-ray Scatteringcitations
- 2022In Situ Study of Nanoporosity Evolution during Dealloying AgAu and CoPd by Grazing-Incidence Small-Angle X-ray Scatteringcitations
- 2022Supramolecular Chalcogen-Bonded Semiconducting Nanoribbons at Work in Lighting Devicescitations
- 2022Supramolecular Chalcogen-Bonded Semiconducting Nanoribbons at Work in Lighting Devicescitations
- 2022Glycol bearing perylene monoimide based non-fullerene acceptors with increased dielectric permittivitycitations
- 2022Self‐Assembly of Oriented Antibody‐Decorated Metal–Organic Framework Nanocrystals for Active‐Targeting Applicationscitations
- 2022Self‐Assembly of Oriented Antibody‐Decorated Metal–Organic Framework Nanocrystals for Active‐Targeting Applicationscitations
- 2021Block-Copolymers Enable Direct Reduction and Structuration of Noble Metal-based Filmscitations
- 2021Metal–Insulator Transition of Ultrathin Sputtered Metals on Phenolic Resin Thin Films: Growth Morphology and Relations to Surface Free Energy and Reactivitycitations
- 2021Monodisperse long-chain sulfobetaine-capped CsPbBr 3 nanocrystals and their superfluorescent assembliescitations
- 2021Self-Assembly of Oriented Antibody-Decorated Metal–Organic Framework Nanocrystals for Active-Targeting Applicationscitations
- 2021Perovskite-type superlattices from lead halide perovskite nanocubescitations
- 2021Two-dimensional perovskites with alternating cations in the interlayer space for stable light-emitting diodescitations
- 2020In situ electrochemical grazing incidence small angle X-ray scattering: From the design of an electrochemical cell to an exemplary study of fuel cell catalyst degradationcitations
- 2020Evolution of the PtNi Bimetallic Alloy Fuel Cell Catalyst under Simulated Operational Conditionscitations
- 2020Cellulose metal sulfide based nanocomposite thin films
- 2020Modulation of metal-azolate frameworks for the tunable release of encapsulated glycosaminoglycanscitations
- 2020Continuous-Flow Synthesis of ZIF-8 Biocomposites with Tunable Particle Sizecitations
- 2019INTERPLAY BETWEEN CRYSTAL STRUCTURE, SHAPE AND FUNCTIONALITY OF COLLOIDAL NANOCRYSTALS AND SUPERCRYSTALS
- 2019Encapsulation, Visualization and Expression of Genes with Biomimetically Mineralized Zeolitic Imidazolate Framework-8 (ZIF-8)citations
- 2019Stable ultraconcentrated and ultradilute colloids of CsPbX 3 (X=Cl, Br) nanocrystals using natural lecithin as a capping ligandcitations
- 2019Carbohydrates@MOFscitations
- 2018High Hydrostatic Pressure Induces a Lipid Phase Transition and Molecular Rearrangements in Low-Density Lipoprotein Nanoparticlescitations
- 2017Structural investigation of bulk and dispersed inverse lyotropic hexagonal liquid crystalline phases of eicosapentaenoic acid monoglyceridecitations
- 2016Design of broadband SERS substrates by the laser-induced aggregation of gold nanoparticlescitations
- 2014Order vs. disorder — a huge increase in ionic conductivity of nanocrystalline LiAlO2 embedded in an amorphous-like matrix of lithium aluminatecitations
- 2014Structural transitions in asymmetric poly(styrene)-block -poly(lactide) thin films induced by solvent vapor exposurecitations
- 2014Self-Assembly of Ferromagnetic Organic–Inorganic Perovskite-Like Filmscitations
- 2014Self-Assembly of Ferromagnetic Organic–Inorganic Perovskite-Like Filmscitations
- 2012Mesoporous SiO2 thin films containing photoluminescent ZnO nanoparticles and simultaneous SAXS/WAXS/ellipsometry experimentscitations
- 2009Hierarchical porous silica films with ultralow refractive indexcitations
- 2008Fabrication of mesoporous functionalized arrays by integrating deep X-ray lithography with dip-pen writingcitations
- 2007Time-resolved simultaneous detection of structural and chemical changes during self-assembly of mesostructured filmscitations
- 2007Highly ordered self-assembled mesostructured membranescitations
- 2005Thermal-induced phase transitions in self-assembled mesostructured films studied by small-angle X-ray scatteringcitations
- 2005Highly ordered "defect-free" self-assembled hybrid films with a tetragonal mesostructurecitations
- 2004Silica orthorhombic mesostructured films with low refractive index and high thermal stabilitycitations
Places of action
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article
Order vs. disorder — a huge increase in ionic conductivity of nanocrystalline LiAlO2 embedded in an amorphous-like matrix of lithium aluminate
Abstract
Coarse grained, well crystalline γ-LiAlO2 (P43212) is known as an electronic insulator and a very poor ion conductor with the lithium ions occupying tetrahedral voids in the oxide structure. The introduction of structural disorder such as point defects or higher-dimensional defects, however, may greatly affect ionic conduction on both short-range as well as long-range length scales. In the present study, we used high-energy ball milling to prepare defect-rich, nanocrystalline LiAlO2 that was characterized from a structural point of view by powder X-ray diffraction, TEM as well as small angle X-ray scattering (SAXS). Temperature-dependent conductivity spectroscopy revealed an increase of the room-temperature ionic conduction by several orders of magnitude when going from microcrystalline γ-LiAlO2 to its nanocrystalline form. The enhanced ion transport found is ascribed to the increase of Li ions near defective sites both in the bulk as well as in the large volume fraction of interfacial regions in nano-LiAlO2. The nanocrystalline ceramic prepared at long milling times is a mixture of γ-LiAlO2 and the high-pressure phase δ-LiAlO2; it adapts an amorphous like structure after it has been treated in a planetary mill under extremely harsh conditions.