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Canulescu, Stela
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (57/57 displayed)
- 2024Tuning surface defect states in sputtered titanium oxide electron transport layers for enhanced stability of organic photovoltaicscitations
- 2024Tuning surface defect states in sputtered titanium oxide electron transport layers for enhanced stability of organic photovoltaicscitations
- 2024Tuning Surface Defect States in Sputtered Titanium Oxide Electron Transport Layers for Enhanced Stability of Organic Photovoltaicscitations
- 2023High-Performance Photodetector and Angular-Dependent Random Lasing from LongChain Organic Diammonium Sandwiched 2D Hybrid Perovskite Non-linear Optical Single Crystal.citations
- 2023High-Performance Photodetector and Angular-Dependent Random Lasing from Long-Chain Organic Diammonium Sandwiched 2D Hybrid Perovskite Non-Linear Optical Single Crystal
- 2023A novel two-step route to unidirectional growth of multilayer MoS2 nanoribbonscitations
- 2023Advances in the one-step synthesis of 2D and 3D sulfide materials grown by pulsed laser deposition assisted by a sulfur thermal crackercitations
- 2022Silver-substituted (Ag1-xCux)2ZnSnS4 solar cells from aprotic molecular inkscitations
- 2022Silver-substituted (Ag1-xCux)2ZnSnS4 solar cells from aprotic molecular inkscitations
- 2022The effect of soft-annealing on sputtered Cu2ZnSnS4 thin-film solar cellscitations
- 2022A facile strategy for the growth of high-quality tungsten disulfide crystals mediated by oxygen-deficient oxide precursorscitations
- 2022The effect of soft-annealing on sputtered Cu 2 ZnSnS 4 thin-film solar cellscitations
- 2020Energy band alignment at the heterointerface between CdS and Ag-alloyed CZTScitations
- 2020Energy band alignment at the heterointerface between CdS and Ag-alloyed CZTScitations
- 2020Energy band alignment at the heterointerface between CdS and Ag-alloyed CZTScitations
- 2020Monolithic thin-film chalcogenide–silicon tandem solar cells enabled by a diffusion barriercitations
- 2020Persistent Double-Layer Formation in Kesterite Solar Cells: A Critical Reviewcitations
- 2020Persistent Double-Layer Formation in Kesterite Solar Cells: A Critical Reviewcitations
- 2019Thin films of CZTS and CZTO for solar cells produced by pulsed laser deposition
- 2019Thin films of CZTS and CZTO for solar cells produced by pulsed laser deposition
- 2018Pulsed laser deposition of chalcogenide sulfides from multi- and single-component targets: the non-stoichiometric material transfercitations
- 2018Pulsed laser deposition of chalcogenide sulfides from multi- and single-component targets: the non-stoichiometric material transfercitations
- 2018Liquid phase assisted grain growth in Cu2ZnSnS4 nanoparticle thin films by alkali element incorporationcitations
- 2017Versatile two-dimensional transition metal dichalcogenides
- 2016Optical and electrical properties of polycrystalline and amorphous Al-Ti thin filmscitations
- 2016Optical and electrical properties of polycrystalline and amorphous Al-Ti thin filmscitations
- 2016Band gap tuning of amorphous Al oxides by Zr alloyingcitations
- 2015Pulsed laser deposition from ZnS and Cu 2 SnS 3 multicomponent targetscitations
- 2015Pulsed laser deposition from ZnS and Cu2SnS3 multicomponent targetscitations
- 2015High Frequency Anodising of Aluminium-TiO2 Surface Compositescitations
- 2015Morphology of Copper Tin Sulfide Films Grown by Pulsed Laser Deposition at 248 and 355 nm
- 2015High frequency anodising of aluminium–TiO2 surface composites: Anodising behaviour and optical appearancecitations
- 2015ZnS top layer for enhancement of the crystallinity of CZTS absorber during the annealingcitations
- 2015High frequency anodising of aluminium-TiO 2 surface composites:Anodising behaviour and optical appearancecitations
- 2014Friction stir processed Al - Metal oxide surface composites: Anodization and optical appearance
- 2014Appearance of anodised aluminium: Effect of alloy composition and prior surface finishcitations
- 2014Optical appearance of AC anodized Al/TiO 2 composite coatings
- 2014Microstructure and optical appearance of anodized friction stir processed Al - Metal oxide surface composites
- 2014Anodization and Optical Appearance of Sputter Deposited Al-Zr Coatingscitations
- 2014Nanosecond laser ablation and deposition of silver, copper, zinc and tincitations
- 2014Optical appearance of AC anodized Al/TiO2 composite coatings
- 2014Structure of anodized Al–Zr sputter deposited coatings and effect on optical appearancecitations
- 2013Investigation of photocatalytic activity of titanium dioxide deposited on metallic substrates by DC magnetron sputteringcitations
- 2013Laser deposition rates of thin films of selected metals and alloys
- 2012Laser ablation dynamics and production of thin films of lysozyme
- 2012Laser ablation of the protein lysozyme
- 2011Growth of thin fullerene films by Matrix Assisted Pulsed Laser Evaporation
- 2011Nanosecond and femtosecond ablation of La0.6Ca0.4CoO3: a comparison between plume dynamics and composition of the filmscitations
- 2011Laser-assisted deposition of thin C60 films
- 2010Detection of negative ions in glow discharge mass spectrometry for analysis of solid specimenscitations
- 2009Mechanisms of the laser plume expansion during the ablation of LiMn2O4citations
- 2009Pulsed radiofrequency glow discharge time-of-flight mass spectrometry for molecular depth profiling of polymer-based filmscitations
- 2007Laser-produced plasma ion characteristics in laser ablation of lithium manganatecitations
- 2007Preparation of epitaxial La0.6Ca0.4Mn1-xFexO3 (x=0, 0.2) thin films: Variation of the oxygen contentcitations
- 2007The effect of the fluence on the properties of La–Ca–Mn–O thin films prepared by pulsed laser depositioncitations
- 2006Structural characterization and magnetoresistance of manganates thin films and Fe-doped manganates thin filmscitations
- 2004Properties of BaTiO3 thin films deposited by radiofrequency beam discharge assisted pulsed laser depositioncitations
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article
Laser-produced plasma ion characteristics in laser ablation of lithium manganate
Abstract
Laser ablation is widely used to assist in the fabrication of prototype lithium manganate (LiMn2O4) thin film structures for Li-ion battery electrodes via the pulsed laser deposition technique. However, films can be considerably Li and/or 0 deficient, depending the deposition conditions used. Here we present data on the ionic component of laser-produced plasma in laser ablation of lithium manganate with ns excimer laser. Plasma was monitored using an electrical Langmuir ion probe, in time-of-flight mode in conjunction with mass spectrometry to identify the dominant ionic species. Ablation in vacuum at similar to 2.5 J cm(-2) revealed the plasma's ionic component was composed primarily of singly charged Li and Mn ions. The time-of-flight data indicates significant deceleration of the plasma when ablation is carried out in an oxygen background gas pressure of the order of 10 Pa. The implications for thin film growth are considered in terms of the possible gas phase interactions and/or thin film re-sputtering yield. (c) 2007 Elsevier B.V. All rights reserved.