Search Results - "MANGOLD, Stefan"

Methanation of CO2: Structural response of a Ni-based catalyst under fluctuating reaction conditions unraveled by operando spectroscopy by Mutz, Benjamin, Carvalho, Hudson W.P., Mangold, Stefan, Kleist, Wolfgang, Grunwaldt, Jan-Dierk

“…[Display omitted] •Maximum CO2 conversion of 81% at 400°C obtaining 80% CH4.•Operando XAS study during methanation of CO2 under changing reaction…”
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Thallium and co-genetic trace elements in hydrothermal Fe-Mn deposits of Central Spain by Garrido, Fernando, Garcia-Guinea, Javier, Lopez-Arce, Paula, Voegelin, Andreas, Göttlicher, Jörg, Mangold, Stefan, Almendros, Gonzalo

“…Thallium (Tl) is a hazardous trace metal that can harm human and environmental health. Tl pollution can result from the mining and smelting of Tl-bearing…”
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Identification of the iron oxidation state and coordination geometry in iron oxide- and zeolite-based catalysts using pre-edge XAS analysis by Boubnov, Alexey, Lichtenberg, Henning, Mangold, Stefan, Grunwaldt, Jan-Dierk

“…Analysis of the oxidation state and coordination geometry using pre‐edge analysis is attractive for heterogeneous catalysis and materials science, especially…”
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In Situ X‑ray Diffraction and X‑ray Absorption Spectroscopic Studies of a Lithium-Rich Layered Positive Electrode Material: Comparison of Composite and Core–Shell Structures by Ehi-Eromosele, Cyril Osereme, Indris, Sylvio, Bramnik, Natalia N, Sarapulova, Angelina, Trouillet, Vanessa, Pfaffman, Lukas, Melinte, Georgian, Mangold, Stefan, Darma, Mariyam Susana Dewi, Knapp, Michael, Ehrenberg, Helmut

“…Lithium- and manganese-rich transition-metal oxide (LMR-NMC) electrodes have been designed either as heterostructures of the primary components (“composite”)…”
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The role of soil components in synthetic mixtures during the adsorption and speciation changes of Cr(VI): Conjunction of the modeling approach with spectroscopic and isotopic investigations by Veselská, Veronika, Šillerová, Hana, Göttlicher, Jörg, Michálková, Zuzana, Siddique, Jamal A., Číhalová, Sylva, Chrastný, Vladislav, Steininger, Ralph, Mangold, Stefan, Komárek, Michael

“…This study investigates redox transitions associated with the adsorption of Cr(VI) on commonly occurring soil components (silicates, oxides and humic acids)…”
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Phosphate burial in aquatic sediments: Rates and mechanisms of vivianite formation from mackinawite by Ma, Mingkai, Overvest, Peter, Hijlkema, Arjan, Mangold, Stefan, McCammon, Catherine, Voegelin, Andreas, Behrends, Thilo

“…•We demonstrate experimentally that mackinawite (FeS) reacted with phosphate can convert into vivianite within days and that this conversion represents a…”
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Nature and reactivity of layered double hydroxides formed by coprecipitating Mg, Al and As(V): Effect of arsenic concentration, pH, and aging by Sommella, Alessia, Caporale, Antonio G., Denecke, Melissa A., Mangold, Stefan, Pigna, Massimo, Santoro, Anna, Terzano, Roberto, Violante, Antonio

“…•High amounts of As(V) are removed co-precipitating As(V) with Mg and Al.•As(V) coprecipitated with Al and Mg retards the formation and transformation of…”
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Coordinated Polar Localization of Auxin Efflux Carrier PIN1 by GNOM ARF GEF by Steinmann, Thomas, Geldner, Niko, Grebe, Markus, Mangold, Stefan, Jackson, Catherine L., Paris, Sonia, Gälweiler, Leo, Palme, Klaus, Jürgens, Gerd

“…The plant hormone auxin is transported in a polar manner along the shoot-root axis, which requires efflux carriers such as PIN1. Asymmetric localization of…”
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Unveiling the Reaction Mechanism during Li Uptake and Release of Nanosized “NiFeMnO4”: Operando X‑ray Absorption, X‑ray Diffraction, and Pair Distribution Function Investigations by Permien, Stefan, Hansen, Anna-Lena, van Dinter, Jonas, Indris, Sylvio, Neubüser, Gero, Kienle, Lorenz, Doyle, Stephen, Mangold, Stefan, Bensch, Wolfgang

“…Here, we report that the trimetallic nanosized oxide NiFeMnO4 consists of a mixture of NiO and a strained cubic spinel phase, which is clearly demonstrated by…”
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Fully automated beamline control system for XAS beamlines by Mangold, Stefan

“…Owing to the growing demand for complex in situ experiments, the handling of synchrotron experiments has become increasingly complicated. The control system at…”
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Cognitive Radio and Dynamic Spectrum Access by Berlemann, Lars, Mangold, Stefan

“…Cognitive Radio for Dynamic Spectrum Accessgives a comprehensive overview of the main concepts behind radio spectrum regulation, dynamic spectrum access and…”
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Direct Observation of Reductive Coupling Mechanism between Oxygen and Iron/Nickel in Cobalt‐Free Li‐Rich Cathode Material: An in Operando X‐Ray Absorption Spectroscopy Study by Dixon, Ditty, Mangold, Stefan, Knapp, Michael, Ehrenberg, Helmut, Bhaskar, Aiswarya

“…Li‐rich cathodes possess high capacity and are promising candidates in next‐generation high‐energy density Li‐ion batteries. This high capacity is partly…”
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Retention of Iodide and Chloride by Formation of a Green Rust Solid Solution GR-Cl1-xIx: A Multiscale Approach by Platte, Tim, Finck, Nicolas, Mangold, Stefan, Polly, Robert, Geckeis, Horst

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Retention of Iodide and Chloride by Formation of a Green Rust Solid Solution GR-Cl 1– x I x : A Multiscale Approach by Platte, Tim, Finck, Nicolas, Mangold, Stefan, Polly, Robert, Geckeis, Horst

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Retention of Iodide and Chloride by Formation of a Green Rust Solid Solution GR-Cl1–x I x : A Multiscale Approach by Platte, Tim, Finck, Nicolas, Mangold, Stefan, Polly, Robert, Geckeis, Horst

“…The uptake of iodide and chloride during the synthesis of green rust (GR), the Fe endmember of the layered double hydroxide (LDH) group, was investigated. GR…”
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In Operando Synchrotron Diffraction and in Operando X‑ray Absorption Spectroscopy Investigations of Orthorhombic V2O5 Nanowires as Cathode Materials for Mg-Ion Batteries by Fu, Qiang, Sarapulova, Angelina, Trouillet, Vanessa, Zhu, Lihua, Fauth, Francois, Mangold, Stefan, Welter, Edmund, Indris, Sylvio, Knapp, Michael, Dsoke, Sonia, Bramnik, Natalia, Ehrenberg, Helmut

“…Orthorhombic V2O5 nanowires were successfully synthesized via a hydrothermal method. A cell-configuration system was built utilizing V2O5 as the cathode and 1…”
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Composition and structure of Fe(III)-precipitates formed by Fe(II) oxidation in water at near-neutral pH: Interdependent effects of phosphate, silicate and Ca by Senn, Anna-Caterina, Kaegi, Ralf, Hug, Stephan J., Hering, Janet G., Mangold, Stefan, Voegelin, Andreas

“…We studied the interdependent effects of phosphate, silicate and Ca on the formation of Fe(III)-precipitates by oxidation of 0.5mM Fe(II) in near-neutral…”
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Phosphorus adsorption on iron‐coated sand under reducing conditions by Barcala, Victoria, Jansen, Stefan, Gerritse, Jan, Mangold, Stefan, Voegelin, Andreas, Behrends, Thilo

“…Mitigation measures are needed to prevent large loads of phosphate originating in agriculture from reaching surface waters. Iron‐coated sand (ICS) is a…”
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Dynamic Fe-precipitate formation induced by Fe(II) oxidation in aerated phosphate-containing water by Voegelin, Andreas, Senn, Anna-Caterina, Kaegi, Ralf, Hug, Stephan J., Mangold, Stefan

“…We studied the effect of phosphate on the precipitation of Fe during the oxidation of 1mM Fe(II) in aerated 8mM NaHCO3–CO2 buffered aqueous solutions at…”
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Spatiotemporal Mineral Phase Evolution and Arsenic Retention in Microfluidic Models of Zerovalent Iron-Based Water Treatment by Wielinski, Jonas, Jimenez-Martinez, Joaquin, Göttlicher, Jörg, Steininger, Ralph, Mangold, Stefan, Hug, Stephan J., Berg, Michael, Voegelin, Andreas

“…Arsenic (As) is a toxic element, and elevated levels of geogenic As in drinking water pose a threat to the health of several hundred million people worldwide…”
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