Search Results - "Kycia, Stefan"

A simple formula for determining nanoparticle size distribution by combining small‐angle X‐ray scattering and diffraction results by Morelhão, Sérgio L., Kycia, Stefan W.

“…X‐ray scattering and diffraction phenomena are widely used as analytical tools in nanoscience. Size discrepancies between the two phenomena are commonly…”
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Synergistic co-processing of an acidic hardwood derived pyrolysis bio-oil with alkaline Red Mud bauxite mining waste as a sacrificial upgrading catalyst by Karimi, Elham, Teixeira, Ivo Freitas, Gomez, Ariel, de Resende, Eliane, Gissane, Christopher, Leitch, Jay, Jollet, Véronique, Aigner, Isabella, Berruti, Franco, Briens, Cedric, Fransham, Peter, Hoff, Brent, Schrier, Nick, Lago, Rochel M., Kycia, Stefan W., Heck, Richard, Schlaf, Marcel

“…Waste not, want not: The use of Red Mud from the Bayer process as a catalyst for the upgrading of highly acidic bio-oil stabilizes the oil through…”
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Implications of size dispersion on X‐ray scattering of crystalline nanoparticles: CeO2 as a case study by Valério, Adriana, Trindade, Fabiane J., Penacchio, Rafaela F. S., Cisi, Bria, Damasceno, Sérgio, Estradiote, Maurício B., Rodella, Cristiane B., Ferlauto, Andre S., Kycia, Stefan W., Morelhão, Sérgio L.

“…Controlling the shape and size dispersivity and crystallinity of nanoparticles (NPs) has been a challenge in identifying these parameters' role in the physical…”
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Implications of size dispersion on X-ray scattering of crystalline nanoparticles: CeO 2 as a case study by Valério, Adriana, Trindade, Fabiane J, Penacchio, Rafaela F S, Cisi, Bria, Damasceno, Sérgio, Estradiote, Maurício B, Rodella, Cristiane B, Ferlauto, Andre S, Kycia, Stefan W, Morelhão, Sérgio L

“…Controlling the shape and size dispersivity and crystallinity of nanoparticles (NPs) has been a challenge in identifying these parameters' role in the physical…”
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Introduction to Python Dynamic Diffraction Toolkit ( PyDDT ): structural refinement of single crystals via X-ray phase measurements by Penacchio, Rafaela F. S., Estradiote, Maurício B., Remédios, Cláudio M. R., Calligaris, Guilherme A., Torikachvili, Milton S., Kycia, Stefan W., Morelhão, Sérgio L.

“…PyDDT is a free Python package of computer codes for exploiting X-ray dynamic multiple diffraction in single crystals. A wide range of tools are available for…”
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Dynamics of Defects in van der Waals Epitaxy of Bismuth Telluride Topological Insulators by Morelhão, Sérgio L, Kycia, Stefan W, Netzke, Samuel, Fornari, Celso I, Rappl, Paulo H. O, Abramof, Eduardo

“…Potential applications in spintronics and quantum information processing have motivated much recent research in epitaxial films of bismuth telluride. This…”
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Ketonization and deoxygenation of alkanoic acids and conversion of levulinic acid to hydrocarbons using a Red Mud bauxite mining waste as the catalyst by Karimi, Elham, Teixeira, Ivo Freitas, Ribeiro, Leandro Passos, Gomez, Ariel, Lago, Rochel M., Penner, Glenn, Kycia, Stefan W., Schlaf, Marcel

“…[Display omitted] ► Red Mud mining waste is catalyst for the ketonization of carboxylic acids in moderate selectivity. ► Use of Red Mud as a catalyst requires…”
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Mechanical Exfoliation of Expanded Graphite to Graphene-Based Materials and Modification with Palladium Nanoparticles for Hydrogen Storage by Chow, Darren, Burns, Nicholas, Boateng, Emmanuel, van der Zalm, Joshua, Kycia, Stefan, Chen, Aicheng

“…Hydrogen is a promising green fuel carrier that can replace fossil fuels; however, its storage is still a challenge. Carbon-based materials with metal…”
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Structural and morphological characterization of hemozoin produced by Schistosoma mansoni and Rhodnius prolixus by Oliveira, Marcus F., Kycia, Stefan W., Gomez, Ariel, Kosar, Aaron J., Bohle, D. Scott, Hempelmann, Ernst, Menezes, Diego, Vannier-Santos, Marcos André, Oliveira, Pedro L., Ferreira, Sérgio T.

“…Hemozoin (Hz) is a heme crystal produced upon the digestion of hemoglobin (Hb) by blood-feeding organisms as a main mechanism of heme disposal. The structure…”
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X-ray powder diffraction beamline at D10B of LNLS: application to the Ba2FeReO6 double perovskite by Ferreira, Fabio Furlan, Granado, Eduardo, Carvalho, Jr, Wilson, Kycia, Stefan W, Bruno, Daniele, Droppa, Jr, Roosevelt

“…A new beamline, fully dedicated to X-ray powder diffraction (XPD) measurements, has been installed after the exit port B of the bending magnet D10 at the…”
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Thermal Decomposition of Acetic and Formic Acid Catalyzed by Red MudImplications for the Potential Use of Red Mud as a Pyrolysis Bio-Oil Upgrading Catalyst § Dedicated to Prof. Ulf Schuchardt on the occasion of his retirement by Karimi, Elham, Gomez, Ariel, Kycia, Stefan W, Schlaf, Marcel

“…Acetic and formic acid impart a high acidity on pyrolysis bio-oil (obtained by fast pyrolysis of ligno-cellulosic biomass), which is one of the factors…”
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Visualization of tetrahedral disordering in amorphous germanium through local atomic motifs by Rahemtulla, Aly, Tomberli, Bruno, Kycia, Stefan

“…The atomic arrangements in amorphous solids, unlike those in crystalline materials, remain elusive. The details of atom ordering are under debate even in…”
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An inclined detector geometry for improved X‐ray total scattering measurements by Burns, Nicholas, Rahemtulla, Aly, Annett, Scott, Moreno, Beatriz, Kycia, Stefan

“…X‐ray total scattering measurements are implemented using a digital flat‐panel area detector in an inclined geometry and compared with the traditional…”
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Tailoring Hydrogen Evolution Performance: Size and Phase Engineering of Ruthenium Nanoparticles by Hung, Chi-Kai, Thiruppathi, Antony R., Burns, Nicholas, McGuire, Cameron, Quintal, Jonathan, Jiang, De-Tong, Kycia, Stefan, Chen, Aicheng

“…Ruthenium-based nanomaterials have seen increased interest as an alternative to platinum electrocatalysts for the hydrogen evolution reaction (HER). In this…”
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Probing Structural Transformations and Degradation Mechanisms by Direct Observation in SIFSIX-3-Ni for Direct Air Capture by Barsoum, Michael L., Hofmann, Jan, Xie, Haomiao, Chen, Zhihengyu, Vornholt, Simon M., dos Reis, Roberto, Burns, Nicholas, Kycia, Stefan, Chapman, Karena W., Dravid, Vinayak P., Farha, Omar K.

“…Despite global efforts to reduce carbon dioxide (CO2) emissions, continued industrialization threatens to exacerbate climate change. This work investigates…”
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Structure determination from powder diffraction data using a new intensity extraction algorithm by Gomez, Ariel, Kycia, Stefan

“…A method is proposed for extracting the relevant structural information from powder diffraction data. The pattern is fitted and a reduced number of intensity…”
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Correction to “Probing Structural Transformations and Degradation Mechanisms by Direct Observation in SIFSIX-3-Ni for Direct Air Capture” by Barsoum, Michael L., Hofmann, Jan, Xie, Haomiao, Chen, Zhihengyu, Vornholt, Simon M., dos Reis, Roberto, Burns, Nicholas, Kycia, Stefan, Chapman, Karena W., Dravid, Vinayak P., Farha, Omar K.

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Tunable Electrochemical Hydrogen Uptake and Release of Nitrogen-Doped Reduced Graphene Oxide Nanosheets Decorated with Pd Nanoparticles by Boateng, Emmanuel, van der Zalm, Joshua, Burns, Nicholas, Chow, Darren, Kycia, Stefan, Chen, Aicheng

“…Strategic surface modification and doping of reduced graphene oxide (rGO) support materials via heteroatom functionalization and metal decoration have been…”
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Hybrid reflections from multiple x-ray scattering in epitaxial bismuth telluride topological insulator films by Morelhão, Sérgio L., Kycia, Stefan, Netzke, Samuel, Fornari, Celso I., Rappl, Paulo H. O., Abramof, Eduardo

“…Epitaxial films of bismuth telluride topological insulators have received increasing attention due to their potential applications in spintronic and quantum…”
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The lower energy diffraction and scattering side‐bounce beamline for materials science at the Canadian Light Source by Leontowich, Adam F. G., Gomez, Ariel, Diaz Moreno, Beatriz, Muir, David, Spasyuk, Denis, King, Graham, Reid, Joel W., Kim, Chang-Yong, Kycia, Stefan

“…A new diffraction beamline for materials science has been built at the Canadian Light Source synchrotron. The X‐ray source is an in‐vacuum wiggler with a 2.5 T…”
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