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Conjunto de datos 2028 Acceso abierto 1 cita

Munich Crystallography BAG

Tulika CHAKRABORTTY · Thomas MONECKE (ORCID: 0000-0003-3748-710X) · Max NANAO · Vasilii MOROZOV · y 2 más

The diverse groups of the Munich Crystallography BAG study a far range of subjects, reaching from structural aspects of fundamental cellular processes - such as RNA processing, protein folding and degradation, DNA repair, chromatin remodelling, enzymes - to the design of foldamers. The research groups are located at th...

basic medicine PaN medical and health sciences ID23-2

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-1979042716

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Study of CaCO3 crystals precipitated with bio-cementation

James BALL · MICHELA LA BELLA · Antoine NAILLON · MARILYN SARKIS

Bio-cementation of sand, also known as MICP (Microbially Induced Calcite Precipitation), is a rather novel soil-reinforcement process that uses bacterial activity to cement loose cohesionless sand. It leads to the precipitation of calcium carbonate (CaCO3) as calcite crystals on the surface of the particles, that act a...

PaN ID11 MA-6528 Particles, Nuclei and Fields

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-2093751085

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Hercules practicals

Ankit LABH · Lucie CANET · Jonas Rudolf WOLBER · Fabrice WILHELM · y 7 más

Hard X-ray XMCD. During this practical, we will measure the XMCD at the Pd L3,2-edges in NiPd bulk alloy and apply the sum-rules to determine the induced magnetic moment carried by the Pd 4d sates.

PaN ID12 physical sciences IH-HC-4126

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-2087422125

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Polymorphism and CDW in the Y3Rh4Ge13 superconductor

Christoph HENNIG · Dmytro SKACHKO · Volodymyr LEVYTSKYI · ELEANOR LAWRENCE BRIGHT

A composition-dependent polymorphism is observed in Y3Rh4Ge13. Y3Rh4Ge13-polymorphs are weakly-coupled BCS-like superconductors. Besides superconductivity, another state-of-the-art property arises from the temperature-dependent characteristics of magnetic susceptibility and electrical resistivity – charge density wave...

PaN BM20 physical sciences x-ray probe

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-2064078301

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Investigation of the charge distribution at the Pt(111)-CO electrochemical interface coupling in situ surface resonant X-Ray Diffraction wit

Eric SIBERT · Yvonne SOLDO OLIVIER · Aleksandr SAMARIN · Yvonne GRUENDER · y 3 más

The description of structural and electronic properties at the electrochemical interface is of primary importance for the comprehension of the electro-catalytic mechanisms, a challenging topic for the understanding of the electrochemical reactivity. While surface scattering has become a standard X-Ray technique for the...

PaN A02-2-891 BM02 x-ray probe

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-2008418416

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Time-Resolved SAXS Study of Gold and Silver Bimetallic Nanoparticle Formation for Controlled Nanostar Synthesis

Lucas KUHRTS · Daniela DOBRYNIN · Ron ORENSTEIN · Almog SULAM · y 2 más

This study aims to investigates the nucleation and growth mechanisms of gold nanoparticles (GNPs) and gold nanostars (GNSs) using time-resolved in situ small-angle X-ray scattering (SAXS) at the ESRF beamline ID02. By employing an accelerated Turkevich method, HAuCl₄ is rapidly reduced in an acidified ascorbic acid sol...

PaN Chemistry ID02 Particles, Nuclei and Fields

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-2107740442

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Tomography of historical oil painting on wood canvas

Cotte, Marine · Fernandez, Vincent · Janssens, Koen · Vanmeert, Frederik

This experiment aims to: 1) Evaluate the use of PPC-SRµCT on 17th c. painted works of art; 2) Establish the relevant level of spatial resolution for such studies; 3) Compare the obtained virtual cross-sections with microscopic SEM (BEI) images from real cross sections obtained from the same area of the painting. The ex...

PaN x-ray probe Particles, Nuclei and Fields humanities and the arts

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-2017498590

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Investigation of the electronic properties of CeRu2 by X-ray absorption spectroscopy and circular magnetic dichroism

Philippe OHRESSER · Jacques Jean-Paul KAPPLER · BAPTISTE VALLET-SIMOND · Fabrice SCHEURER

CeRu2 is a superconductor of type 2 (critical temperature at 6.2 K) with a peculiar electronic structure. In order to shed some light on these exotic properties of CeRu2, we propose to analyze the Ce-L2,3 absorption edges by X-ray Absorption Spectroscopy (XAS) and X-ray Magnetic Circular Dichroism (XMCD), which probe t...

PaN ID12 physical sciences Hard Condensed Matter Science

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-2018623582

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Transition of fluctuation-modifying to bond-modifying Invar effect in amorphous alloys

Mihai STOICA · Jörg F. LÖFFLER · Raffaella TORCHIO · Jürgen SCHAWE · y 2 más

The Invar effect, characteristic to Fe65Ni35 ordered fcc solid solution, was observed also in the case of ferromagnetic bulk metallic glasses (BMGs). While its origin is still a matter of debate, existing explanations for crystalline materials are built on the fcc lattice. However, this approach cannot be used to descr...

PaN BM23 physical sciences Hard Condensed Matter Science

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-1990502168

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In-situ sintering of additively manufactured WC-12%Co cermets by X-ray tomography and diffraction.

Aidarbek KAIRGELDIN · Rafael VARGAS MAGINADOR · Alexis BURR · Sarah YEHYA · y 4 más

Cemented tungsten carbides-cobalt (WC-Co) commonly referred to as hard-metals, are known for their very high hardness. They are additively manufactured by binder jetting, which produces stress and crack-free parts with isotropic properties. However, the mechanical properties of the WC-Co parts strongly depend on the bi...

PaN ID11 materials engineering x-ray probe

• ESRF (European Synchrotron Radiation Facility...
• English
• DOI: 10.15151/esrf-es-1991904126

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