SXNS17

Session

Poster session

16 Jul 2024, 18:10

ESRF Entrance hall

72. BornAgain - software for simulating and fitting reflectometry, off-specular scattering and GISAS

Dr Joachim Wuttke (Forschungszentrum Jülich)

Poster

BornAgain is an open-source research software, under active development at the Jülich Centre for Neutron Science at Heinz Maier-Leibniz Zentrum Garching. Initially written for GISAS, it is currently being extended to reflectometry and off-specular scattering. With its GUI and Python frontends, it allows users to compose arbitrarily complex sample models. Neutron polarization is fully supported.

30. Coating the Inside of Neutron Spin Filters as an Alternative to using GE180

Wolfgang Kreuzpaintner (China Spallation Neutron Source)

Poster

As alternative to solid state neutron super-mirrors, 3He neutron spin filters (NSF) constitute a widely used method for either polarizing an unpolarized neutron beam or for analyzing its polarization after scattering on the sample. The working principle of NSFs is based on spin-polarized 3He having a very large spin-dependent absorption cross-section, filtering out one neutron spin direction...

79. Deep learning-based feature detection on 2D X-ray surface scattering data

Frank Schreiber (Universität Tübingen)

Poster

Grazing-incidence Wide Angle X-ray scattering (GIWAXS) is a key technique for characterizing surface structures of thin films. The method can be used for in-situ experiments monitoring growth and crystallization effects in real-time, but it produces large amounts of data, frequently exceeding the capabilities of traditional data processing methods.
Feature detection in multidimensional X-ray...

58. DEMAX: The Deuteration and Macromolecular Crystallization support lab at the European Spallation Source

Dr Hanna Wacklin-Knecht (European Spallation Source ERIC)

Poster

DEMAX is the ESS Deuteration and Macromolecular Crystallography support lab for chemistry, soft matter, and life science users of the European Spallation Source (ESS). DEMAX support will be available to all users of ESS instruments and includes chemical deuteration, biological deuteration, and large protein crystal growth. DEMAX has been operational since 2019 and is currently operating on a...

40. Designer Peptides at the Oil/Water Interface

Stephen Holt (Australian Nuclear Science and Technology Organisation)

Poster

Two surface-active designer peptides DAMP4 and AM1 have been combined to form a new class of tailorable nano-emulsions (TNE) for delivery of protein antigens to dendritic cells in vivo [1, 2]. DAMP4 is a designed 4-helix bundle, MW 11.1 kDa, consisting of 4 repeat units of PSMKQLADS-LHQLARQ-VSRLEHAD, AM1 corresponds to one of the repeat alpha-helices. The new approach utilizes the...

59. DeuNet: The Deuteration Network

Dr Hanna Wacklin-Knecht (European Spallation Source ERIC)

Poster

The Deuteration Network (DeuNet) is an international consortium comprising deuteration facilities and research laboratories. DeuNet aims to streamline and facilitate access to deuteration services and customized deuterium labeling of molecules and biomolecules for applications in neutron research, NMR, mass spectrometry, and other scientific techniques. Its primary objective is to serve as a...

34. Development of a Liquid Neutron Reflectometer at China Spallation Neutron Source

Dr Guang Wang (China Spallation Neutron Source)

Poster

Attached

38. Diffraction Anomalous Fine Structure on 2D Metal Oxides

Mahesh Ramakrishnan (MAX IV Laboratory)

Poster

Two-dimensional metal oxides are attractive model systems for applications in catalysis and electrochemistry due to their high surface areas and tunability of chemical properties by combining elements across the periodic table. Grazing incidence X-ray absorption spectroscopy, although sensitive to the electronic state and coordination environment around absorbing atoms, cannot differentiate...

13. Exploring interactions between charged lipid bilayers in a strongly confined geometry : beyond Poisson-Boltzmann theory

Arnaud Hemmerle (Synchrotron SOLEIL)

Poster

The rich and complex behavior of amphiphilic molecules self-assembling into supramolecular structures, such as lipid bilayers in water, is fascinating to physicists. Such thin membranes act as quasi-2D worlds — they are about two molecules thick — evolving in a 3D space, which results in a complex set of interactions. Measuring these interactions at the nanometer scale is challenging and...

64. First experiences with focusing reflectometry using a full-scale Selene guide

Jochen Stahn (Paul Scherrer Institut)

Poster

The polarised neutron reflectometer Amor at PSI was equipped in 2020 with a Selene optics, replacing the old curved straight guide. This exchange took 3 months. It took an other 3 years to complete the secondary instrument (electronics, drives, detector, control software) and we started user operation in December 2023 - just before the accelerator maintenance shut-down.

We will present...

82. FREIA - A neutron reflectometer optimised for soft matter and life sciences at ESS

Tom Arnold (ESS)

Poster

The instrument suite at ESS includes two reflectometers which will work together to support the full range of reflectometry science. Both instruments have high beam flux and unique designs that ena-ble fast measurements, but FREIA is optimized for soft matter and life sciences. An overview of the instrument is shown below. The instrument has a downward-oriented elliptical guide focusing a...

7. High-energy synchrotron X-rays for interface structures and material processing analysis

Pol Sallés (ESRF)

Poster

The European Synchrotron - Extremely Bright Source (ESRF-EBS) opens plenty of opportunities to study material structures with a resolution unachievable until now. In the beamline ID31 we take advantage of its full potential to conduct cutting-edge science. We use high-energy X-rays to study the biggest challenges of today's society. we are specialized in characterization techniques including...

51. How an Extra Terminal Group on Fatty Acids Leads to the Formation of Nanostructured Langmuir Films

Ben Ocko (Brookhaven National Labs), Dr Guangcui Yuan (National Institute of Standards and Technology)

Poster

A characteristic of fatty acids (FAs) associated with fur and hair are two terminal methyl groups rather than the single methyl group found in simple FAs. When these FAs form Langmuir monolayers, the geometric constraint of the extra methyl group leads to periodic lateral nanostructures, a feature that doesn’t appear in simple FAs. To unravel the nature of these nanostructures on aqueous...

61. In situ surface X-ray diffraction studies of the electrochemical double layer on Pt(111)

Finn Schröter (Kiel University)

Poster

In situ surface X-ray diffraction studies of the electrochemical double layer on Pt(111)

The molecular structure of the electrochemical double layer is an important fundamental topic in interfacial electrochemistry. It has received renewed interest in the last years because of its influence on many electrochemical reactions and the emergence of ab initio molecular dynamics (AIMD)...

89. In Situ X-ray and Optical Characterisation of Monolayer Graphene and h-BN Growth on Liquid Metal Catalysts

Thomas Sarrazin (ESRF, Grenoble, France)

Poster

Two-dimensional materials (2DMs) such as graphene and hexagonal boron nitride (h-BN), are one of the most promising classes of materials for future technological advancement. However, nearly two decades since their discovery, effective mass production of defect-free 2DMs still remains a challenge.
The current state-of-the-art synthesis approach for 2DMs includes the dissociative adsorption...

36. Influence of various perfluorocarbons on the structural changes of lipid monolayers and on protein adsorption

Jaqueline Savelkouls

Poster

Perfluorocarbons (PFCs) have high medical potential, serving as therapies in ophthalmology, cancer therapy, and respiratory diseases by replacing liquid PFC ventilation and unsafe lung surfactant (LS) substitutes in the future [1,2].

The influence of different perfluorocarbon atmospheres on changes in the vertical and lateral structure of model membranes and on the adsorption of...

73. Innovative High Energy X-ray characterization of interfaces for quantum application

Andrea Sartori (ESRF)

Poster

Small layered junctions, integral to quantum applications, typically comprise thin films, often conductors or superconductors, separated by thin oxide layers. These junctions play critical roles in various quantum devices, including Josephson junctions, thermoionic devices and parametric amplifiers. However, characterizing these structures poses significant challenges due to their small...

71. Insight on the myoglobulin interaction with lipid bilayers within sponge phases using polarized neutron reflectometry

Tommy Nylander (Lund University)

Poster

Lipid nanoparticles (LNPs) are dispersions of liquid crystalline phases [1,2] and feature different structure and curvature of the aqueous lipid interface, including inverse bicontinuous cubic (Q2), sponge phase (L3), or inverse hexagonal (H2) structure depending on the lipid composition [1-3]. In previous work, we have characterised the encapsulation of several industrially relevant proteins:...

16. Liquid Interface X-ray Scattering Program at ChemMatCARS, Sector 15, Advanced Photon Source

Dr Binhua Lin (University of Chicago)

Poster

Since 2002, a state-of-the-art liquid interface scattering instrument has been operational at NSF’s ChemMatCARS in Station 15-ID-C at Sector 15, Advanced Photon Source, Argonne National Laboratory, IL, USA. This instrument is equipped to perform the full suite of interfacial X-ray techniques, facilitating the comprehensive studies of liquid-vapor and liquid-liquid interfaces. Its applications...

96. Magnetic contrast layers with functional SiO2 coatings for soft matter studies with polarised neutron reflectometry

Aleksandr GOIKHMAN (Koenigssystems UG)

Poster

Our presentation introduces silicon substrates with a switchable magnetic contrast layer (MCL) for polarised neutron reflectometry experiments (PNR) at solid/liquid interface to study soft matter surface layers. Combination of PNR with MCL based on obtaining various reflectometry curves from the same structure with changing only one parameter. In “classical” soft matter experiments, this is...

65. Mimicking the interface between mammalian plasma membrane and extracellular matrix: chondroitin sulfate-decorated supported lipid bilayers

Brigida Romano (Università degli studi di Perugia)

Poster

Many vital processes, such as the interaction with pathogens or drugs, take place at the interface between the plasma membrane (PM) and the extracellular-matrix (ECM). The zwitterionic phosphatidylcholine (PC) and the negatively charged phosphatidylserine (PS) are among the most abundant lipids in the PM [1]. The ECM is made of flexible carbohydrates and proteins and is responsible for the...

94. Multi-probe Sources: Neutron and Synchrotron Light Sources Planned in Suzhou and Their Synergistic Applications in Materials Science

Bowen Zhou

Poster

This presentation explores the development of a groundbreaking multi-probe research facility planned for Suzhou, China. This facility will house both a powerful neutron source and a state-of-the-art synchrotron light source, offering researchers a unique and versatile suite of analytical tools. The presentation will delve into the scientific capabilities of each source, highlighting their...

90. Nano-Confined Liquids Studied by Synchrotron Radiation X-ray Diffraction

Masashi Mizukami (Tohoku University)

Poster

Liquids confined in nanometer-level spaces (nano-confined liquids) are known to exhibit properties different from those of the bulk liquid, due to the interaction with confining surfaces as well as the restriction of the mobility under confinement. For example, nano-confined liquids exhibit solid-like properties, i.e., the effective viscosity increases more than several order of magnitudes....

32. Novel fast-X-ray reflectivity setup for studying electrochemical interfaces

Wieland Corts (Forschungszentrum Jülich GmbH - Institute for a Sustainable Hydrogen Economy (INW))

Poster

A fundamental understanding of atomic scale processes occurring at electrochemical interfaces is crucial for advancing the development of energy-related electrochemical systems such as ion batteries or fuel cells. For this purpose, operando experiments are imperative. X-ray reflectivity (XRR) is a non-destructive technique that enables operando analyses of buried structures...

95. Observation of Surface Scattered Wave Induced by fs-laser using Ultrafast Dark-Field X-ray Microscopy

Sung Soo Ha (Sogang university)

Poster

DFXM (Dark-field X-ray Microscopy) has recently gained attention as a promising research method for clearly visualizing domains and defects within materials. The principle feature of DFXM is its ability to produce real-space images of domains selected by the orientation of the Bragg peak using an objective lens. Additionally, DFXM at XFEL facilities is notable for enabling time-resolved...

12. Opportunities for the study of surfaces and interfaces in soft condensed matter at the SIRIUS beamline of Synchrotron SOLEIL

Dr Arnaud Hemmerle (Synchrotron SOLEIL)

Poster

The SIRIUS beamline of the Synchrotron SOLEIL is dedicated to X-ray scattering and spectroscopy of surfaces and interfaces, covering the tender to mid-hard X-ray range (1.1-13 keV) [1,2]. The beamline has hosted a wide range of experiments in the field of soft interfaces and beyond, providing various grazing incidence techniques such as diffraction and wide angle scattering (GIXD/GIWAXS),...

14. Orientational ordering and assembly of silica-nickel Janus particles in a magnetic field.

Gouranga Manna (ESRF)

Poster

The orientation ordering and assembly behavior of silica-nickel Janus particles (JPs) in an external magnetic field (𝐵 ⃗) were probed by ultra small-angle X-ray scattering (USAXS). Even in a weak applied field, the net magnetic moments of individual particles aligned in the direction of the field as indicated by the anisotropy in the recorded USAXS patterns[1]. At higher fields, the magnetic...

80. ORSO- The Open Reflectometry Standards Organisation

Tom Arnold (ESS)

Poster

ORSO is a group of reflectometry scientists from across the globe that are interested in im-proving neutron and X-ray reflectometry through collaboration. The annual meeting for this collaboration will be held at the end of the SXNS conference an so we would like to update the SXNS community on what ORSO has been working on since it was established in 2017 and the most recent developments. In...

29. Polarized neutron reflectivity on granular C/FeCo multilayers

zijun wang (China Institute of Atomic Energy)

Poster

Large magnetoresistance(MR) values are expected for FeCo based granular films, because of the large spin polarization of FeCo alloy. The magnetic depth profile of the [C/FeCo]n multilayers either at individual layer or interfaces in the process of remagnetization is a determinant factor affecting the spin-dependent electronic transport. To obtain the magnetic structure of [C/FeCo]n multilayers...

76. Port-GISANS: A portable GISANS booster for revealing the structure of complex soft matter interfaces and biomembranes

Filip Mehler (Uppsala University)

Poster

Port-GISANS will be a module to enable grazing incidence small angle neutron scattering (GISANS) experiments for existing and future small-angle neutron scattering (SANS) instruments by improving flux, resolution and signal to noise ratio. This will allow GISANS experiments at ESS from day one on its SANS instruments. By focusing the incident flux vertically on the sample and improving the...

70. Realizing Ideal Interfacial Structure using Highly-oxygen-permeable-ionomer Thin Films for Advanced PEFC Catalyst Layers

Dr Masashi Harada

Poster

The performance of catalyst layers in polymer electrolyte fuel cells has been improved by using highly oxygen permeable ionomer (HOPI), a polymer electrolyte with a bulky backbone, instead of the conventional Teflon-like polymer Nafion. To determine the origin of this performance enhancement, we used improved neutron reflectometry (NR) to study the nanostructure of polymer thin films that...

42. Residual stress and texture analysis in thin films using GIWAXS geometry employing a focused X-ray beam

Gemma Newby (Xenocs SAS)

Poster

In-line metrology plays a critical role in ensuring the quality and reliability of microelectronic and semiconductor products, enabling manufacturers to maintain high levels of productivity, efficiency, and competitiveness in the industry. This imposes specific constrains on the techniques employed that need to be able to perform non-destructive, rapid and reliable measurements. Thin films in...

27. SAGA: A surface scattering beamline for ESS

Maximilian Wolff

Poster

Surface science has developed enormously over the last decades and interfaces play an increasing role in applications as well as many areas of science. This fact is in part related to new instrumental capabilities allowing to extract information with high resolution and sensitivity.
Neutron scattering methods offer unique opportunities, as the neutron is sensitive to light elements, low...

46. Surface Defects Affect Fluorescence of Caesium Lead Halide Perovskite Supercrystals

Dmitry Lapkin (Universität Tübingen)

Poster

Advances in the self-assembly of colloidal nanocrystals (NCs) from solution into three-dimensional arrays with long-range order have enabled the design of microscopic “supercrystals” that approach the structural precision of atomic single crystals. The individual NCs, which are the building blocks of a supercrystal, are often regarded as “artificial atoms”, and hence analogies between atomic...

8. Surface structure of (La,Sr)CoO3 film under electrochemical conditions

Prof. Yusuke Wakabayashi (Tohoku University)

Poster

Perovskite oxides exhibit various functionarities. In the current social circumstances, their catalytic functionality is one of the most significant characteristics. Some of Co oxides are known as high performance water splitting catalysts. Here, we report in-situ surface x-ray diffraction measurement of (La,Sr)CoO3 films grown on Nb doped SrTiO3 (001) substrates.

Experiments were done at...

20. The High Resolution Diffraction Beamline P08

Florian Bertram (Deutsches Elektronen-Synchrotron (DESY))

Poster

The beamline P08 is situated at the 3rd generation synchrotron radiation source PETRA III in Ham-burg, Germany and is operational since fall 2009. It is designed for investigations on surfaces, nano- and microstructures, liquid interfaces, Langmuir monolayers and also bulk samples with an emphasis on diffraction and scattering methods and in situ capabilities.

P08 is an undulator beamline...

74. The I07 surface and Interface diffraction beamline at Diamond Light Source

Dr Francesco Carla (Diamond Light Source)

Poster

The I07 beamline at Diamond Light Source (UK) is dedicated to the characterization of surfaces and interfaces using x-ray diffraction and scattering techniques. The beamline operates in the energy range from 6keV to 30keV using a crocooled undulator source, and it's operating 2 experimental hutches with 3 instruments: multipurpose diffractometer, a double crystal deflector for experiment on...

28. The reflectometer Super ADAM at ILL

Maximilian Wolff

Poster

Super ADAM is an angle dispersive neutron reflectometer operated as Swedish CRG instrument at the Institute Laue-Langevin, Grenoble (France). The instrument offers very high resolution and polarization and is optimized for the study of interfaces and thin films with an emphasis on small magnetic moments. The instrument allows to record and analyze off-specular and grazing incidence small angle...

63. Time-resolved x-ray scattering study on polar topolgical structures using XFEL

Kooktae Kim (Pohang University of Science and Technology)

Poster

Topological structures such as polar vortices have been found in PbTiO3/SrTiO3 multi-layer thin films, which have the advantage of being easily manipulated by temperature or electric field, and are known to exhibit collective domain motion in the THz region, attracting great interest as candidates for next-generation functional devices. Since the polarization vectors in this structure strongly...

33. Toward High-throughput Surface-sensitive X-ray Scattering Studies of Electrochemical Interfaces

Toka Matar (1) Forschungszentrum Jülich GmbH, Institute for a Sustainable Hydrogen Economy (INW), Am Brainergy Park 4, 52428 Jülich, Germany 2) RWTH Aachen University, Institute of Physical Chemistry, Landoltweg 2, 52074 Aachen, Germany)

Poster

Lithium-ion batteries (LIBs) are recognized as essential parts of portable electronics, electric vehicles, grid storage, and are a fundamental component in sustainable energy systems development [1]. However, several scientific questions still puzzle researchers, including interfaces and interphases [2]. For instance, the structure and speciation of the potential- and surface-dependent...

45. Towards High-Throughput Studies of Gradient Multi-Component Thin Films

Dmitry Lapkin (Universität Tübingen)

Poster

The technological progress of the last decades would not have been possible without the development of new materials. The materials with the best characteristics for applications are frequently complex multi-component systems with rather nontrivial composition-property dependencies. The compositional optimization of new materials calls for high-throughput studies with many different...

11. Tripling of Q-range of X-ray reflectivity on liquid surfaces using a double-crystal deflector

Dr Maciej Jankowski (ESRF), Oleg KONOVALOV (ESRF)

Poster

The investigation of processes occurring at atomic and molecular levels at the surfaces and interfaces of liquids is of paramount importance for fundamental surface science and practical applications in physics, chemistry and biology. One of the most widely used X-ray-based techniques for the characterization of liquid surfaces is X-ray reflectivity (XRR). One general difficulty exists in...

57. Understanding the effects of essential amino acid on phospholipid membranes

Prashant Hitaishi (Christian-Albrecht University of Kiel (Kiel University))

Poster

A biological cellular membrane is the semipermeable surrounding of a cell that controls its physiological activities. It is comprised of various components, including lipids, cholesterol, proteins and ions. L-Phenylalanine (Phe), an essential amino acid for protein synthesis, is often found in food and dietary supplements. Elevated Phe levels in the body can be dangerous and are associated...

17. X-ray and neutron reflectometry to study the interfacial structure of ionic liquids

Naoya Nishi (Kyoto University)

Poster

The electric double layer (EDL) structure of ionic liquids (ILs) is unique. Since bulky ions gather at the interface, not only the so-called Stern-type exclusion volume between ions and the electrode but also the inter-ionic one cannot be neglected. Due to the excluded volume effect, ionic multilayer structures are spontaneously formed. Furthermore, due to the repulsion between like ions...

31. X-ray diffraction imaging of a single quantum dot

Arka Bikash Dey (Deutsches Elektronen-Synchrotron (DESY))

Poster

Epitaxially grown self-assembled semiconductor quantum dots (QDs) offer atom-like optical properties, making them ideal for single photon sources in quantum technologies. Selecting a QD with specific characteristics is crucial for noise-free, indistinguishable photons. We developed a screening protocol to identify the best QD from multitude of simultaneously grown dots. Our study revealed...

21. X-ray reflectivity on curved surfaces of molten copper covered with graphene film.

Dr Maciej Jankowski (ESRF), Oleg KONOVALOV

Poster

The X-ray reflectivity technique can provide out-of-plane electron-density profiles of surfaces, interfaces, and thin films, with atomic resolution accuracy. While current methodologies require high surface flatness, this becomes challenging for naturally curved surfaces, particularly for liquid metals, due to the very high surface tension. A method for X-ray reflectivity measurements on...