Invited speakers

We are happy to announce a significant set of invited lectures for the EXRS2024 to be delivered by distinguished scientists. These lectures will cover a wide range of topics around X-Ray Spectrometry and its applications. See the details and short abstracts for the Keynote lecture, the Invited Plenary lectures (tentative list) and the Public lecture below.

KEYNOTE LECTURE

Sokaras Dimosthenis, SLAC National Accelerator Laboratory, USA

X-rays advancements accelerate the Energy and Chemical Industries transition to sustainability.

Transitioning our energy and chemical industries to sustainability demands major innovations in chemical transformation technologies. Advanced X-ray characterization methods, gradually developed over decades, now provide reliable insights, facilitating the discovery of scalable solutions across the entire innovation chain: from metal mining to high-throughput manufacturing and the development of high performing and durable energy storage and catalysis-based solutions. Concurrently, high-precision theoretical calculations, powered by modern supercomputers, correlate the experimental signatures of non-equilibrium phases, and translate spectral features into atomic level insights. This synergy between experimental and theoretical advancements in X-ray science is propelling progress towards sustainable and circular energy and chemical industries.

INVITED PLENARY SPEAKERS

Baumann Jonas, Technical University of Berlin, Institute for Optics and Atomic physics, Germany

Making your 2D detector energy-dispersive: The example of Scanning-free Grazing Emission X-ray Fluorescence

Numerous laboratories use 2d detectors, such as CCDs or CMOS, for X-ray spectroscopy. However, less known is the possibility to operate these detectors in an energy-dispersive mode, which can reduce background signal and detector noise or even pave the way for novel methodologies. In this presentation, a post-processing software-approach to enable energy discrimination for 2d detectors will be presented and illustrated using the example of scanning-free grazing emission X-ray fluorescence.

Caliri Claudia, Institute of Heritage Science, CNR (ISPC-CNR), Italy

Advanced in-situ characterization of European Heritage by X-ray based techniques within the MOLAB platform

XRAYLab of the Institute of Heritage Science (ISPC-CNR) in Catania, Italy, is a specialized research group in the development of novel mobile X-ray instruments for the non-invasive investigation of tangible cultural heritage. X-ray technologies are well-established for the investigation of art objects because they are non-destructive, well-suited for materials identification and their related degradation, and they are typically implemented in mobile configurations allowing the analysis of samples in their original site. XRAYLab has recently introduced several novel advanced X-ray methodologies routinely operated for the access to the MOLAB platform of the European Infrastructure for the Heritage Science (E-RIHS).

Kleiner Karin, Battery Research Center MEET, University of Münster, Germany

X-ray based spectroscopy reveal the energy storage mechanism in battery materials

High resolution core level spectroscopy in combination with charge transfer multiplet calculations reveals the energy storage mechanism in state-of-the-art but also promising future battery materials. A multidisciplinary approach using depth profile resolved x-ray fluorescence spectroscopy helps to understand unique properties of energy materials. Recent advances in the field enabled us to show, that redox processes at low and medium states of charge (SOCs) proceeds via a shift of electron density from the oxygen lattice towards redox active nickel while at high SOCs p-state formation and subsequent oxygen release are observed.

Krämer Markus, AXO DRESDEN GmbH, Germany

Forming layers and measuring in the nm- and sub-nm range

With high precision coating technology we can design and fabricate nm- and pm-range structures not only as single layers, layer stacks or periodic multilayers but also controlled variations of the composition on atomic scale. Thickness gradients/slopes, controlled intermixing and gradients in depth are possible. Those structures are applied as X-ray monochromators, focusing or collimating beam shaping devices as well as tailored test and calibration samples for many nanoscale analysis methods and instruments. Some common and some unusual applications will be presented.

Margui Eva, Department of Chemistry, University of Girona, Spain

The current role of XRF spectrometry in the analytical chemistry field: an overview of applications in the research and industrial fields

In recent years, the conceptual advancement on green analytical chemistry (GAC) has moved in parallel with efforts to incorporate new screening or quantitative low-cost analytical tools to solve analytical problems. In this sense, the role of techniques that allow the non-invasive analysis or with a minimum sample treatment cannot be neglected. The potential and limitations of several XRF setups will be discussed through different applications in the research and industrial fields.

So Po-Wah, King’s College London, Institute of Psychiatry, Psychology and Neuroscience, UK

Integrating Magnetic Resonance and X-ray Fluorescence for Elemental Analysis and Mapping in Biological Tissues

Combining magnetic resonance imaging (MRI) and X-ray fluorescence techniques is a powerful strategy for analysing elemental distribution in biological tissues. MRI, although less sensitive, offers non-invasive insights into elements, e.g., iron. Integrating MRI with X-ray fluorescence mapping yields both detailed visualization and quantitative analysis of elemental tissue distribution, with potential diverse applications in biomedical research and clinical diagnostics.

Trentelman Karen, The Getty Conservation Institute, USA

X-ray fluorescence spectroscopy in cultural heritage: a foundational technique for understanding artistic practice

Providing insight into artists’ materials and methods X-ray fluorescence (XRF) spectroscopy is a cornerstone technique in the study of cultural heritage materials. From portable handheld units that can be taken into the field to scanning systems that can show how an artist used different pigments or other materials to build up a work of art, the elemental information provided by XRF helps conservators and art historians better understand, interpret, and preserve our material cultural heritage.

Zarkadas Charalampos, Malvern Panalytical B.V. Lelyweg 1 (7602 EA), The Netherlands

Machine learning methods in X-ray spectrometry and the catalytic role of Monte Carlo based approaches

Machine learning methods have been founding their way in the field of X-ray spectrometry and used as alternative, or complementary tools to classical qualitative and quantitative analysis. In this direction, optimized Monte Carlo based approaches can act as catalysts, by providing suitable training data sets otherwise impossible to generate. In such case, the quality of the generated data must be carefully assessed, and missing links must be identified. Finally, the performance of ML approaches should be critically addressed to conclude whether the rewards justify the effort.

PUBLIC LECTURE

Brekoulaki Hariklia, Institute of Historical Research, Department of Greek and Roman Antiquity, The National Hellenic Research Foundation, Greece

Greek Painting: Re-discovering a legendary art of the classical world with state-of-the-art technologies

Shedding light on the creative processes of Greek masterpieces of the Classical and Hellenistic periods allow us to understand the evolution of figurative painting and trace the origin of important artistic discoveries and achievements that will be re-invented and further developed from the Renaissance onwards. In this talk, the key role of new technologies in the identification of ancient painting materials and their modes of application by Greek painters will be discussed, with representative examples of paintings from the Classical and Hellenistic periods.