XAFS50.FR

5 Oct 2026, 13:30 → 9 Oct 2026, 18:00 Europe/Paris

Synchrotron SOLEIL

50 Years of XAFS Adventure in France: From the Pioneers of LURE to 4th-Generation Sources

The XAFS50.FR conference will take place at SOLEIL from October 5 to 9, 2026.

How can we observe the environment around atoms ? Over the past 50 years, XAFS (X-ray Absorption Fine Structure) spectroscopy has attracted researchers from every field thanks to its atomic and orbital selectivity combined with high sensitivity, offering unique access to the structural and electronic properties of materials.

Developed in parallel with major advances in synchrotron radiation, XAFS has established itself step by step, becoming an essential tool for many scientific communities as well as for industry, and is now even beginning to appear as a laboratory-based technique with commercial spectrometers.

The XAFS50.FR event will bring together historical insight and scientific perspectives, highlighting the pioneering experiments carried out at LURE (ACO, DCI, Super-ACO), the development of formalisms and the standardization of analyses, and the current progress at SOLEIL and the 4th generation source ESRF-EBS — a development that SOLEIL-II will soon join.

Template abstracts workshop.doc

XAFS50.FR - Preliminary Programme.pdf

Monday 5 October

13:30 Registration

Welcome

Conveners: Delphine VANTELON (SOLEIL), Valerie BRIOIS (SOLEIL)

Plenary lecture: TBD

Conveners: Denis RAOUX, Pierre LAGARDE

Plenary lecture: XAFS de surface et XAFS dispersif ; l'usage essentiel de la polarisation du photon dans le champ naissant des interfaces et multicouches

Conveners: Alain FONTAINE, Dominique CHANDESRIS

Plenary lecture: TBD

Convener: Christian BROUDER

Plenary lecture: TBD

Convener: Georges CALAS (Sorbonne Université)

16:00 Coffee break

Plenary lecture: La spectroscopie d’absorption sous pression: une spécialité française, du LURE à SOLEIL en passant par l’ESRF et SLS

Conveners: Alain POLIAN (SOLEIL), Jean-Paul ITIE (SOLEIL)

Plenary lecture: Chemistry & XAFS@LURE at the edge of the 80s, Science, People, Driving Concepts

Conveners: Christophe CARTIER DIT MOULIN, Françoise VILLAIN, Michel VERDAGUER

Plenary lecture: The Journey of XAFS beamlines from the 1st to the 4th generation of Synchrotron Radiation Facilities

Conveners: Jean DAILLANT, Michele SAUVAGE (SOLEIL)

Tuesday 6 October

Introduction

Conveners: Delphine VANTELON (SOLEIL), Valerie BRIOIS (SOLEIL)

Plenary lecture: TBD

Convener: John REHR

Invited talk: TBD

Convener: Stéphanie ROSSANO

10:35 Coffee break

Invited talk: TBD

Convener: Sakura PASCARELLI

Oral Communication: 1 to 3

1 First-principles XANES calculations within the pseudopotential framework: 17 years of XSpectra

Speaker: Prof. Delphine CABARET (Sorbonne Université - IMPMC)

abstract_Cabaret.docx

2 XAFS in liquids and disordered systems: early and recent advances from LURE times to today

Speaker: Andrea DI CICCO (Università di Camerino)

abstractADC_xafs50.docx

12:30 Lunch

Oral Communication: Session Catalysis

3 Catalyst Design Guided by XAS Spectroscopy

Speaker: Xavier CARRIER (Sorbonne Université)

Abtsract_Carrier_XAFS50.pdf

4 XAS's contribution to IRC(IRCELYON) research in the field of catalysis

Speaker: christophe GEANTET (CNRS)

abstracts_GEANTET XAFS50.pdf

5 Operando XAFS Reveals Interfacial Redox Chemistry of Supported Metal Catalysts as the Switch Descriptor Between Base- and Tip-Growth Carbon Filaments During Catalytic Methane Splitting

Speaker: Wilson HENAO (Instituto de Tecnología Química (ITQ))

Abstract_Wilson_Henao_XAFS50-FR.docx

6 Combined XAFS/DRIFTS/MS : a powerful technique for operando catalysts investigations

Speaker: Davide SALUSSO (ESRF)

Abstract_Salusso.docx

7 Monitoring the Formation of a Single-Atom Catalyst with Operando Quick XAFS

Speaker: Laurent PICCOLO

XAFS50_Piccolo_final.pdf

Oral Communication: Session Disordered Materials & Cultural Heritage

8 Local Structure in Silicate Glasses and Melts at Extreme Conditions

Speaker: Max WILKE (Universität Potsdam)

WIlkeXAFS50FR.docx

9 From liquid to solid: The contribution of XANES at the structure and properties of glasses and melts.

Speaker: daniel NEUVILLE (IPGP CNRS)

2027-XAFS-SOLEIL.docx

10 X-RAY ABSORPTION SPECTROSCOPY IN SURFACE SCIENCE ON LUCIA

Speaker: Nicolas TRCERA (Synchrotron SOLEIL)

abstracts_TRCERA.docx

11 XAFS to study Cultural Heritage Metallic Materials

Speaker: Solenn REGUER (SOLEIL)

Solenn_Reguer_XAFS50_abstract.docx

12 Harnessing X-rays to Reveal Historical Productions in Late Iron Age Britain

Speaker: Susan NEHZATI (Diamond Light Source)

Abstract_SNehzati.docx

15:30 Coffee break

Invited talk: Evolution of Synchrotron XAS for Heterogeneous Catalysis : From early studies to operando strategies and data analysis, at IFPEN

Convener: Christele LEGENS (IFP Energies nouvelles)

Exhibitors presentations

Poster session

18:30 Conference diner at La Coupole

Wednesday 7 October

Introduction

Conveners: Delphine VANTELON (SOLEIL), Valerie BRIOIS (SOLEIL)

Plenary lecture: TBD

Convener: Yves JOLY (Université Grenoble Alpes, CNRS, Institut Néel)

Invited talk: TBD

Convener: Jean SUSINI (Synchrotron SOLEIL)

10:35 Coffee break

Oral Communication: Session Energy Related Materials

13 From Ex Situ to Operando Soft X-rays Microscopy of Photoactive Materials: Case of Hematite-based Photoanodes

Speaker: Stefan STANESCU (SOLEIL)

2026-XAFS_workhop_SOLEIL_Stanescu.pdf

14 Operando XAS Strategies for Rational Design of Electrochemical Energy Materials

Speaker: Francesco PAPARONI (SOLEIL)

Abstract_50anniXAFSFR.doc

15 Tuning Redox Chemistry in Gd-Doped Ceria: Gd-Driven Suppression of Ce³⁺ Formation in Reducing Condition.

Speaker: alessandro LONGO

oral_AL.docx

16 The Optical Dispersive EXAFS (ODE) Beamline at Soleil Synchrotron and Its Studies

Speaker: Qingyu KONG (SOLEIL)

ODE-dispersive-XAS.pdf

17 Combined Operando XRD And XAS Study Of Electrochemically Active Li2MChO Anti-perovskites

Speaker: Mikhail GORBUNOV (Karlsruhe Institute of Technology)

XAFS50_Gorbunov.doc

Oral Communication: Session Geosciences Part I

18 Coupling High-Energy Resolution Fluorescence Detected X-ray Absorption Spectroscopy (HERFD-XAS) with microfluidic cells for in situ monitoring of tungsten nanoparticles redox transformation

Speaker: melanie AUFFAN (CEREGE CNRS)

Auffan_W.pdf

19 Vanadium enrichment in lateritic soils: mineralogical and pedoclimatic controls

Speaker: Myriam BOUDIEB

abstract_XAFS50_boudiebmyriam.pdf

20 Redox speciation of cerium in the presence of colloids

Speaker: Terjini KITHTHANGODAGE

Terjini Kiththangodage-SOLEIL conference- 2026-Abstract.pdf

21 XAS Studies Of Metal Transport In Hydrothermal Fluids : Autoclaves And Photons.

Speaker: Denis TESTEMALE (Institut Néel - CNRS)

testemale_abstracts workshop_v2.pdf

22 Probing the Speciation of Transition Metals (Mo, W) in Hydrothermal Fluids by In-Situ XAS

Speaker: Maria KOKH (Institut für Geowissenschaften Universität Potsdam)

Kokh_et_al_Soleil_07072026.doc

12:30 Lunch

Invited talk: X-ray Absorption Spectroscopy: A Key to Deciphering and Optimizing Battery Materials

Convener: Laurence CROGUENNEC

Oral Communication: 24 to 27

23 Understanding chemical bonds with valence RIXS

Speaker: Oana BUNAU (European Synchrotron Research Facility)

XAFS50_2026.docx

24 Orbital Engineering in Graphene/SiC: An ELNES and FDMNES Study

Speaker: Dr Vinod Kumar PAIDI (CNRS, INSA Lyon, UCBL, MATEIS, UMR 5510, 69621 Villeurbanne, Lyon, France)

V_Paidi_XAFS_50_abstracts_Workshop.docx

25 Unraveling Local Environment in Multicomponent Materials using Reverse Monte Carlo Simulations

Speaker: Alexei KUZMIN (Institute of Solid State Physics of the University of Latvia)

XAFS50_FR_Abstract_Oral_communication_Alexei_Kuzmin.docx

26 Multiple-Edge EXAFS/RMC Refinement for 3D Local Structure in SrTiO3

Speaker: Andris ANSPOKS (Institute of Solid State Physics)

XAFS50_FR_Oral_Abstract_Anspoks.docx

15:50 Coffee break

Invited talk: Dichroisms at LURE and SOLEIL

Convener: Philippe SAINCTAVIT (CNRS)

Oral Communication: 28 to 31

27 Introducing « FITNESS »: a new program, built-in to Fastosh, to efficiently perform shell-by-shell fitting of the EXAFS

Speaker: Gautier LANDROT (SOLEIL)

Abstract Landrot.doc

28 From Monometallic to Bimetallic NiCo/SiO₂: Element-Resolved Active-Site Identification by Operando XAS and MCR-ALS

Speaker: Shuchi ZHANG (Eindhoven University of Technology)

Abstract manuscript for XAFS 50.docx

29 Resolving the "Coloring Problem" in Crystallography: The Synergistic Power of EXAFS and Resonant Diffraction

Speaker: Carmelo PRESTIPINO (CRISMAT)

EXAFS50.docx

30 EXAFS Unbound: Unlocking Atomic Scale Insights Beyond The Next Edge

Speaker: RENE BES (University of Helsinki)

XAFS50_abstract_ExtendedEXAFS.docx

Invited talk: TBD

Convener: Karine PROVOST

Poster session: Aperitif

Thursday 8 October

Introduction

Plenary lecture: TBD

Convener: Janis TIMOSHENKO

Invited talk: TBD

Convener: Philippe MARTIN

10:35 Coffee breaks

Oral Communication: Session Chemistry

31 Unraveling the fate of anticancer gold complexes in cells through HERFD-XAFS

Speaker: Tom LACOMA (Sorbonne Université)

Abstract_XAFS50_v1.pdf

32 Comparative Pt L₃-edge XAS study of Pt nanoparticles with different morphologies in solution and tumor cells

Speaker: Mr RAÚL MAGRO HERNÁNDEZ

Abstract_XAFS50.pdf

33 Magnetic hyperthermia at the nanoscale

Speaker: Jerome FRESNAIS (CNRS - Laboratoire PHENIX)

Fresnais abstract XAFS50.pdf

34 Understanding Nanoparticles Formation mechanisms at ITODYS Laboratory: Insights from investigations at ROCK Beamline.

Speaker: Marion GIRAUD (ITODYS, Université Paris Cité)

Template_abstracts_Workshop_XAFS50_Giraud_Sicard_V2.pdf

35 Time- and Space-Resolved Formation Stannosilicates by in situ XAS

Speaker: Aram BUGAEV (Paul Scherrer Institute)

abstract_XAFS.50.fr.docx

Oral Communication: Session Geosciences Part II

36 Redox speciation of contaminants at magnetite surface

Speaker: Dr Rémi MARSAC (Institut de physique du globe de Paris - CNRS)

Résume pour XAFS50 RM.docx

37 Mineralogical Controls on the Fate of Emerging Contaminants in Laterites Revealed by XAFS

Speaker: Quentin BOLLAERT (SOLEIL)

bollaert_abstract_XAFS50.docx

38 Thermal transformation of clay minerals probed by in situ soft-X-ray absorption spectroscopy

Speaker: Erwan PAINEAU (Laboratoire de Physique des Solides - CNRS)

Abstract_XAFS50_paineau.pdf

39 Assessing the Sensitivity of X-ray Absorption Spectroscopy to Distinguish Various Forms of Nucleic Acids and Their Surface Structures on Imogolite Nanotubes

Speaker: jerome ROSE (CNRS CEREGE)

Rose_Workshop_XAS50_26.docx

40 A short retrospective of actinide hexacyanoferrate exploration initiated at LURE

Speaker: Christophe DEN AUWER (Université Côte d'Azur)

abstracts_CDA_XAFS50.pdf

12:30 Lunch

Invited talk: TBD

Convener: Geraldine SARRET (CNRS)

Oral Communication: 42 to 45

41 Beyond XAS with RIXS

Speaker: Jean-Pascal RUEFF (SOLEIL)

Abstract_RUEFF_XAS50.docx

42 Study of the genesis of HDS catalysts by in situ photon in photon out spectroscopy

Speaker: Sylvain CRISTOL (université de lille)

abstract xas50 scristol.pdf

43 Understand 4f covalency by ab initio calculated RIXS plane

Speaker: Sihan ZHANG (ESRF)

XAFS50-Sihan.docx

44 Tender X-ray photon-in/photon-out spectroscopy at ESRF ID26

Speaker: Pieter GLATZEL (ESRF)

XAFS50_2026_Glatzel_tender.docx

15:50 Coffee break

Invited talk: TBD

Convener: Laurent MICHOT (PHENIX)

Oral Communication: 46 to 49

45 Developments of the setup for pump-probe X-ray absorption fine structure (XAFS) and a capability of EXAFS at FXE instrument, European XFEL

Speaker: Yohei UEMURA (European XFEL)

XAFS50_abstracts.docx

46 X-ray Absorption Spectroscopy and Diamond.

Speaker: Giannantonio CIBIN (Diamond Light Source Ltd.)

GCibin_abstracts_Workshop.docx

47 Operando Spatio-Temporal Study of CO oxidation reaction in Pd Catalysts using Full-Field Hyperspectral XAS imaging

Speaker: Marlon MUNIZ DA SILVA (CNPEM - Sirius)

XAFS_Soleil_Marlon_Final.pdf

48 X-ray Absorption Spectroscopy meets Imaging to Unveil Inclusion Puzzles in Deep Diamonds

Speaker: HELIO TOLENTINO (LNLS/CNPEM)

XAFS50 workshop SOLEIL - HELIO TOLENTINO.docx

Conclusion & Goodbyes

Friday 9 October

Introduction

Conveners: Delphine VANTELON (SOLEIL), Valerie BRIOIS (SOLEIL)

Fastosh Tutorial

12:00 Lunch

FDMNES Tutorial