Communications

2026

Matériaux 2026
Grenoble, France, 16 to 20 november 2026

Participants: Léo Carin

63rd EHPRG Meeting, European High Pressure Research Group
Montpellier, France, 23 to 28 August 2026

Participants: Efim Koleshnikov

  • Periodic dynamic oscillations of iron in diamond anvil cells
    Efim KOLESNIKOV, Julien CHANTEL, Sanjay MANDA, Leo CARIN, Nico GIORDANO, Hauke MARQUARDT, Sebastien MERKEL

2026 Gordon Research Conference on Research at High Pressure
Holderness, New Hampshire, United States, July 19 - 24, 2026 

Participants: H. Ginestet

  • Poster by H. Ginestet et al: Iron and iron alloys at extreme condition: static experiments at X-ray sources

SEDI 2026 -- Study of the Earth’s Deep Interior
Townsville, Queensland, Australia, 29 June - 3 July 2026

Participants: S. Merkel, L. Carin

Posters by

  • First results for experiments on inner core attenuation
    Léo Carin, Sanjay Manda, Efim Kolesnikov, Julien Chantel, Nadège Hilairet, Sébastien Merkel

  • New explorations of iron and iron alloys under extreme conditions at the European XFEL
    Hélène Ginestet, Julien Chantel, Sébastien Merkel, Claire Zurkowski Guillaume Morard, EuXFEL Community Projects #2740, #3063, #5400, #6659

Forum de technologie des hautes pressions
Lège - Cap Ferret, 15-19 june 2026

Participants: H. Ginestet, N. Hilairet, J. Chantel

  • Présentation orale : Diffraction des rayons X en temps résolu sur le Fer et un alliage Fe-Ni-Si sous conditions extrêmes, Hélène Ginestet
  • Atelier pratique sur la préparation de cibles pour compression dynamique par choc (Chakraborti A., Ginestet H., Libon L.)

European Geosciences Union (EGU) General Assembly 2026
Vienna, Austria, 3–8 May 2026

Participants: S. Merkel, L. Carin, N. Hilairet, S. Manda

  • Session GD1.1: Mantle and Core of the Earth; structure, dynamics and interactions
    Co-organized by G7/SM9/TS10
    Convener:  Berta Vilacís | Co-conveners: Anna Schneider, Aisling Dunn, Thomas Duvernay, Eric Edmund, Sébastien Merkel, Johannes Wicht
    Orals | Mon, 04 May, 08:30–12:30 (CEST), 14:00–18:00 (CEST)
    Posters on site | Tue, 05 May, 14:00–18:00
    Posters virtual | Thu, 07 May, 14:21–15:45 (CEST) 

  • First results for experiments on inner core attenuation
    Léo Carin, Sanjay Manda, Efim Kolesnikov, Julien Chantel, Nadège Hilairet, and Sébastien Merkel
    Tue, 05 May, 14:00–15:45 (CEST)   Hall X2 | X2.47

  • Understanding Relaxation Mechanisms in Metals: Application to Earth’s Inner Core  
    Sanjay Manda, Léo Carin, Efim Kolesnikov, Julien Chantel, Nadege Hilairet, and Sébastien Merkel
    Tue, 05 May, 14:00–15:45 (CEST)   Hall X2 | X2.45

  • Pure Fe and Fe-Ni-Si alloys under high-pressure and high temperature at the European XFEL
    Sébastien Merkel, Hélène Ginestet, Claire Zurkowski, and Guillaume Morard and the EuXFEL 3063 and 5700 community proposals
    Thu, 07 May, 10:45–12:30 (CEST)   Hall X2 | X2.100

DESY Photon Science Users' Meeting
26 - 30 January 2026, Hamburg, Germany

Participants: H. Ginestet

  • Hélène Ginestet, Sébastien Merkel, on behalf of the #2700, #3063, #5700 and #6659 community proposals
    Iron at extreme condition at the EuXFEL: static and dynamic experiments
    Best poster prize award for Hélène Ginestet!

 

2025

Rayons X et Matière
18-21 November 2025, Orléans, France

  • H. Ginestet, S. Merkel, campagnes expérimentales EuXFEL 2740, 3063, 5700 et 6659, campagne expérimentale ESRF ES-1538
    Le fer en conditions extrêmes au EuXFEL et à l’ESRF : effet des chemins temps-pression-température et diagramme de phase au-delà de 200 GPa
    Monday 18 November, 15:00

4th Onsen Workshop: Formation and Chemical Composition of Cores
7-10 October 2025, Yunishigawa, Nikko, Tochigi, Japan

  • Merkel Sébastien
    Revisiting the iron phase diagram
    Thursday 9 October, 17:10

AIRAPT International Conference on High Pressure Science and Technology
Matsuyama, Ehime, Japan, 28 September – 3 October 2025

  • Hélène Ginestet
    Effects of timescale and P/T path on the observed phase diagram of Iron up to over 200 GPa
    Mon. Sep 29, Room 2, 16:30 - 16:45

European High Pressure Research Group (EHPRG) Meeting
Manchester, United-Kingdom, 1–5 September 2025

  • Plenary Presentation by S. Merkel
    The iron phase diagram at multiple timescales
    Thur. Sep. 4, 9:00 - 10:00

European Geosciences Union (EGU) General Assembly 2025
Vienna, Austria, 27 April–2 May 2025

  • Session GD 8.4: Earth and Planetary cores
    Co-organized by EMRP1/PS1
    Convener: Jerome Noir | Co-conveners: Eric EdmundECS, Jessica Irving, Sébastien Merkel, Daria Holdenried-Chernoff, Maylis Landeau, Santiago Triana
  • Hélène Ginestet and Sébastien Merkel and the EuXFEL 2740 and 6659 community proposals
    Laser driven shock compression of Iron at the EuXFEL
    Tue, 29 Apr | Room K1, 09:45–09:55
  • Léo Carin, Julien Chantel, Nadège Hilairet, and Sébastien Merkel
    Preliminary work for experiments on inner core attenuation
    Mon, 28 Apr, 10:45–12:30 | Hall X2
  • Sébastien Merkel and Hélène Ginestet and the EuXFEL 3063 and 5700 community proposals
    Study of iron phases at planetary core conditions using static experiments at the European XFEL
    Mon, 28 Apr, 10:45–12:30 | Hall X2

2024

American Geophysical Union Fall Meeting
Washington, DC, United States, December 9–13, 2024 

  • New thermodynamical pathways to explore the phase diagram of iron at Earth's core conditions
    Sebastien Merkel, Hélène Ginestet and EuXFEL community proposals #3063 and #2740

2024 IUCr High Pressure Workshop
Lund, Sweden, September 25–28, 2024 

  • Experiments on iron alloys at planetary core conditions on the European XFEL
    Sébastien Merkel, and the EuXFEL 3063 and 2740 community proposals

Gordon Research Seminar and Gordon Research Conference: Research at High Pressure
Holderness, New Hampshire, United States, July 13–19, 2024 

  • Iron at extreme conditions at the EuXFEL: static and dynamic experiments
    Hélène Ginestet, Sébastien Merkel, and the EuXFEL 3063 and 2740 community proposals

EGU General Assembly
Vienna, Austria & Online | 14–19 April 2024

  • New facilities for high pressure / high temperature experiments on iron alloys at planetary core conditions on the European XFEL | On-site presentation
    Sébastien Merkel and Hélène Ginestet and the EuXFEL 3063 and 2740 community proposals

2023

Rayons X et Matière
Bordeaux, France, 21–24 november 2023

  • Le fer sous hautes pression au laser à électrons libres: diffraction au MHz, chauffage X, et métrologies associées
    Sébastien Merkel, Hélène Ginestet, au nom du  EuXFEL 3063 community proposal

Joint 28th AIRAPT and 60th EHPRG International Conference on High Pressure Science and Technology
Edinburgh, UK, 23–28 July 2023

  • MHz X-Ray Diffraction and X-Ray-Heating in the Diamond Anvil Cell: a Metrology Study on Fe
    Hélène Ginestet, Sebastien Merkel, on behalf of the EuXFEL 3063 community proposal

Communications in