MATHILDE DIEZ

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Publications

Divertor shaping with neutral baffling as a solution to the tokamak power exhaust challenge

Kevin Verhaegh , James Harrison , David Moulton , Bruce Lipschultz , Nicola Lonigro et al.

Communications Physics, 2025, 8 (1), pp.215. ⟨10.1038/s42005-025-02121-1⟩

Article dans une revue hal-05282872v1
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Flow-Induced fretting in DEMO divertor targets equipped with swirl tapes: Numerical investigation through one-way fluid-structure interaction simulations

S. Baydoun , A. Durif , G. Ricciardi , N. Sashidharan , S. Fouvry et al.

Fusion Engineering and Design, 2025, 221, pp.115307. ⟨10.1016/j.fusengdes.2025.115307⟩

Article dans une revue hal-05378084v1
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Dust collection after the high fluence campaign of the WEST tokamak

C. Arnas , A. Campos , M. Diez , E. Bernard , C. Brun et al.

Nuclear Materials and Energy, 2025, 42, pp.101848. ⟨10.1016/j.nme.2024.101848⟩

Article dans une revue hal-04876698v1
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Demonstration of Super-X divertor exhaust control for transient heat load management in compact fusion reactors

B. Kool , K. Verhaegh , G. Derks , T. Wijkamp , J. Koenders et al.

Nature Energy, 2025, ⟨10.1038/s41560-025-01824-7⟩

Article dans une revue hal-05282776v1

Overview of T and D–T results in JET with ITER-like wall

C.F. Maggi , D. Abate , N. Abid , P. Abreu , O. Adabonyan et al.

Nuclear Fusion, 2024, 64 (11), pp.112012. ⟨10.1088/1741-4326/ad3e16⟩

Article dans une revue hal-05282887v1
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Designing tungsten armoured plasma facing components to pulsed heat loads in magnetic fusion machines

R Mitteau , M Diez , M Firdaouss

Nuclear Materials and Energy, 2024, 41, pp.101777. ⟨10.1016/j.nme.2024.101777⟩

Article dans une revue cea-04739158v1
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WEST full tungsten operation with an ITER grade divertor

J. Bucalossi , A. Ekedahl , J. Achard , K. Afonin , O. Agullo et al.

Nuclear Fusion, 2024, 64 (11), pp.112022. ⟨10.1088/1741-4326/ad64e5⟩

Article dans une revue hal-04948518v1
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Evolution and cleaning of the deposit layers on the lower divertor of WEST fully equipped with ITER grade components

J. Gerardin , Y. Corre , C. Desgranges , M. Diez , L. Dubus et al.

Nuclear Materials and Energy, 2024, 41, pp.101783. ⟨10.1016/j.nme.2024.101783⟩

Article dans une revue cea-04816503v1
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Overview of the EUROfusion Tokamak Exploitation programme in support of ITER and DEMO

E. Joffrin , M. Wischmeier , M. Baruzzo , A. Hakola , A. Kappatou et al.

Nuclear Fusion, 2024, 64 (11), pp.112019. ⟨10.1088/1741-4326/ad2be4⟩

Article dans une revue hal-04850452v1

Evolution of pre-damaged ITER grade plasma facing components under WEST plasma exposure: smoothing and tungsten sources

M. Richou , Y. Corre , M. Diez , A. Durif , C. Guillemaut et al.

Nuclear Fusion, 2024, 64 (10), pp.106002. ⟨10.1088/1741-4326/ad66e2⟩

Article dans une revue cea-04765081v1
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Post-mortem analysis of the deposit layers on the lower divertor after the 2023 high particle fluence campaign of WEST

C. Martin , M. Diez , E. Bernard , M. Cabié , A. Campos et al.

Nuclear Materials and Energy, 2024, 41, pp.101764. ⟨10.1016/j.nme.2024.101764⟩

Article dans une revue cea-04765296v1
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Development of Boron Coatings for antenna protection limiters in the WEST Tokamak

C. Hernandez , M. Firdaouss , A. Deleau , M. Diez , Marc Missirlian

Nuclear Materials and Energy, 2024, 38, pp.101573. ⟨10.1016/j.nme.2023.101573⟩

Article dans une revue cea-04590200v1
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Overview of T and D–T results in JET with ITER-like wall

C.F. Maggi , D. Abate , N. Abid , P. Abreu , O. Adabonyan et al.

Nuclear Fusion, 2024, 64 (11), pp.112012. ⟨10.1088/1741-4326/ad3e16⟩

Article dans une revue hal-04850215v1
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Thermal and statistical analysis of the high-Z tungsten-based UFOs observed during the first deuterium high fluence campaign of the WEST tokamak

J. Gaspar , Y. Anquetin , Y. Corre , X. Courtois , M. Diez et al.

Nuclear Materials and Energy, 2024, 41, pp.101745. ⟨10.1016/j.nme.2024.101745⟩

Article dans une revue cea-04765312v1

A step towards the diagnostic of the ITER first wall: in-situ LIBS measurements in the WEST tokamak

Aurélien Favre , Arnaud Bultel , Mamadou Lamine Sankhe , Stéphane Vartanian , Vincent Bruno et al.

Physica Scripta, 2024, 99 (3), pp.035609. ⟨10.1088/1402-4896/ad2826⟩

Article dans une revue hal-04507588v1
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Survey of tungsten gross erosion from main plasma facing components in WEST during a L-mode high fluence campaign

N. Fedorczak , C. Arnas , L. Cappelli , L. Colas , Y. Corre et al.

Nuclear Materials and Energy, 2024, 41 (4), pp.101758. ⟨10.1016/j.nme.2024.101758⟩

Article dans une revue cea-04816563v1
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Experimental characterization of leading edge cracking on bulk tungsten divertor components during 2017–2019 WEST operation

M. Diez , J. Demiane , P. Reilhac , D. Dorow-Gerspach , M. Lemetais et al.

Nuclear Materials and Energy, 2024, 41, pp.101746. ⟨10.1016/j.nme.2024.101746⟩

Article dans une revue cea-04765326v1
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Raman microscopy to characterize plasma-wall interaction materials: from carbon era to metallic walls

C Pardanaud , C Martin , P Roubin , G Roussin , D Dellasega et al.

Materials Research Express, 2023, 10 (10), pp.102003. ⟨10.1088/2053-1591/ad0289⟩

Article dans une revue hal-04534661v1
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Edge cracking of WEST tungsten actively cooled plasma facing components after plasma operation

A. Durif , M. Richou , J.-M. Bergheau , Y. Corre , M. Diez et al.

Fusion Engineering and Design, 2023, 188, pp.113441. ⟨10.1016/j.fusengdes.2023.113441⟩

Article dans une revue cea-04765367v1
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Micron-sized dust and nanoparticles produced in the WEST tokamak

C Arnas , A Campos , M Diez , Samuel Peillon , C Martin et al.

Nuclear Materials and Energy, 2023, 36, pp.101471. ⟨10.1016/j.nme.2023.101471⟩

Article dans une revue hal-04086324v2
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Testing of ITER-grade plasma facing units in the WEST tokamak: Progress in understanding heat loading and damage mechanisms

Y. Corre , M-H. Aumeunier , A. Durif , J. Gaspar , K. Krieger et al.

Nuclear Materials and Energy, 2023, 37, pp.101546. ⟨10.1016/j.nme.2023.101546⟩

Article dans une revue hal-04396244v1
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Plasma exposure of a pre-damaged ITER-like plasma facing unit in the WEST tokamak: in-situ and post-mortem measurements

Yann Corre , Torsten Loewenhoff , Marianne Richou , Sebastijan Brezinsek , Jan Coenen et al.

Nuclear Materials and Energy, 2023, 34, pp.101366. ⟨10.1016/j.nme.2023.101366⟩

Article dans une revue hal-04396238v1
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Overview of plasma-tungsten surfaces interactions on the divertor test sector in WEST during the C3 and C4 campaigns

M. Diez , M. Balden , S. Brezinsek , Y. Corre , N. Fedorczak et al.

Nuclear Materials and Energy, 2023, 34, pp.101399. ⟨10.1016/j.nme.2023.101399⟩

Article dans une revue hal-04396242v1
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Infrared detection of tungsten cracking on actively cooled ITER-like component during high power experiment in WEST

Q. Tichit , A. Durif , J. Gaspar , Y. Anquetin , Y. Corre et al.

Nuclear Materials and Energy, 2023, 37, pp.101537. ⟨10.1016/j.nme.2023.101537⟩

Article dans une revue hal-04396240v1
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Operating a full tungsten actively cooled tokamak: overview of WEST first phase of operation

J. Bucalossi , J. Achard , O. Agullo , T. Alarcon , L. Allegretti et al.

Nuclear Fusion, 2022, 62 (4), pp.042007. ⟨10.1088/1741-4326/ac2525⟩

Article dans une revue hal-03741642v1
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Investigation of plasma wall interactions between tungsten plasma facing components and helium plasmas in the WEST tokamak

E. Tsitrone , B. Pegourie , J.P. Gunn , E. Bernard , V. Bruno et al.

Nuclear Fusion, 2022, 62 (7), pp.076028. ⟨10.1088/1741-4326/ac2ef3⟩

Article dans une revue hal-04029619v1

First plasma exposure of a pre-damaged ITER-like plasma-facing unit in the WEST tokamak: procedure for the PFU preparation and lessons learned

Marianne Richou , Yann Corre , Thorsten Loewenhoff , Mathilde Diez , Céline Martin et al.

Nuclear Fusion, 2022, 62 (5), pp.056010. ⟨10.1088/1741-4326/ac412e⟩

Article dans une revue cea-04765195v1
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Overview of the emissivity measurements performed in WEST: in-situ and post-mortem observations

J. Gaspar , Y. Corre , F. Rigollet , M.-H. Aumeunier , E. Bernard et al.

Nuclear Fusion, 2022, 62 (9), pp.096023. ⟨10.1088/1741-4326/ac6f68⟩

Article dans une revue hal-04029656v1
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Emissivity measurement of the ITER-like plasma facing components of the WEST phase 2: Pre-exposure measurements and first WEST exposure

J. Gaspar , F. Rigollet , N. Ehret , Y. Anquetin , E. Bernard et al.

Nuclear Materials and Energy, 2022, 33, pp.101305. ⟨10.1016/j.nme.2022.101305⟩

Article dans une revue hal-04029665v1

Interface detection by picosecond Laser-Induced Breakdown Spectroscopy (LIBS): Application to a physical vapor deposited tungsten layer on a copper-chromium-zirconium substrate

Aurélien Favre , Vincent Morel , Arnaud Bultel , G. Godard , Saïd Idlahcen et al.

Optics and Laser Technology, 2022, 150, pp.107913. ⟨10.1016/j.optlastec.2022.107913⟩

Article dans une revue hal-04024908v1
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Sustained W-melting experiments on actively cooled ITER-like Plasma Facing Unit in WEST

Yann Corre , Alex Grosjean , James P. Gunn , Karl Krieger , Svetlana Ratynskaia et al.

Physica Scripta, 2021, 96 (12), pp.124057. ⟨10.1088/1402-4896/ac326a⟩

Article dans une revue hal-03583706v1
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Very high-resolution infrared imagery of misaligned tungsten monoblock edge heating in the WEST tokamak

A Grosjean , Y Corre , J Gaspar , J P Gunn , S Carpentier et al.

Nuclear Materials and Energy, 2021, 27, ⟨10.1016/j.nme.2021.100910⟩

Article dans une revue hal-03578420v1
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Sustained W-melting experiments on actively cooled ITER-like Plasma Facing Unit in WEST

Yann Corre , A Grosjean , J Gunn , K Krieger , S Ratynskaia et al.

Physica Scripta, 2021

Article dans une revue hal-03652668v1

Gross and net erosion balance of plasma-facing materials in full-W tokamaks

A. Hakola , J. Likonen , A. Lahtinen , T. Vuoriheimo , M. Groth et al.

Nuclear Fusion, 2021, 61 (11), pp.116006. ⟨10.1088/1741-4326/ac22d2⟩

Article dans une revue hal-04594167v1

Acceptance tests of the industrial series manufacturing of WEST ITER-like tungsten actively cooled divertor

Marianne Richou , Marc Missirlian , Mehdi Firdaouss , Bernd Böswirth , Mathilde Diez et al.

Physica Scripta, 2021, 96 (12), pp.124029. ⟨10.1088/1402-4896/ac2657⟩

Article dans une revue hal-04768143v1
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Thermal loads in gaps between ITER divertor monoblocks: first lessons learnt from WEST

J.P. Gunn , J. Bucalossi , Y. Corre , M. Diez , E. Delmas et al.

Nuclear Materials and Energy, 2021, 27, pp.100920. ⟨10.1016/j.nme.2021.100920⟩

Article dans une revue cea-03202595v1
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Interpretation of temperature distribution observed on W-ITER-like PFUs in WEST monitored with a very-high-resolution IR system

A Grosjean , M H Aumeunier , Y Corre , M Firdaouss , J Gaspar et al.

Fusion Engineering and Design, 2021, 168, pp.112387. ⟨10.1016/j.fusengdes.2021.112387⟩

Article dans une revue hal-03578445v1
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In situ observation of tungsten plasma-facing components after the first phase of operation of the WEST tokamak

M. Diez , Y. Corre , E. Delmas , N. Fedorczak , M. Firdaouss et al.

Nuclear Fusion, 2021, 61 (10), pp.106011. ⟨10.1088/1741-4326/ac1dc6⟩

Article dans une revue cea-04746758v1
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First post-mortem analysis of deposits collected on ITER-like components in WEST after the C3 and C4 campaigns

Céline Martin , Mathilde Diez , Andrea Campos , Martiane Cabié , Gregory Giacometti et al.

Physica Scripta, 2021, 96 (12), pp.124035. ⟨10.1088/1402-4896/ac267e⟩

Article dans une revue hal-03412056v1
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Erosion and redeposition patterns on entire erosion marker tiles after exposure in the first operation phase of WEST

M Balden , M Mayer , B Bliewert , E Bernard , M Diez et al.

Physica Scripta, 2021, 96 (12), pp.124020. ⟨10.1088/1402-4896/ac2182⟩

Article dans une revue hal-03550892v1
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First analysis of the misaligned leading edges of ITER-like Plasma Facing Units using a very high resolution infrared camera in WEST

A Grosjean , Y Corre , R Dejarnac , J Gaspar , J P Gunn et al.

Nuclear Fusion, 2020

Article dans une revue hal-03148253v1
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In-situ assessment of the emissivity of tungsten plasma facing components of the WEST tokamak

J Gaspar , M.-H Aumeunier , M Le Bohec , F Rigollet , S Brezinsek et al.

Nuclear Materials and Energy, 2020, ⟨10.1016/j.nme.2020.100851⟩

Article dans une revue hal-03147012v1
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Design and manufacturing of bulk tungsten tiles for WEST outer limiter

M. Firdaouss , P. Chappuis , S. Gazzotti , M. Lipa , C. Portafaix et al.

Fusion Engineering and Design, 2020, 160, pp.112000. ⟨10.1016/j.fusengdes.2020.112000⟩

Article dans une revue hal-03491201v1

Manufacturing and characterization of stainless steel/CuCrZr and stainless steel/Cu junction ring by explosive welding method

M. Firdaouss , M. Diez , F. Samaille

Fusion Engineering and Design, 2019, 146, pp.1157-1161. ⟨10.1016/j.fusengdes.2019.02.031⟩

Article dans une revue cea-05194310v1
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Tungsten coatings repair: An approach to increase the lifetime of plasma facing components

Mathilde Diez , Mehdi Firdaouss , Marianne Richou , Arnaud Bultel , Frédéric Perry et al.

Fusion Engineering and Design, 2019, 146, pp.800-804. ⟨10.1016/j.fusengdes.2019.01.084⟩

Article dans une revue hal-02110735v1
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Thermal shock resistance of a tungsten diamond composite under extreme heat loads

C Guillemaut , M Richou , M Diez , S Lisgo , M Cabié et al.

20th PFMC 2025 - 20th International Conference on Plasma-Facing Materials and Components for Fusion Applications, May 2025, Ljubljana, Slovenia.

Poster de conférence cea-05317907v1
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WEST wall conditioning with boron: lessons for ITER and fusion power plant

E. Geulin , Alberto Gallo , Mathilde Diez , Pierre Manas , T Wauters et al.

30th IAEA Fusion Energy Conference (FEC2025), Oct 2025, Chengdu, Chine, China

Poster de conférence cea-05369266v1
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Profilométrie par ps-LIBS d'un échantillon de tungstène deposé par PVD

Aurélien Favre , Arnaud Bultel , Saïd Idlahcen , Gilles Godard , Mathilde Diez et al.

Journées LIBS, Nov 2017, Saint-Etienne du Rouvray, France

Poster de conférence hal-03011829v1
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Improving active learning in multi-fidelity hydrodynamic optimization

Jeroen Wackers , R Pellegrini , M Diez , A Serani , M Visonneau

34th Symposium on Naval Hydrodynamics, Jun 2022, Washington, DC, United States

Communication dans un congrès hal-03681614v1
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Thermal loads in gaps between ITER divertor monoblocks: first lessons learnt from WEST

J. P. Gunn , J. Bucalossi , Y. Corre , M. Diez , E. Delmas et al.

PSI 24 - The 24th International Conference on Plasma Surface Interactions in Controlled Fusion, Jan 2021, Jeju, South Korea

Communication dans un congrès cea-03202608v1

Caractérisation de plasmas induits par impulsion laser picoseconde sur cible de tungstène

Aurélien Favre , Vincent Morel , Gilles Godard , Arnaud Bultel , Mathilde Diez et al.

SFP Plasmas 15, Jun 2018, Bordeaux, France

Communication dans un congrès hal-02104950v1