Curriculum Vitae


Three-dimensional atomic-scale investigation of ZnO-MgxZn1−xO m-plane heterostructures

E. Di Russo;L. Mancini;F. Moyon;S. Moldovan;J. Houard;F. H. Julien;M. Tchernycheva;J. M. Chauveau;M. Hugues;G. Da Costa;I. Blum;W. Lefebvre;D. Blavette;L. Rigutti;

Applied Physics Letters : 111 (3), 032108

Date de Publication : 17/07/2017


Carrier Localization in GaN/AlN Quantum Dots As Revealed by Three-Dimensional Multimicroscopy

Lorenzo Mancini;Florian Moyon;David Hernàndez-Maldonado;Ivan Blum;Jonathan Houard;Williams Lefebvre;François Vurpillot;Aparna Das;Eva Monroy;Lorenzo Rigutti;

Nano Letters : 17 (7), 4261-4269

Date de Publication : 27/06/2017


Understanding and controlling the structure and segregation behaviour of AuRh nanocatalysts

Laurent Piccolo;Z. Y. Li;Ilker Demiroglu;Florian Moyon;Zere Konuspayeva;Gilles Berhault;Pavel Afanasiev;Williams Lefebvre;Jun Yuan;Roy L. Johnston;

Scientific Reports : 6 (1),

Date de Publication : 14/10/2016


Reverse Monte Carlo reconstruction algorithm for discrete electron tomography based on HAADF-STEM atom counting


Journal of Microscopy : 265 (1), 73-80

Date de Publication : 20/09/2016


Statistical nanoscale study of localised radiative transitions in GaN/AlGaN quantum wells and AlGaN epitaxial layers

L Rigutti;L Mancini;W Lefebvre;J Houard;D Hernàndez-Maldonado;E Di Russo;E Giraud;R Butté;J-F Carlin;N Grandjean;D Blavette;F Vurpillot;

Semiconductor Science and Technology : 31 (9), 095009

Date de Publication : 25/08/2016


The effect of minor solute additions on the precipitation path of an Al Cu Li alloy

Eva Gumbmann;Williams Lefebvre;Frédéric De Geuser;Christophe Sigli;Alexis Deschamps;

Acta Materialia : 115, 104-114

Date de Publication : 08/2016


Microstructure, mechanical properties and creep of magnesium alloy Elektron21 reinforced with AlN nanoparticles by ultrasound-assisted stirring

Lydia Katsarou;Maher Mounib;Williams Lefebvre;Sergey Vorozhtsov;Matteo Pavese;Claudio Badini;Jon Mikel Molina-Aldareguia;Carmen Cepeda Jimenez;Maria Teresa Pérez Prado;Hajo Dieringa;

Materials Science and Engineering: A : 659, 84-92

Date de Publication : 04/2016


Statistical correction of atom probe tomography data of semiconductor alloys combined with optical spectroscopy: The case of Al0.25Ga0.75N

L. Rigutti;L. Mancini;D. Hernández-Maldonado;W. Lefebvre;E. Giraud;R. Butté;J. F. Carlin;N. Grandjean;D. Blavette;F. Vurpillot;

Journal of Applied Physics : 119 (10), 105704

Date de Publication : 14/03/2016


Multi-microscopy study of the influence of stacking faults and three-dimensional In distribution on the optical properties of m-plane InGaN quantum wells grown on microwire sidewalls

L. Mancini;D. Hernández-Maldonado;W. Lefebvre;J. Houard;I. Blum;F. Vurpillot;J. Eymery;C. Durand;M. Tchernycheva;L. Rigutti;

Applied Physics Letters : 108 (4), 042102

Date de Publication : 25/01/2016


Mechanical and electrical properties of an ultrafine grained Al–8.5 wt. % RE (RE = 5.4 wt.% Ce, 3.1 wt.% La) alloy processed by severe plastic deformation

M.Yu. Murashkin;I. Sabirov;A.E. Medvedev;N.A. Enikeev;W. Lefebvre;R.Z. Valiev;X. Sauvage;

Materials & Design : 90, 433-442

Date de Publication : 01/2016


Identification of the metallurgical parameters explaining the corrosion susceptibility in a 2050 aluminium alloy

Mathilde Guérin;Joël Alexis;Eric Andrieu;Lydia Laffont;Williams Lefebvre;Grégory Odemer;Christine Blanc;

Corrosion Science : 102, 291-300

Date de Publication : 01/2016


Cu atoms suppress misfit dislocations at the β″/Al interface in Al–Mg–Si alloys

Takeshi Saito;Flemming J.H. Ehlers;Williams Lefebvre;David Hernandez-Maldonado;Ruben Bjørge;Calin D. Marioara;Sigmund J. Andersen;Eva A. Mørtsell;Randi Holmestad;

Scripta Materialia : 110, 6-9

Date de Publication : 01/2016


A combinatorial approach for studying the effect of Mg concentration on precipitation in an Al–Cu–Li alloy

E. Gumbmann;F. De Geuser;A. Deschamps;W. Lefebvre;F. Robaut;C. Sigli;

Scripta Materialia : 110, 44-47

Date de Publication : 01/2016


Atom Probe Sample Preparation

I. Blum;F. Cuvilly;W. Lefebvre-Ulrikson;

Atom Probe Tomography : , 97-121

Date de Publication : 2016


Time-of-Flight Mass Spectrometry and Composition Measurements

C. Pareige;W. Lefebvre-Ulrikson;F. Vurpillot;X. Sauvage;

Atom Probe Tomography : , 123-154

Date de Publication : 2016


Data Mining

W. Lefebvre-Ulrikson;G. Da Costa;L. Rigutti;I. Blum;

Atom Probe Tomography : , 279-317

Date de Publication : 2016


Correlative Microscopy by (Scanning) Transmission Electron Microscopy and Atom Probe Tomography

W. Lefebvre-Ulrikson;

Atom Probe Tomography : , 319-351

Date de Publication : 2016


Advanced volume reconstruction and data mining methods in atom probe tomography

F. Vurpillot;W. Lefebvre;J.M. Cairney;C. Oberdorfer;B.P. Geiser;K. Rajan;

MRS Bulletin : 41 (01), 46-52

Date de Publication : 01/2016


HAADF–STEM atom counting in atom probe tomography specimens: Towards quantitative correlative microscopy

W. Lefebvre;D. Hernandez-Maldonado;F. Moyon;F. Cuvilly;C. Vaudolon;D. Shinde;F. Vurpillot;

Ultramicroscopy : 159, 403-412

Date de Publication : 12/2015


Size distribution and volume fraction of T1 phase precipitates from TEM images: Direct measurements and related correction

Thomas Dorin;Patricia Donnadieu;Jean-Marc Chaix;Williams Lefebvre;Frédéric De Geuser;Alexis Deschamps;

Micron : 78, 19-27

Date de Publication : 11/2015


Tem Observation Of Age-Hardening Precipitation In Mg-Gd-Y Alloys As Different Gd/Y Ratio

Y. Matsuoka;K. Watanabe;J. Nakamura;W. Lefebvre;S. Saikawa;S. Ikeno;K. Matsuda;

Archives of Metallurgy and Materials : 60 (2),

Date de Publication : 01/01/2015


Composition of Wide Bandgap Semiconductor Materials and Nanostructures Measured by Atom Probe Tomography and Its Dependence on the Surface Electric Field

Lorenzo Mancini;Nooshin Amirifar;Deodatta Shinde;Ivan Blum;Matthieu Gilbert;Angela Vella;François Vurpillot;Williams Lefebvre;Rodrigue Lardé;Etienne Talbot;Philippe Pareige;Xavier Portier;Ahmed Ziani;Christian Davesnne;Christophe Durand;Joël Eymery;Raphaël Butté;Jean-François Carlin;Nicolas Grandjean;Lorenzo Rigutti;

The Journal of Physical Chemistry C : 118 (41), 24136-24151

Date de Publication : 03/10/2014


HAADF-STEM and DFT investigations of the Zn-containing β″ phase in Al–Mg–Si alloys

Takeshi Saito;Flemming J.H. Ehlers;Williams Lefebvre;David Hernandez-Maldonado;Ruben Bjørge;Calin D. Marioara;Sigmund J. Andersen;Randi Holmestad;

Acta Materialia : 78, 245-253

Date de Publication : 10/2014


Phase stabilization principle and precipitate-host lattice influences for Al–Mg–Si–Cu alloy precipitates

F. J. H. Ehlers;S. Wenner;S. J. Andersen;C. D. Marioara;W. Lefebvre;C. B. Boothroyd;R. Holmestad;

Journal of Materials Science : 49 (18), 6413-6426

Date de Publication : 17/06/2014


The effect of Zn on precipitation in Al–Mg–Si alloys

Takeshi Saito;Sigurd Wenner;Elisa Osmundsen;Calin D. Marioara;Sigmund J. Andersen;Jostein Røyset;Williams Lefebvre;Randi Holmestad;

Philosophical Magazine : 94 (21), 2410-2425

Date de Publication : 13/05/2014


Detailed atomistic insight into the β″ phase in Al–Mg–Si alloys

Per Harald Ninive;Are Strandlie;Sverre Gulbrandsen-Dahl;Williams Lefebvre;Calin D. Marioara;Sigmund J. Andersen;Jesper Friis;Randi Holmestad;Ole Martin Løvvik;

Acta Materialia : 69, 126-134

Date de Publication : 05/2014


Strengthening mechanisms of T1 precipitates and their influence on the plasticity of an Al–Cu–Li alloy

Thomas Dorin;Frédéric De Geuser;Williams Lefebvre;Christophe Sigli;Alexis Deschamps;

Materials Science and Engineering: A : 605, 119-126

Date de Publication : 05/2014


Quantitative description of the T1formation kinetics in an Al–Cu–Li alloy using differential scanning calorimetry, small-angle X-ray scattering and transmission electron microscopy

Thomas Dorin;Alexis Deschamps;Frédéric De Geuser;Williams Lefebvre;Christophe Sigli;

Philosophical Magazine : 94 (10), 1012-1030

Date de Publication : 28/02/2014


Structural and Magnetic Evolution of Bimetallic MnAu Clusters Driven by Asymmetric Atomic Migration

Xiaohui Wei;Rulong Zhou;Williams Lefebvre;Kai He;Damien Le Roy;Ralph Skomski;Xingzhong Li;Jeffrey E. Shield;Matthew J. Kramer;Shuang Chen;Xiao Cheng Zeng;David J. Sellmyer;

Nano Letters : 14 (3), 1362-1368

Date de Publication : 21/02/2014


Tracking the path of dislocations across ordered Al3Zr nano-precipitates in three dimensions

W. Lefebvre;N. Masquelier;J. Houard;R. Patte;H. Zapolsky;

Scripta Materialia : 70, 43-46

Date de Publication : 01/2014


Reactivity and Microstructure of Al2O3-Reinforced Magnesium-Matrix Composites

Maher Mounib;Matteo Pavese;Claudio Badini;Williams Lefebvre;Hajo Dieringa;

Advances in Materials Science and Engineering : 2014, 1-6

Date de Publication : 2014


Precipitation Sequence in the Mg–Gd–Y System Investigated by HRTEM and HAADF-STEM

Yuuki Matsuoka;Kenji Matsuda;Katsumi Watanabe;Junya Nakamura;Williams Lefebvre;Daisuke Nakagawa;Seiji Saikawa;Susumu Ikeno;

MATERIALS TRANSACTIONS : 55 (7), 1051-1057

Date de Publication : 2014


Correlation of Microphotoluminescence Spectroscopy, Scanning Transmission Electron Microscopy, and Atom Probe Tomography on a Single Nano-object Containing an InGaN/GaN Multiquantum Well System

Lorenzo Rigutti;Ivan Blum;Deodatta Shinde;David Hernández-Maldonado;Williams Lefebvre;Jonathan Houard;François Vurpillot;Angela Vella;Maria Tchernycheva;Christophe Durand;Joël Eymery;Bernard Deconihout;

Nano Letters : 14 (1), 107-114

Date de Publication : 18/12/2013


Aberration-corrected HAADF-STEM investigations of precipitate structures in Al–Mg–Si alloys with low Cu additions

Takeshi Saito;Calin D. Marioara;Sigmund J. Andersen;Williams Lefebvre;Randi Holmestad;

Philosophical Magazine : 94 (5), 520-531

Date de Publication : 06/11/2013


Investigation of the magnetic properties of FeAu nanoclusters in a W matrix: Evidence for exchange-bias phenomenon

E. Folcke;J. M. Le Breton;W. Lefebvre;J. Bran;R. Lardé;F. Golkar;J. E. Shield;

Journal of Applied Physics : 113 (18), 183903

Date de Publication : 14/05/2013


Atomic structure of hardening precipitates in an Al–Mg–Zn–Cu alloy determined by HAADF-STEM and first-principles calculations: relation to η-MgZn2

Calin D. Marioara;Williams Lefebvre;Sigmund J. Andersen;Jesper Friis;

Journal of Materials Science : 48 (10), 3638-3651

Date de Publication : 24/01/2013


Nano-precipitates made of atomic pillars revealed by single atom detection in a Mg-Nd alloy

W. Lefebvre;V. Kopp;C. Pareige;

Applied Physics Letters : 100 (14), 141906

Date de Publication : 02/04/2012


Experimental and modelling assessment of precipitation kinetics in an Al–Li–Mg alloy

A. Deschamps;C. Sigli;T. Mourey;F. de Geuser;W. Lefebvre;B. Davo;

Acta Materialia : 60 (5), 1917-1928

Date de Publication : 03/2012


Determination of the Mg-Rich Phase Boundary of the Binary Mg-Nd Phase Diagram by Means of Atom Probe Tomography

V. Kopp;W. Lefebvre;C. Pareige;

Journal of Phase Equilibria and Diffusion : 32 (4), 298-301

Date de Publication : 03/05/2011


Study of intergrown L and Q′ precipitates in Al–Mg–Si–Cu alloys

M. Torsæter;W. Lefebvre;C.D. Marioara;S.J. Andersen;J.C. Walmsley;R. Holmestad;

Scripta Materialia : 64 (9), 817-820

Date de Publication : 05/2011


Determination of matrix composition based on solute-solute nearest-neighbor distances in atom probe tomography

F. De Geuser;W. Lefebvre;

Microscopy Research and Technique : 74 (3), 257-263

Date de Publication : 24/02/2011

Application of Delaunay tessellation for the characterization of solute-rich clusters in atom probe tomography

W. Lefebvre;T. Philippe;F. Vurpillot;

Ultramicroscopy : 111 (3), 200-206

Date de Publication : 02/2011


The influence of composition and natural aging on clustering during preaging in Al–Mg–Si alloys

M. Torsæter;H. S. Hasting;W. Lefebvre;C. D. Marioara;J. C. Walmsley;S. J. Andersen;R. Holmestad;

Journal of Applied Physics : 108 (7), 073527

Date de Publication : 10/2010


Enhanced Strength and Ductility of Ultrafine-Grained Ti Processed by Severe Plastic Deformation

Irina Semenova;Gulnaz Salimgareeva;Gérald Da Costa;Williams Lefebvre;Ruslan Valiev;

Advanced Engineering Materials : 12 (8), 803-807

Date de Publication : 08/2010


Influence of alloy composition and heat treatment on precipitate composition in Al–Zn–Mg–Cu alloys

T. Marlaud;A. Deschamps;F. Bley;W. Lefebvre;B. Baroux;

Acta Materialia : 58 (1), 248-260

Date de Publication : 01/2010


Composition of β″ precipitates in Al–Mg–Si alloys by atom probe tomography and first principles calculations

Håkon S. Hasting;Anders G. Frøseth;Sigmund J. Andersen;Rene Vissers;John C. Walmsley;Calin D. Marioara;Frédéric Danoix;Williams Lefebvre;Randi Holmestad;

Journal of Applied Physics : 106 (12), 123527

Date de Publication : 15/12/2009


Clustering and nearest neighbour distances in atom-probe tomography

T. Philippe;F. De Geuser;S. Duguay;W. Lefebvre;O. Cojocaru-Mirédin;G. Da Costa;D. Blavette;

Ultramicroscopy : 109 (10), 1304-1309

Date de Publication : 09/2009


Complementary use of transmission electron microscopy and atom probe tomography for the investigation of steels nanostructured by severe plastic deformation

X. Sauvage;W. Lefebvre;C. Genevois;S. Ohsaki;K. Hono;

Scripta Materialia : 60 (12), 1056-1061

Date de Publication : 06/2009


Precipitation kinetic of Al3(Sc,Zr) dispersoids in aluminium

W. Lefebvre;F. Danoix;H. Hallem;B. Forbord;A. Bostel;K. Marthinsen;

Journal of Alloys and Compounds : 470 (1-2), 107-110

Date de Publication : 02/2009


Nanocrystallized Al92Sm8 Amorphous Alloy Investigated by High-Resolution Microscopy and 3D Atom-Probe Analysis

T. Gloriant;F. Danoix;W. Lefebvre;A. L. Greer;

Advanced Engineering Materials : 9 (3), 151-155

Date de Publication : 03/2007


An improved reconstruction procedure for the correction of local magnification effects in three-dimensional atom-probe

F. De Geuser;W. Lefebvre;F. Danoix;F. Vurpillot;B. Forbord;D. Blavette;

Surface and Interface Analysis : 39 (2-3), 268-272

Date de Publication : 2007


3DAP measurements of Al content in different types of precipitates in aluminium alloys

W. Lefebvre;F. Danoix;G. Da Costa;F. De Geuser;H. Hallem;A. Deschamps;M. Dumont;

Surface and Interface Analysis : 39 (2-3), 206-212

Date de Publication : 2007


Comparative study of the β″-phase in a 6xxx Al alloy by 3DAP and HRTEM

H. K. Hasting;W. Lefebvre;C. Marioara;J. C. Walmsley;S. Andersen;R. Holmestad;F. Danoix;

Surface and Interface Analysis : 39 (2-3), 189-194

Date de Publication : 2007


Atom Probe Tomography II. The Precipitation in Al Base Alloys

F. De Geuser;W. Lefebvre;P. Auger;F. Danoix;A. Bigot;D. Blavette;

Advanced Engineering Materials : 8 (12), 1206-1209

Date de Publication : 12/2006


Role of Niobium in the nanocrystallization of a Fe73.5Si13.5B9Nb3Cu alloy

W. Lefebvre;S. Morin-Grognet;F. Danoix;

Journal of Magnetism and Magnetic Materials : 301 (2), 343-351

Date de Publication : 06/2006


Complex precipitation pathways in multicomponent alloys

Emmanuel Clouet;Ludovic Laé;Thierry Épicier;Williams Lefebvre;Maylise Nastar;Alexis Deschamps;

Nature Materials : 5 (6), 482-488

Date de Publication : 21/05/2006


Rapid precipitation of dispersoids during extrusion of an Al–0.91wt.% Mn–0.13wt.% Zr–0.17wt.% Sc-alloy

B. Forbord;L. Auran;W. Lefebvre;H. Hallem;K. Marthinsen;

Materials Science and Engineering: A : 424 (1-2), 174-180

Date de Publication : 05/2006


The formation of Al3(ScxZryHf1−x−y)-dispersoids in aluminium alloys

H. Hallem;W. Lefebvre;B. Forbord;F. Danoix;K. Marthinsen;

Materials Science and Engineering: A : 421 (1-2), 154-160

Date de Publication : 04/2006


3D atom probe study of solute atoms clustering during natural ageing and pre-ageing of an Al-Mg-Si alloy

F. De Geuser;W. Lefebvre;D. Blavette;

Philosophical Magazine Letters : 86 (4), 227-234

Date de Publication : 04/2006


Characterisation of the composition and volume fraction of η′ and η precipitates in an Al–Zn–Mg alloy by a combination of atom probe, small-angle X-ray scattering and transmission electron microscopy

M. Dumont;W. Lefebvre;B. Doisneau-Cottignies;A. Deschamps;

Acta Materialia : 53 (10), 2881-2892

Date de Publication : 06/2005


Three dimensional atom probe investigation on the formation of Al3(Sc,Zr)-dispersoids in aluminium alloys

B. Forbord;W. Lefebvre;F. Danoix;H. Hallem;K. Marthinsen;

Scripta Materialia : 51 (4), 333-337

Date de Publication : 08/2004


Influence of oxygen on phase transformations in a Ti-48 At. pct Al alloy

Williams Lefebvre;Alain Menand;Annick Loiseau;

Metallurgical and Materials Transactions A : 34 (10), 2067-2075

Date de Publication : 10/2003


Field evaporation behaviour in the γ phase in Ti–Al during analysis in the tomographic atom probe

W Lefebvre;A Loiseau;A Menand;

Ultramicroscopy : 92 (2), 77-87

Date de Publication : 07/2002


Influence of oxygen on the α → γ massive transformation in a Ti-48 at.% Al alloy

W. Lefebvre;A. Loiseau;M. Thomas;A. Menand;

Philosophical Magazine A : 82 (11), 2341-2355

Date de Publication : 07/2002


Atom probe study of phase transformations in a Ti–48 at.% Al alloy

W Lefebvre;A Menand;A Loiseau;D Blavette;

Materials Science and Engineering: A : 327 (1), 40-46

Date de Publication : 04/2002