- Julien Lam's homepage

CECAM Advancing simulation, analysis and prediction of complex chemical systems using modern chemical graph theory and computational topology · Lausanne, Switzerland

Invited

Harvesting nucleating structures in first order transitions

CECAM Data-driven, low-dimensional, and generative models for molecular and materials discovery · Paris, France

Invited

Machine-learning pour modéliser la nucléation dans les nanoparticules

11ème atelier IRN Nanomateriaux Multifonctionnels Contrôlés · Montréal, Canada

Invited

2024

Exploiting linear models for transferability and long-range interactions

CECAM Machine Learning Interatomic Potentials and Accessible Databases · Grenoble, France

Invited

Also at

Workshop on Machine Learning Force Fields · Chicago, USAInvited

Machine Learning in Chemical and Materials Sciences · Online

Journées plénières GDR IAMAT · Toulouse, France

Atomistic simulations using machine-learning interaction potentials

Machine Learning for Micromechanics MecaNano COST · Leuven, Belgium

Invited

Probing nucleation mechanisms in nanoparticles from nanoalloys to nanoxide

Laboratoire de Physique de la Matière Condensée · Palaiseau, France

Invited by Thomas Philippe

Seminar

2023

Isolating crystal nucleation in nanoparticles using rare event sampling methods

International Meeting on Nanoalloys · Orléans, France

Probing nucleation mechanisms in nanoparticles from nanoalloys to nanoxide

Institute Charles Gerhardt · Montpellier, France

Invited by Hazar Guesmi

Seminar

Nucleation and growth in nanoparticles: Machine-learning assisted simulations

Institut d’électronique de microélectronique et de nanotechnologie · Lille, France

Invited by Dr. Bruno Grandidier

Seminar

2022

Nucléation et croissance des nanoparticules: Apport des simulations et du machine-learning

GDR Nanostructures Inorganiques par chimie en solution · Paris, France

Invited

Observing the birth of crystals through numerical simulations

CECAM “Machine Learning and Quantum Computing for Quantum Molecular Dynamics” · Online

Invited

Also at

CECAM “Atomistic simulations of interfacial processes in energy materials” · Paris, FranceInvited

GDR IAMAT · Paris, France

NanoX/Fermi days · Toulouse, France

Nucleation and growth in nanoparticles: Machine-learning assisted simulations

Laboratoire de Physique et Chimie des Nano-Objets · Toulouse, France

Invited by Dr. Simon Tricard

Seminar

Observing the birth of crystals through numerical simulations

Laboratoire de Physique des Lasers, Atomes et Molécules · Lille, France

Invited by Dr. Valérie Vallet

Seminar

2021

Out-of-equilibrium polymorph selection in nanoparticle freezing

CECAM “Multi-approach modeling of alloy nanoparticles” · Online

Also at

Modsim Conference series on Nanoalloys · Online

Zinc oxide crystallization modeled with machine-learning interatomic potential

CECAM “Local structure meets machine learning in soft matter systems” · Online

Invited

Observing the birth of crystals through numerical simulations

Laboratoire Ondes et Matière d’Aquitaine · Bordeaux, France

Invited by Dr. Antoine Aubret

Seminar

The Φ-LassoLars method for Machine-learning interaction potentials

Unité Matériaux et Transformations · Lille, France

Invited by Dr. Pierre Hirel

Seminar

Out-of-equilibrium polymorph selection in nanoparticle freezing

International Research Network NanoAlloys

J. Amodeo, F. Pietrucci, J. Lam

Poster

2020

Gold-Iron interactions in nanoparticles modeled by physically motivated machine-learning potential

Journées “Théorie, Modélisation et Simulations” · Online

Potentiel d’interaction par machine-learning: Approche linéaire et régression sous contrainte

CEA DAM · Bruyères-le-Châtel, France

Invited by Dr. Marc Torrent

Seminar

2019

Machine-learning force fields based on linearized potential

Progresses and challenges in modeling activated phenomena · Toulouse, France

Chaotic bottom-up synthesis of nanomaterials: Numerical simulations and Machine-learning force fields based on linearized potentials

Université du Luxembourg · Luxembourg

Invited by Pr. Alexander Tkatchenko

Seminar

Crystallization in nanopore, coarse-graining the solvent-mediated forces

Mainz Materials Simulation Days

J. Lam, P. Grosfils and J. F. Lutsko

Poster

2018

Crystallization in nanopore, coarse-graining the solvent-mediated forces

Réunion plénière du GdR ModMat · Paris, France

Also at

Atelier “Exploration du Paysage Energétique : Méthodes & Applications” · Toulouse, France

Role of surfaces and confinement in promoting exotic crystallization behaviors

Université Libre de Bruxelles · Brussels, Belgium

Invited by Pr. Benoit Scheid

Seminar

2017

Solute particle near a nanopore: influence of size and surface properties

Thermodynamic · Edinburgh, United Kingdom

Controlling nanocrystal polymorphism by means of droplet heterogeneous nucleation

Thermodynamic

J. Lam and J. F. Lutsko

Poster

2016

Plasma spectroscopy and first-principle calculations as tools to probe nucleation events

Université Aix-Marseille · Marseille, France

Invited by Dr. Jörg Hermann

Seminar

Glass formation and crystallization of phase change materials: A machine learning approach for the interaction potential

26th IUPAP International conference on Statistical Physics (StatPhys 2016)

J. Lam, D. P. Tew, F. Turci and C. P. Royal

Poster

2015

Nucleation of nanoparticles: a microscopic approach based on quantum thermochemistry

Modélisation des Matériaux (ModMat) · Lyon, France

Nucleation from atomistic to colloidal approaches

Université Pierre et Marie Curie · Paris, France

Invited by Dr. Jacek Goniakowski

Seminar

Laser Ablation in Liquid: towards the comprehension of the growth processes

Université Libre de Bruxelles · Brussels, Belgium

Invited by Dr. James Lutsko

Seminar

Also at

University of Bristol · Bristol, United Kingdom · Invited by Prof. Andrew Orr-Ewing

Universität Duisburg-Essen · Essen, Germany · Invited by Prof. Stephan Barcikowski

2014

On the use of Computational Chemistry to understand the Generation processes

EOS Conference on Advanced Nanoparticle Generation and Excitation by Lasers in Liquids · Matsuyama, Japan

Laser Ablation in Liquid: towards the comprehension of the growth processes

University of Kyoto · Kyoto, Japan

Invited by Prof. Tetsuo Sakka

Seminar

On the Local Thermodynamic Equilibrium: Discrepancy between the excitation temperature and the rotational temperature

8th International Conference on Laser Induced Breakdown Spectroscopy (LIBS 2014)

J. Lam, V. Motto-Ros, A-R. Allouche, C. Dujardin, G. Ledoux, D. Amans

Poster

On the use of Computational Chemistry to understand the Cluster Generation processes in Liquid

Journées LIBS France

J. Lam, A-R. Allouche, C. Dujardin, G. Ledoux, D. Amans

Poster

Challenges of Plasma Spectroscopy underwater: On the use of molecules and its consequences

EOS Conference on Advanced Nanoparticle Generation and Excitation by Lasers in Liquids (ANGEL 2014)

J. Lam, V. Motto-Ros, C. Dujardin, G. Ledoux, D. Amans

Poster

2013

Spectroscopy during Laser Ablation in Liquid: A tool to understand the Growth Process

European Mediterranean Symposium on Laser Induced Breakdown Spectroscopy · Bari, Italy

Plasma Spectroscopy during Laser Ablation in Liquid: A tool to understand the Growth Process

Conference On Laser Ablation (COLA 2013)

J. Lam, A-R. Allouche, F. Chaput, M. Diouf, C. Dujardin, G. Ledoux, N. Mary, K. Masenelli-Varlot, V. Motto-Ros, and David Amans

Best poster