Joined October 2021
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📢 Paper code release 📃💻 After 2 years of work, I'm excited to announce our newest paper, MatterGen, has been published in Nature! nature.com/articles/s41586-0…

Microsoft researchers introduce MatterGen, a model that can discover new materials tailored to specific needs—like efficient solar cells or CO2 recycling—advancing progress beyond trial-and-error experiments. msft.it/6012U8zX8
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Join us at @MSFTResearch AI for science and work on exciting Materials Design challenges! This is a 2-year Machine Learning post-doc position within the team. Location: Cambridge (UK), Berlin (DE), or Amsterdam (NL). Link in comments below 👇
Our team at @MSFTResearch is looking for a 2y ML post-doc to re-think materials design using AI. This is an exceptional opportunity to join our ambitious mission of solving some of the most pressing challenges that exist today. #ai4science #materials ⬇️See link below ⬇️
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Claudio Zeni retweeted
Our team at @MSFTResearch is looking for a 2y ML post-doc to re-think materials design using AI. This is an exceptional opportunity to join our ambitious mission of solving some of the most pressing challenges that exist today. #ai4science #materials ⬇️See link below ⬇️
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MatterSim now faster than ever, and with LAMMPS support for your multi-GPU simulations
Replying to @rpinsler
⚡️ Faster simulation: We have accelerated MatterSim-v1 model inference by 3-5x and integrated it with the LAMMPS software package, enabling large-scale simulations across multiple GPUs. (4/6)
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Claudio Zeni retweeted
Excited to announce major #MatterSim updates! 👩‍🔬 Experimentally synthesized high thermal conductor identified by MatterSim ⚡️ 3-5x inference speed-up 💪 MatterSim-MT: a new multi-task foundation model for in silico materials characterization ⬇️ Details below (1/6)
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Claudio Zeni retweeted
MatterSim is expanding what AI can do for materials science—from faster large-scale simulations to MatterSim-MT, a new multi-task model for simulating properties beyond potential energy surfaces alone. msft.it/6017vPamT
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Claudio Zeni retweeted
I'm thrilled that the new #deeplearning #DFT Skala-1.1 functional is out! arxiv.org/abs/2506.14665 Skala-1.1 breaks the longstanding accuracy-to-cost trade-off of Jacob's Ladder. Amazing collaboration with @paolagorigiorgi and the entire @MSFTResearch AI4Science team! #CompChem
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Claudio Zeni retweeted
The latest release of Skala is out! Accuracy largely improved beyond hybrids at semilocal cost! #compchem
Today we're sharing a major Skala update: new paper and model release. Skala is a deep-learned XC functional for DFT: 2.8 kcal/mol on GMTKN55, wins 32/55 subsets & surpasses SOTA hybrids in accuracy at semi-local cost. Paper: arxiv.org/abs/2506.14665 Code: github.com/microsoft/skala
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Claudio Zeni retweeted
Exciting new update of Skala. This table should speak for itself: Skala is now the leading density functional in main-group chemistry surpassing previous SOTA hybrid functional at a cheaper, semi-local cost. #compchem #ai4science
Today we're sharing a major Skala update: new paper and model release. Skala is a deep-learned XC functional for DFT: 2.8 kcal/mol on GMTKN55, wins 32/55 subsets & surpasses SOTA hybrids in accuracy at semi-local cost. Paper: arxiv.org/abs/2506.14665 Code: github.com/microsoft/skala
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Claudio Zeni retweeted
Today we're sharing a major Skala update: new paper and model release. Skala is a deep-learned XC functional for DFT: 2.8 kcal/mol on GMTKN55, wins 32/55 subsets & surpasses SOTA hybrids in accuracy at semi-local cost. Paper: arxiv.org/abs/2506.14665 Code: github.com/microsoft/skala
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If you are interested in AI, materials science, and working on hard problems with an amazing team, this is the place for you.
We are significantly expanding to accelerate our ambitious plans for AI-driven materials discovery at @MSFTResearch AI for Science. Looking for a Data Engineer, ML Engineer and Applied Scientist (UK/NL/DE). ⬇️See job postings below ⬇️
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Claudio Zeni retweeted
We are significantly expanding to accelerate our ambitious plans for AI-driven materials discovery at @MSFTResearch AI for Science. Looking for a Data Engineer, ML Engineer and Applied Scientist (UK/NL/DE). ⬇️See job postings below ⬇️
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Claudio Zeni retweeted
Interested in ML for (natural) science (specifically generative models, RL, geometric DL)? We are hiring researchers, no chemistry background required! Please reach out! apply.careers.microsoft.com/…
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Claudio Zeni retweeted
Come join us to push the frontier of AI for biomolecular dynamics and function. A few days left to apply. @MSFTResearch AI for Science Cambridge or Berlin. Researchers: aka.ms/bioemu-ml Software ML Engineers: aka.ms/bioemu-eng #MachineLearning #AI #Biology
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Claudio Zeni retweeted
Skala community edition update: GPU4PySCF support is in ✅ That means Skala can plug into GPU-accelerated PySCF DFT workflows via GPU4PySCF (API-compatible with PySCF). Install docs are in the repo README: github.com/microsoft/skala #DFT #PySCF #GPU #GPU4PySCF #CompChem
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Claudio Zeni retweeted
#MachineLearning researchers: Join us at @MSFTResearch #ArtificialInteligence for Science to push the frontier of AI for molecular Biology or AI for Chemistry. Work with @marwinsegler or my team in Berlin, Cambridge or Amsterdam. apply.careers.microsoft.com/…
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Claudio Zeni retweeted
📢 Hiring into three new roles in our team at MSR AI for Science, working on deep learning for DFT! 💼 I'll be at #NeurIPS in San Diego, so please reach out if interested! 👇🏻
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Claudio Zeni retweeted
17 Oct 2025
MLFFs 🤝 Polymers — SimPoly works! Our team at @MSFTResearch AI for Science is proud to present SimPoly (SIM-puh-lee) — a deep learning solution for polymer simulation. Polymeric materials are foundational to modern life—found in everything from the clothes we wear and the food we consume to high-performance materials in aerospace, electronics, and medicine. Today, we introduce a new way to simulate them. We built a machine learning force field (MLFF) to predict macroscopic properties across a broad range of polymers—trained only on quantum-chemical data, with no experimental fitting. Specifically, we accurately compute polymer densities via large-scale MD simulations, achieving higher accuracy than classical force fields. We also capture second-order phase transitions, enabling prediction of glass transition temperatures. These two properties are fundamental to processing and application design. Finally, we created a benchmark based on experimental data for 130 polymers plus an accompanying quantum-chemical dataset—laying the foundation for a fully in silico design pipeline for next-generation polymeric materials. The incredible team: Jean Helie, @temporaer, Yicheng Chen, Guillem Simeon, @a_kzna, @ErnestoCheco, @erunzzz, Gabriele Tocci, @chc273, @yatao_li, @SherryLixueC, @zunwang_msr, Bichlien H. Nguyen, Jake A. Smith, and Lixin Sun. 📄 Preprint: arxiv.org/abs/2510.13696 ⚙️ Data and code release: in progress⏳ #MLFFs #Polymers #AIforScience #DeepLearning #SimPoly #ScientificML #Microsoft #MicrosoftResearch #MicrosoftQuantum
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