Full Professor of Inorganic Chemistry Director, DTU Electron Crystallography Facility Technical University of Denmark
Joined March 2017
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🎉 Now in @NatureChemistry!
Tunable valence tautomerism in lanthanide-organic alloys
👉 nature.com/articles/s41557-0…
We report a complete, abrupt, hysteretic, and fully reversible valence change transition in a samarium-based coordination solid.
🧵Read more below👇
⏰ Deadline extended!
🧲 ECMM 2026 (Copenhagen 🇩🇰, Aug 17–20)
📄 Abstract submission now open until May 6
⚠️ Limited to ~200 participants
🔗 conferencemanager.dk/ecmm
✉️ [email protected]
Kasper S. Pedersen retweeted
Magnet with near-zero external field could reshape future electronics phys.org/news/2026-04-magnet…
⏰ Abstract Deadline Approaching: May 1 ⏰
🧲 10th European Conference on Molecular Magnetism - Copenhagen (Aug 17-20, 2026) 🇩🇰
📄 Submit your abstract and register here: conferencemanager.dk/ecmm
✉️ Questions? 👉 [email protected]
💫 Quantum Phenomena and Emergent Properties in MOFs ⚛️
is a symposium at the International Conference on Coordination Chemistry in 🇩🇰 this summer, organized by myself and Lars Öhrström.
🏃We welcome submissions for oral contributions by March 1 ⏰
iccc2026.com
🎓 Early Announcement:
The 10th European Conference on Molecular Magnetism (ECMM 2026) will be held in Copenhagen, Denmark — Aug 17–20, 2026.
Plenary & keynote talks + great opportunities for early-career researchers.
🌐 conferencemanager.dk/ecmm
#ECMMCopenhagen #MolecularMagnetism
🧪 Simplicity engineered for magnetism 🧲
📢 Preprint: Cr(pyrazine)₃ - maybe the simplest MOF with potential voids known. This perovskite analogue shows magnetic interactions rivaling the strongest known in inorganic materials, stabilizing magnetic order above RT.
🔗and🎥👇
Kasper S. Pedersen retweeted
Proposals for symposia for the next International Conference on Coordination Chemistry June 2026 can be submitted at iccc2026.com/
👋 We are excited to share an open PhD position in 4f/5f chemistry, with a focus on switchable materials, at the Technical University of Denmark!🧪🇩🇰
🔗 See more and apply here:
efzu.fa.em2.oraclecloud.com/…
📅 Deadline: May 30
📖 Find our recent work here: kasperpedersen.org/articles/
💡In short: By leveraging molecular alloying, we've discovered a novel mechanism to control valence changes in a layered metal-organic material. Specifically, by alloying aliovalent Cr(pyrazine)I2 and Cr(pyrazine)2Br2, we can switch between Cr(II) and Cr(III) states thermally,
dramatically altering the materials’ magnetization and electrical conductivity by up to five orders of magnitude. This work establishes a new paradigm in the manipulation of (metal-organicI van der Waals crystals, where molecular alloying can drive complete and
🎉 Just out in Chem!
"Molecular alloying drives valence change in a van der Waals antiferromagnet"
👉 See: cell.com/chem/abstract/S2451…
for materials synthesis, and lots of electron, (high-pressure) X-ray, and neutron diffraction and spectroscopy, magnetism and transport.
👋Our department at the Technical University of Denmark is looking for a Tenure Track Assistant/Associate Professor in *any* chemical discipline! 🧪🇩🇰
Check it out and feel free to get in touch 💬☕️
👇
efzu.fa.em2.oraclecloud.com/…
@Chemjobber
🎉 New sub-Kelvin cool paper out in @J_A_C_S ❄️❄️
"A Triangular Frustrated Eu(II)–Organic Framework for Sub-Kelvin Magnetic Refrigeration"
👉 pubs.acs.org/doi/10.1021/jac…
📣Join this group at @DTUtweet👇🇩🇰
We have an open 2-year postdoc position on MOFs with metallic cluster nodes. Excellent skills in synthetic chemistry and crystallography are key.
Read more and apply here: efzu.fa.em2.oraclecloud.com/…
Like many other, I am now also on @bluesky 🦋with the same handle: @kasperspedersen.bsky.social
