Rémy Pawlak's Avatar

Rémy Pawlak

@pawlakremy.bsky.social

Senior scientist at @unibas.ch (@nanolino-unibas.bsky.social) probing atoms and molecules | Physics, on surface chemistry, quantum materials and scanning probe microscopy | https://remypawlak.com/

193 Followers  |  324 Following  |  21 Posts  |  Joined: 10.12.2024  |  2.2167

Latest posts by pawlakremy.bsky.social on Bluesky

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Supplementary cover for @acs.org about a 2D spin lattice on superconducting Pb! A potential platform for an organic topological superconductivity

🔗 lnkd.in/epS7wGmg
🔗 molq.physik.unibas.ch/en/

@siemens-ring.bsky.social, @snsf.ch, @nanoscience.ch, @unibas.ch, @erc.europa.eu

28.10.2025 11:23 — 👍 2    🔁 0    💬 0    📌 0
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Toward Gate-Tunable Topological Superconductivity in a Supramolecular Electron Spin Lattice Low-dimensional magnet/superconductor hybrid systems have been proposed as a platform for achieving topological superconductivity. Here we showcase the supramolecular assembly of organic radicals dire...

Our new paper in @pubs.acs.org! 🎉 Organic radicals assembled on Pb(111) showing charge-state control with the STM, YSR states and edge modes! Organic topological superconductivity incoming?
doi.org/10.1021/acs....
@siemens-ring.bsky.social @snsf.ch @nanoscience.ch @unibas.ch #QuantumPhysics #STM

10.10.2025 10:02 — 👍 3    🔁 0    💬 1    📌 0
Assembly of molecules on a blue/grey background. Electric spark emanating from the top centre of the image.

Assembly of molecules on a blue/grey background. Electric spark emanating from the top centre of the image.

Check out the inside front cover of Issue 10 of Nanoscale Horizons!

In this work, Shi-Xia Liu, Rémy Pawlak and co-workers, reported a gate-tunable electron spin superlattice via supramolecular assembly of tetraazapyrene radicals on Pb(111). Read more here 👇

doi.org/10.1039/D5NH...

25.09.2025 14:00 — 👍 2    🔁 1    💬 0    📌 0
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Happy to share the cover for Nanoscale Horizons @rsc-cnn.bsky.social about the discharge of anionic TBTAP (doi.org/10.1039/D5NH...)!

Stay tuned for more at molq.physik.unibas.ch/en/

@unibas.ch, @unibe.ch, @siemens-ring.bsky.social, @snsf.ch, @nanoscience.ch, @erc.europa.eu, @blender.org

25.09.2025 08:14 — 👍 6    🔁 3    💬 0    📌 0
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Discharge and electron correlation of radical molecules in a supramolecular assembly on superconducting Pb(111) Precise control over the charge-state of radical molecules on surfaces is essential for engineering correlated electronic states in nanoscale architectures. Here, we demonstrate the supramolecular ass...

In @nanoscale-journals.rsc.org, we show the control discharge using STM/AFM of tetrazapyrene radicals on Pb(111).
pubs.rsc.org/en/content/a... @siemens-ring.bsky.social, @snsf.ch, @erc.europa.eu, @nanoscience.ch, @unibas.ch @nanolino-unibas.bsky.social @unibe.ch @uliaschauer.bsky.social

29.08.2025 13:56 — 👍 7    🔁 3    💬 0    📌 0
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It is always a great pleasure to be part of the non-contact atomic force microscopy conference! This year in Toyama, Japan! Program here www.nims.go.jp/group/Nanopr...

05.08.2025 05:08 — 👍 1    🔁 0    💬 1    📌 0

👏

25.07.2025 14:02 — 👍 0    🔁 0    💬 0    📌 0
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Ending a great week at the 21th International Conference on Diffusion in Solids and Liquids (www.dsl-conference.com) in Napoli. Not only enjoying talks but also some Maradona spirit...

29.06.2025 19:19 — 👍 2    🔁 0    💬 0    📌 0
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Deligthed to be part of the PRIOSS Symposium organized by Dr D. Ebeling and Prof. A. Schirmeisen about the principles of On-Surface Synthesis. What a beautiful place!

www.uni-giessen.de/de/forschung...

22.05.2025 09:43 — 👍 3    🔁 0    💬 0    📌 0
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Observation of edge and bulk states in a three-site Kitaev chain - Nature An artificial Kitaev chain is realized by engineering three coupled quantum dots in a two-dimensional electron gas, which enables the manipulation and observation of both the edge and bulk states.

www.nature.com/articles/s41...

01.05.2025 18:58 — 👍 5    🔁 0    💬 0    📌 0
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On-Surface Synthesis and Cryogenic Exfoliation of Sterically Frustrated Atropisomers On-surface synthesis provides exceptional control over nanostructure and material composition, enabling the creation of molecular compounds that are difficult or impossible to obtain with other synthe...

In @acsnano we show the synthesis and lifting experiments of frustrated atropisomers using low temperature force spectroscopy and MD simulations.

Fundings: @nanolino-unibas.bsky.social
@snsf-ch.bsky.social, @sniunibas.bsky.social, @unibas.ch, @erc.europa.eu

pubs.acs.org/doi/10.1021/...

07.04.2025 07:17 — 👍 5    🔁 0    💬 0    📌 0

Very cool work!

12.03.2025 09:20 — 👍 1    🔁 0    💬 1    📌 0
we report the formation of a stable, surface-supported dinitrene achieved through the photolysis of a diazide precursor on an Au(111) metal substrate. We combine high-resolution scanning probe techniques with theoretical calculations, providing the first real-space imaging of a metal nitrene adsorbed on a surface and exploring the associated photoreaction mechanism.

we report the formation of a stable, surface-supported dinitrene achieved through the photolysis of a diazide precursor on an Au(111) metal substrate. We combine high-resolution scanning probe techniques with theoretical calculations, providing the first real-space imaging of a metal nitrene adsorbed on a surface and exploring the associated photoreaction mechanism.

📢 Bringing to light a new surface reaction💡

We imaged a stable, surface-supported nitrene synthesized through azide photolysis on Au(111) ⚡

with @grilllab.bsky.social

Read more on @angewandtechemie.bsky.social 🔗 onlinelibrary.wiley.com/doi/full/10....

11.03.2025 13:18 — 👍 12    🔁 4    💬 1    📌 1
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New WSS research center for molecular quantum systems The University of Basel and the University of Bern are setting up a new research center to enable the construction of superconducting quantum units. The Werner Siemens Foundation is supporting the pro...

Thanks to the Werner Siemens-Stiftung to support the WSS Research Center for Molecular Quantum Systems (molQ) targeting the construction of superconducting quantum units with molecules on superconductors. @nanolino-unibas.bsky.social @unibas.ch @unibern.bsky.social

www.unibas.ch/en/News-Even...

04.03.2025 11:14 — 👍 5    🔁 1    💬 0    📌 0
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Deslocalización de electrones en un aislante Mott 2D: un fenómeno inesperado en la física de materiales Investigadores han demostrado que los electrones en un aislante Mott 2D pueden deslocalizarse a temperaturas ultrabajas, formando una red de Kondo coherente. Este hallazgo desafía la comprensión actua...

Deslocalización de electrones en un aislante Mott 2D: un fenómeno inesperado en la física de materiales www.muyinteresante.com/fundacion/ca...

20.02.2025 22:47 — 👍 7    🔁 2    💬 0    📌 0
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Building spin-1/2 antiferromagnetic Heisenberg chains with diaza-nanographenes - Nature Synthesis Graphene nanostructures with π magnetism offer a chemically tunable platform to explore correlated magnetic interactions. Here, the on-surface synthesis of spin-1/2 antiferromagnetic Heisenberg chains...

Now online:

Article by X Fu, L Huang, K Liu, J Ma, J Fernández-Rossier & co-workers

Building spin-1/2 antiferromagnetic Heisenberg chains with diaza-nanographenes

www.nature.com/articles/s44... ($)
#ChemSky

21.02.2025 12:33 — 👍 18    🔁 5    💬 0    📌 0
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Microsoft creates chip it says shows quantum computers are 'years, not decades' away Microsoft on Wednesday unveiled a new chip that it said showed quantum computing is "years, not decades" away, joining Google and IBM in predicting that a fundamental change in computing technology is much closer than recently believed.

Amazed at how the major technology companies are competing these last months to design qubits on completely different platforms.

Paper here: www.nature.com/articles/s41...

www.reuters.com/technology/m...

20.02.2025 13:19 — 👍 1    🔁 0    💬 1    📌 0
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Nice week in Lapland for the conference "Towards Rationality in 2D Nanomaterials" enjoying wonderful talks and beautiful aurora borealis. Thanks to the perfect organization by @liljeroth.bsky.social group! @nanolino-unibas.bsky.social @unibas.ch #quantum #stm #afm #nano

14.02.2025 10:39 — 👍 5    🔁 0    💬 0    📌 0
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So happy to get our supplementary cover art accepted for our manuscript in @acs.org Nano!

Paper here: pubs.acs.org/doi/10.1021/...

#blender #quantum #STM #AFM #science @snsf-ch.bsky.social @sniunibas.bsky.social @unibas.ch @nanolino-unibas.bsky.social

04.02.2025 11:24 — 👍 9    🔁 0    💬 0    📌 0
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James Fraser Stoddart obituary: chemist and nanotechnology pioneer who built molecular machines An early love of construction toys led the Scottish chemist to thread molecules together, opening up a new field of chemistry.

Obituary: James Fraser Stoddart (1942-2024) chemist and nanotechnology pioneer who built molecular machines

https://go.nature.com/40MvkI9

28.01.2025 14:11 — 👍 167    🔁 45    💬 1    📌 8
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OMB memo tonight “Temporary Pause of Agency Grant, Loan, and Other Financial Assistance”

28.01.2025 02:46 — 👍 21    🔁 25    💬 3    📌 7
Scientist doing botanical field research in Estonia. Stock photo.

Scientist doing botanical field research in Estonia. Stock photo.

The early-career success of academic researchers is better predicted by their publication record during their postdoctoral years than by where they obtained their PhD, according to a study of 45,572 academic careers worldwide. In PNAS: www.pnas.org/doi/10.1073/...

27.01.2025 21:01 — 👍 79    🔁 32    💬 1    📌 6
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Bluesky’s science takeover: 70% of Nature poll respondents use platform Roughly 6,000 readers answered our poll, with many declaring that Bluesky was nicer, kinder and less antagonistic to science than X.

Roughly 6,000 readers answered our poll, with many declaring that Bluesky was nicer, kinder and less antagonistic to science than X

https://go.nature.com/42tH8Ai

24.01.2025 11:52 — 👍 5321    🔁 1154    💬 56    📌 140
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New paper in @acs.org ACS Nano about radical molecules on Pb! We show YSR in-gap states of the radical molecules in dimers and chains. @snsf-ch.bsky.social @ercresearch.bsky.social @nanolino-unibas.bsky.social @unibas.ch @siemens-ring.bsky.social

OA manuscript here:
pubs.acs.org/doi/10.1021/...

23.01.2025 10:49 — 👍 1    🔁 0    💬 0    📌 0
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On-Surface Synthesis and Characterization of Radical Spins in Kagome Graphene Flat bands in Kagome graphene might host strong electron correlations and frustrated magnetism upon electronic doping. However, the porous nature of Kagome graphene opens a semiconducting gap due to q...

pubs.acs.org/doi/10.1021/...

13.01.2025 12:06 — 👍 1    🔁 0    💬 0    📌 0

In @acs.this Nano this week, we show the "On-Surface Synthesis and Characterization of Radical Spins in Kagome" using atomic hydrogen. The work in collaboration with @polymtl.bsky.social is supported by @snsf-ch.bsky.social @SNI @unibas.ch

13.01.2025 12:06 — 👍 2    🔁 0    💬 1    📌 0
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Spin Excitations of High Spin Iron(II) in Metal–Organic Chains on Metal and Superconductor A spin chain is formed with metal–organic frameworks on surfaces of Ag(111) and Pb(111). Tunneling spectroscopy shows spin-flip excitations from high spin Fe(II) as well as a long-range spin–spin cou....

Congratulations to Jung-Ching Liu for the great work "Spin Excitations of High Spin Iron(II) in Metal–Organic Chains on Superconductor" accepted in Adv. Sci. And Merry Christmas to all! @snsf-ch.bsky.social @unibas.ch @NanolinoBasel onlinelibrary.wiley.com/doi/10.1002/...

25.12.2024 09:40 — 👍 1    🔁 0    💬 0    📌 0
Post image 17.12.2024 15:48 — 👍 1    🔁 0    💬 0    📌 0

Back to my roots! I'm delighted to have given a seminar about the @unibas.ch research in the laboratory where I did my doctorate a long time ago... @cnrs.bsky.social @unibas.ch @snsf-ch.bsky.social @unibas.ch #quantum #spm #stm #spins

17.12.2024 15:47 — 👍 0    🔁 0    💬 1    📌 0

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