Publications

2026

Exchange-mediated spin–electric control of single molecules on surfaces

P. Greule, W. Huang, M. Stark, K. H. Au-Yeung, J. Schwenk, J. Reina-Gálvez, C. Sürgers, W. Wernsdorfer, C. Wolf, P. Willke

Nature Physics (2026)

Journal ↗ arXiv ↗

Electrical Spin Pumping in Exchange-coupled Molecules

P. Greule, W. Huang, K. H. Au-Yeung, M. Stark, J. Schwenk, C. Sürgers, W. Wernsdorfer, P. Willke

arXiv (2026)

arXiv ↗

On the interpretation of Hahn echo measurements in electron spin resonance scanning tunneling microscopy

P. Greule, W. Huang, M. Stark, K. H. Au-Yeung, C. Wolf, S.-H. Phark, A. J. Heinrich, P. Willke

arXiv (2026)

arXiv ↗

Atomic-Scale Quantum Control of Single Spin Defects in a Two-Dimensional Semiconductor

K. H. Au-Yeung, W. Huang, J. Matusche, P. Greule, J. Arnold, L. Hardeweg, M. Stark, L. Renz, S. Safeer, T. Jansen, T. Michely, J. Fischer, W. Wernsdorfer, C. Sürgers, H.-P. Komsa, J. Schwenk, W. Jolie, P. Willke

arXiv (2026)

arXiv ↗

2025

Roadmap on atomically-engineered quantum platforms

S. Phark, B. Weber, Y. Yoshida, et al. (incl. W. Huang, K. H. Au-Yeung, P. Willke, A. J. Heinrich)

Nano Futures 9, 032001 (2025)

Journal ↗ arXiv ↗

An electrically controlled single molecule spin switch

W. Huang, K. H. Au-Yeung, P. Greule, M. Stark, C. Sürgers, W. Wernsdorfer, R. Robles, N. Lorente, P. Willke

Nature Communications 16, 8242 (2025)

Journal ↗ arXiv ↗

Quantum Spin-Engineering in On-Surface Molecular Ferrimagnets

W. Huang, M. Stark, P. Greule, K. H. Au-Yeung, D. Sostina, J. Reina-Gálvez, C. Sürgers, W. Wernsdorfer, C. Wolf, P. Willke

Nature Communications 16, 5208 (2025)

Journal ↗ arXiv ↗

Probing Magnetism in Self-Assembled Organometallic Complexes Using Kondo Spectroscopy

W. Huang, P. Greule, M. Stark, J. van Slageren, C. Sürgers, W. Wernsdorfer, G. Sangiovanni, C. Wolf, P. Willke

ACS Nano 19(1), 1190–1197 (2025)

Journal ↗ arXiv ↗

Single-shot readout of the nuclear spin of an on-surface atom

R. J. G. Stolte, E. Lee, M. Vennema, R. Broekhoven, X. Teng, A. M. Katan, L. M. Veldman, P. Willke, A. F. Otte

Nature Communications 16, 7785 (2025)

Journal ↗

2024

Coherent spin dynamics between electron and nucleus within a single atom

L. M. Veldman, E. W. Stolte, M. P. Canavan, R. Broekhoven, P. Willke, L. Farinacci, A. F. Otte

Nature Communications 15, 7951 (2024)

Journal ↗

2022

Electron spin resonance of single iron phthalocyanine molecules and role of their non-localized spins in magnetic interactions

X. Zhang, C. Wolf, Y. Wang, H. Aubin, T. Bilgeri, P. Willke, A. J. Heinrich, T. Choi

Nature Chemistry 14, 59–65 (2022)

Journal ↗

Experimental determination of a single atom ground state orbital through hyperfine anisotropy

L. Farinacci, L. M. Veldman, P. Willke, A. F. Otte

Nano Letters 22(21), 8470–8474 (2022)

Journal ↗ arXiv ↗

2021

Coherent Spin Control of Single Molecules on a Surface

P. Willke, T. Bilgeri, X. Zhang, Y. Wang, C. Wolf, H. Aubin, A. J. Heinrich, T. Choi

ACS Nano 15(11), 17959–17965 (2021)

Journal ↗

Engineering atomic-scale magnetic fields by dysprosium single atom magnets

A. Singha, P. Willke, T. Bilgeri, X. Zhang, H. Brune, F. Donati, A. J. Heinrich, T. Choi

Nature Communications 12, 4179 (2021)

Journal ↗

Probing resonating valence bond states in artificial quantum magnets

K. Yang, S.-H. Phark, Y. Bae, T. Esat, P. Willke, A. Ardavan, A. J. Heinrich, C. P. Lutz

Nature Communications 12, 993 (2021)

Journal ↗

2020

Probing Magnetism in Artificial Metal–Organic Complexes Using Electronic Spin Relaxometry

X. Zhang, P. Willke, A. Singha, C. Wolf, T. Esat, M. Choi, A. J. Heinrich, T. Choi

J. Phys. Chem. Lett. 11(14), 5618–5624 (2020)

Journal ↗

2019

Coherent spin manipulation of individual atoms on a surface

K. Yang, W. Paul, S.-H. Phark, P. Willke, Y. Bae, T. Choi, T. Esat, A. Ardavan, A. J. Heinrich, C. P. Lutz

Science 366, 509–512 (2019)

Journal ↗

Magnetic resonance imaging of single atoms on a surface

P. Willke, K. Yang, Y. Bae, A. J. Heinrich, C. P. Lutz

Nature Physics 15, 1005–1010 (2019)

Journal ↗ arXiv ↗

Tuning Single-Atom Electron Spin Resonance in a Vector Magnetic Field

P. Willke, A. Singha, T. Esat, C. P. Lutz, A. J. Heinrich, T. Choi

Nano Letters 19(11), 8201–8206 (2019)

Journal ↗

Tuning the Exchange Bias on a Single Atom from 1 mT to 10 T

K. Yang, W. Paul, F. D. Natterer, J. L. Lado, Y. Bae, P. Willke, T. Choi, A. Ferrón, J. Fernández-Rossier, A. J. Heinrich, C. P. Lutz

Phys. Rev. Lett. 122, 227203 (2019)

Journal ↗

2018

Hyperfine interaction of individual atoms on a surface

P. Willke, Y. Bae, K. Yang, J. L. Lado, A. Ferrón, T. Choi, A. Ardavan, J. Fernández-Rossier, A. J. Heinrich, C. P. Lutz

Science 362, 336–339 (2018)

Journal ↗

Electrically controlled nuclear polarization of individual atoms

K. Yang, P. Willke, Y. Bae, A. Ferrón, J. L. Lado, A. Ardavan, J. Fernández-Rossier, A. J. Heinrich, C. P. Lutz

Nature Nanotechnology 13, 1120–1125 (2018)

Journal ↗

Probing quantum coherence in single atom electron spin resonance

P. Willke, W. Paul, F. D. Natterer, K. Yang, Y. Bae, T. Choi, J. Fernández-Rossier, A. J. Heinrich, C. P. Lutz

Science Advances 4(2), eaaq1543 (2018)

Journal ↗

Enhanced quantum coherence in exchange coupled spins via singlet-triplet transitions

Y. Bae, K. Yang, P. Willke, T. Choi, A. J. Heinrich, C. P. Lutz

Science Advances 4(11), eaau4159 (2018)

Journal ↗

2017

Reading and writing single atom magnets

F. D. Natterer, K. Yang, W. Paul, P. Willke, T. Choi, T. Greber, A. J. Heinrich, C. P. Lutz

Nature 543, 226–228 (2017)

Journal ↗ arXiv ↗

Engineering the eigenstates of coupled spin-1/2 atoms on a surface

K. Yang, Y. Bae, W. Paul, F. D. Natterer, P. Willke, J. L. Lado, A. Ferrón, T. Choi, J. Fernández-Rossier, A. J. Heinrich, C. P. Lutz

Phys. Rev. Lett. 119, 227206 (2017)

Journal ↗

Atomic-scale magnetic dipolar sensor using electron spin resonance on surfaces

T. Choi, W. Paul, S. Rolf-Pissarczyk, A. J. Macdonald, F. D. Natterer, K. Yang, P. Willke, C. P. Lutz, A. J. Heinrich

Nature Nanotechnology 12, 420–424 (2017)

Journal ↗