Featured Publications
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High-sensitivity multichannel zero-to-ultralow field NMR with atomic magnetometer arrays
B. Andrews, et al. PNAS Nexus 4, 6 (2025)
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Enhanced Reactivity at the Oil-Water Interface Accelerates the Synthesis of Zymonic Acid in Microemulsions
B. Wallace, et al. Chem. Sci. (in press) (2025).
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Experimental observation of a time rondeau crystal: Temporal Disorder in Spatiotemporal Order
L. Moon, et al. Nature Physics (in press) (2025)
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Nanoscale engineering and dynamical stabilization of mesoscopic spin textures
K. Harkins, et al. Science Advances 11, 13, eadn9021 (2025)
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Room-temperature quantum sensing with photoexcited triplet electrons in organic crystals
H. Singh, et al. Phys. Rev. Research 7, 013192 (2025)
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Complex 3-dimensional microscale structures for quantum sensing applications
B. Blankenship, et al. Nano. Lett. 23, 9272 (2023)
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High-Field Magnetometry with Hyperpolarized Nuclear Spins
O, Sahin, et al. Nature Comm 13, 5486 (2022)
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Electron induced nanoscale nuclear spin relaxation probed by hyperpolarization injection
W. Beatrez, et al. Phys. Rev. Lett. 131, 010802 (2023)
Our Work Has Been Featured In
68. High-Speed, High-Memory NMR Spectrometer and Hyperpolarizer
L. J. I. Moon†, W. Beatrez†, J. Ball, J. Mercade, M. Elo, A. Singh, E. Druga, A. Ajoy [PDF]
Journal of Magnetic Resonance (in press) (2025).
61. Experimental observation of a time rondeau crystal: Temporal Disorder in Spatiotemporal Order
L. J. I. Moon†, P. M. Schindler†, Y. Sun, E. Druga, J. Knolle, R. Moessner, H. Zhao, M. Bukov, A. Ajoy [PDF]
arXiv:2404.05620 — Nature Physics (in press) (2025)
59. Nanoscale engineering and dynamical stabilization of mesoscopic spin textures
K. Harkins†, C. Fleckenstein†, N. D'Souza†, P. M. Schindler†, D. Marchiori†, C. Artiaco, Q. Reynard-Feytis, U. Basumallick, W. Beatrez, A. Pillai, M. Hagn, A. Nayak, S. Breuer, X. Lv, M. McAllister, P. Reshetikhin, E. Druga, M. Bukov, A. Ajoy [PDF][SI]
arXiv:2310.05635 — Science Advances 11, 13, eadn9021 (2025)
52. Discrete Time Crystal Sensing with Nuclear Spins in Diamond
L. J. I. Moon†, P. M. Schindler†, R. J. Smith†, E. Druga, Z. R. Zhang, M. Bukov, A. Ajoy [PDF]
arXiv:2410.05625
49. Electron-to-nuclear spectral mapping via "Galton board" dynamic nuclear polarization
A. Pillai, M. Elanchezhian, T. Virtanen, S. Conti, A. Ajoy* [PDF]
arXiv:2110.06826 — J. Chem. Phys. 159, 154201 (2023)
Selected as the Journal Cover Article in J. Chem. Phys.
Selected as the Editors' Featured Article in J. Chem. Phys.
47. Electron induced nanoscale nuclear spin relaxation probed by hyperpolarization injection
W. Beatrez, A. Pillai, O. Janes, D. Suter, A. Ajoy* [PDF] [SI]
arXiv:2207.02827 — Phys. Rev. Lett. 131,010802 (2023).
Watch nuclear spins directly probing proximal electron relaxation: [Video 1] , [Video 2] , [Video 3] .
45. Critical prethermal discrete time crystal created by two-frequency driving
W. Beatrez†, C. Fleckenstein†, A. Pillai, E. Sanchez, A. Akkiraju, J. Alcala, S. Conti, P. Reshetikhin, E. Druga, M. Bukov*, A. Ajoy* [PDF]
arXiv:2201.02162 — Nature Physics 19, 407 (2023)
Watch the formation and melting of a time-crystal: [Video 1] , [Video 2] , [Video 3] .
44. Rapidly enhanced spin polarization injection in an optically pumped spin ratchet
A. Sarkar, B. Blankenship, E. Druga, A. Pillai, R. Nirodi, S. Singh, A. Oddo, P. Reshetikhin, A. Ajoy* [PDF] [SI]
arXiv:2112.07223 — Phys. Rev. Applied 18, 034079 (2022).
39. Floquet prethermalization with lifetime exceeding 90s in a bulk hyperpolarized solid
W. Beatrez, O. Janes, A. Akkiraju, A. Pillai, A. Oddo, P. Reshetikhin, E. Druga, M. McAllister, M. Elo, B. Gilbert, D. Suter, A. Ajoy* [PDF]
arXiv:2104.01988 -- Phys. Rev. Lett. 127, 170603 (2021).
Selected as Editors Suggestion by PRL
Spotlighted by Physics at PRL: Delaying Thermalization in a Periodically Driven System
Spotlighted in Nature Physics: Keep the spins spinning
38. "Galton board" nuclear hyperpolarization
M. Elanchezhian, A. Pillai, T. Virtanen, A. Ajoy* [PDF]
arXiv:2110.05742
37. Low-field microwave-mediated optical hyperpolarization in optically pumped diamond
A. Ajoy, A. Sarkar, E. Druga, P. Zangara, D. Pagliero, C. A. Meriles, and J. A. Reimer [PDF]
Journal of Magnetic Resonance 331, 107021 (2021).