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Tunable critical correlations in kagome ice
Turrini, A. A., Harman-Clarke, A., Haeseler, G., Fennell, T., Wood, I. G., Henelius, P., … Holdsworth, P. C. W. (2022). Tunable critical correlations in kagome ice. Physical Review B, 105(9), 094403 (21 pp.). https://doi.org/10.1103/PhysRevB.105.094403
Magnetic-field control of magnetoelastic coupling in the rare-earth pyrochlore Tb<sub>2</sub>Ti<sub>2</sub>O<sub>7</sub>
Turrini, A. A., Ruminy, M., Bourdarot, F., Stuhr, U., White, J. S., Tucker, G., … Fennell, T. (2021). Magnetic-field control of magnetoelastic coupling in the rare-earth pyrochlore Tb2Ti2O7. Physical Review B, 104(22), 224403 (13 pp.). https://doi.org/10.1103/PhysRevB.104.224403
Fractional antiferromagnetic skyrmion lattice induced by anisotropic couplings
Gao, S., Rosales, H. D., Gómez Albarracín, F. A., Tsurkan, V., Kaur, G., Fennell, T., … Zaharko, O. (2020). Fractional antiferromagnetic skyrmion lattice induced by anisotropic couplings. Nature, 586, 37-41. https://doi.org/10.1038/s41586-020-2716-8
Multiple Coulomb phase in the fluoride pyrochlore CsNiCrF<sub>6</sub>
Fennell, T., Harris, M. J., Calder, S., Ruminy, M., Boehm, M., Steffens, P., … Bramwell, S. T. (2019). Multiple Coulomb phase in the fluoride pyrochlore CsNiCrF6. Nature Physics, 15(1), 60-66. https://doi.org/10.1038/s41567-018-0309-3
Magnetoelastic excitation spectrum in the rare-earth pyrochlore Tb&lt;sub&gt;2&lt;/sub&gt;Ti&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt;
Ruminy, M., Guitteny, S., Robert, J., Regnault, L. P., Boehm, M., Steffens, P., … Fennell, T. (2019). Magnetoelastic excitation spectrum in the rare-earth pyrochlore Tb2Ti2O7. Physical Review B, 99(22), 224431 (14 pp.). https://doi.org/10.1103/PhysRevB.99.224431
24-spin clusters in the mineral boleite KPb<sub>26</sub>Ag<sub>9</sub>Cu<sub>24</sub>Cl<sub>62</sub>(OH)<sub>48</sub>
Dreier, E. S., Holm, S. L., Lønbæk, K., Hansen, U. B., Medarde, M., Živković, I., … Lefmann, K. (2018). 24-spin clusters in the mineral boleite KPb26Ag9Cu24Cl62(OH)48. Physical Review B, 97(1), 014416 (12 pp.). https://doi.org/10.1103/PhysRevB.97.014416
Dipolar spin ice states with a fast monopole hopping rate in CdEr<sub>2</sub><em>X</em><sub>4</sub> (<em>X</em> = Se, S)
Gao, S., Zaharko, O., Tsurkan, V., Prodan, L., Riordan, E., Lago, J., … Fennell, T. (2018). Dipolar spin ice states with a fast monopole hopping rate in CdEr2X4 (X = Se, S). Physical Review Letters, 120(13), 137201 (6 pp.). https://doi.org/10.1103/PhysRevLett.120.137201
Pauling entropy, metastability, and equilibrium in Dy&lt;sub&gt;2&lt;/sub&gt;Ti&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt; spin ice
Giblin, S. R., Twengström, M., Bovo, L., Ruminy, M., Bartkowiak, M., Manuel, P., … Fennell, T. (2018). Pauling entropy, metastability, and equilibrium in Dy2Ti2O7 spin ice. Physical Review Letters, 121(6), 067202 (6 pp.). https://doi.org/10.1103/PhysRevLett.121.067202
Experimental signatures of emergent quantum electrodynamics in Pr&lt;sub&gt;2&lt;/sub&gt;Hf&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt;
Sibille, R., Gauthier, N., Yan, H., Ciomaga Hatnean, M., Ollivier, J., Winn, B., … Fennell, T. (2018). Experimental signatures of emergent quantum electrodynamics in Pr2Hf2O7. Nature Physics, 14(7), 711-715. https://doi.org/10.1038/s41567-018-0116-x
Spiral spin-liquid and the emergence of a vortex-like state in MnSc<sub>2</sub>S<sub>4</sub>
Gao, S., Zaharko, O., Tsurkan, V., Su, Y., White, J. S., Tucker, G. S., … Rüegg, C. (2017). Spiral spin-liquid and the emergence of a vortex-like state in MnSc2S4. Nature Physics, 13(2), 157-161. https://doi.org/10.1038/nphys3914
Phonon-mediated spin-flipping mechanism in the spin ices Dy&lt;sub&gt;2&lt;/sub&gt;Ti&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt; and Ho&lt;sub&gt;2&lt;/sub&gt;Ti&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt;
Ruminy, M., Chi, S., Calder, S., & Fennell, T. (2017). Phonon-mediated spin-flipping mechanism in the spin ices Dy2Ti2O7 and Ho2Ti2O7. Physical Review B, 95(6), 060414 (5 pp.). https://doi.org/10.1103/PhysRevB.95.060414
Coulomb spin liquid in anion-disordered pyrochlore Tb&lt;sub&gt;2&lt;/sub&gt;Hf&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt;
Sibille, R., Lhotel, E., Ciomaga Hatnean, M., Nilsen, G. J., Ehlers, G., Cervellino, A., … Kenzelmann, M. (2017). Coulomb spin liquid in anion-disordered pyrochlore Tb2Hf2O7. Nature Communications, 8(1), 892 (9 pp.). https://doi.org/10.1038/s41467-017-00905-w
Crystal-field parameters of the rare-earth pyrochlores &lt;em&gt;R&lt;/em&gt;&lt;sub&gt;2&lt;/sub&gt;Ti&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt; (&lt;em&gt;R&lt;/em&gt; = Tb, Dy, and Ho)
Ruminy, M., Pomjakushina, E., Iida, K., Kamazawa, K., Adroja, D. T., Stuhr, U., & Fennell, T. (2016). Crystal-field parameters of the rare-earth pyrochlores R2Ti2O7 (R = Tb, Dy, and Ho). Physical Review B, 94(2), 024430 (16 pp.). https://doi.org/10.1103/PhysRevB.94.024430
First-principles calculation and experimental investigation of lattice dynamics in the rare-earth pyrochlores &lt;em&gt;R&lt;/em&gt;&lt;sub&gt;2&lt;/sub&gt;Ti&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt; (&lt;em&gt;R&lt;/em&gt; = Tb, Dy, Ho)
Ruminy, M., Núñez Valdez, M., Wehinger, B., Bosak, A., Adroja, D. T., Stuhr, U., … Fennell, T. (2016). First-principles calculation and experimental investigation of lattice dynamics in the rare-earth pyrochlores R2Ti2O7 (R = Tb, Dy, Ho). Physical Review B, 93(21), 214308 (13 pp.). https://doi.org/10.1103/PhysRevB.93.214308
Neutron Larmor diffraction investigation of the rare-earth pyrochlores &lt;em&gt;R&lt;/em&gt;&lt;sub&gt;2&lt;/sub&gt;Ti&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt; (&lt;em&gt;R&lt;/em&gt; = Tb, Dy, Ho)
Ruminy, M., Groitl, F., Keller, T., & Fennell, T. (2016). Neutron Larmor diffraction investigation of the rare-earth pyrochlores R2Ti2O7 (R = Tb, Dy, Ho). Physical Review B, 94(17), 174406 (8 pp.). https://doi.org/10.1103/PhysRevB.94.174406
Sample independence of magnetoelastic excitations in the rare-earth pyrochlore Tb&lt;sub&gt;2&lt;/sub&gt;Ti&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt;
Ruminy, M., Bovo, L., Pomjakushina, E., Haas, M. K., Stuhr, U., Cervellino, A., … Fennell, T. (2016). Sample independence of magnetoelastic excitations in the rare-earth pyrochlore Tb2Ti2O7. Physical Review B, 93(14), 144407 (8 pp.). https://doi.org/10.1103/PhysRevB.93.144407
Candidate quantum spin liquid in the Ce<sup>3+</sup> pyrochlore stannate Ce<sub>2</sub>Sn<sub>2</sub>O<sub>7</sub>
Sibille, R., Lhotel, E., Pomjakushin, V., Baines, C., Fennell, T., & Kenzelmann, M. (2015). Candidate quantum spin liquid in the Ce3+ pyrochlore stannate Ce2Sn2O7. Physical Review Letters, 115(9), 097202 (5 pp.). https://doi.org/10.1103/PhysRevLett.115.097202
Magnetoelastic excitations in the pyrochlore spin liquid Tb&lt;sub&gt;2&lt;/sub&gt;Ti&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;7&lt;/sub&gt;
Fennell, T., Kenzelmann, M., Roessli, B., Mutka, H., Ollivier, J., Ruminy, M., … Cava, R. J. (2014). Magnetoelastic excitations in the pyrochlore spin liquid Tb2Ti2O7. Physical Review Letters, 112(1), 017203 (5 pp.). https://doi.org/10.1103/PhysRevLett.112.017203