Department of Physics Faculty

“Effect of structural disorder on the Kitaev magnet Ag₃LiIr₂O₆,” F. Bahrami^†, E. M. Kenney^†, C. Wang, A. Berlie, O. I. Lebedev, M. J. Graf, and F. Tafti, Phys. Rev. B 103, 094427 (2021).^† co-first authors

“Absence of local moments in the kagome metal KV₃Sb₅ as determined by muon spin spectroscopy,” E. M. Kenney, B. R. Ortiz, C. Wang, S. D. Wilson, and M. J. Graf, J. Phys.: Condens. Matter 33, 235801 (2021).

“Superconductivity in the Z2 kagome metal KV₃Sb₅,” B. R. Ortiz, P. M. Sarte, E. M. Kenney, S. M. L. Teicher, R. Seshadri, M. J. Graf, and S. D. Wilson, Phys. Rev. Mat. 5, 034801 (2021).

"Monopole-limited nucleation of magnetism in Eu2Ir2O7," Physical Review B  101, 174435 (2020).

Competition between static and dynamic magnetism in the Kitaev spin liquid material Cu₂IrO₃, E. M. Kenney, C. U. Segre, W. Lafargue-Dit-Hauret, O. I. Lebedev, M. Abramchuk, A. Berlie, S. P. Cottrell, G. Simutis, F. Bahrami, N. E. Mordvinova, J. McChesney, G. Fabbris, D. Haskel, X. Rocquefelte, M. J. Graf, and F. Tafti, Phys. Rev. B 100, 094418 (2019) [Editor’s selection].

Field-tunable quantum disordered ground state in the triangular lattice antiferromagnet NaYbO₂, M. Bordelon, E. M. Kenney, T. Hogan, L. Posthuma, M. Kavand, Y. Lyu, M. Sherwin, C. Brown, M. J. Graf, L. Balents, and S. D. Wilson, Nature Physics 15, 1058 (2019).

Suppression of μ⁺ depolarization by fast magnetic fluctuations at avoided level crossings for Ho³⁺ ions in CaWO₄, E. Kenney, A. Amato, S. R. Giblin, B. Z. Malkin, and M. J. Graf, Phys. Rev. B 98, 134424 (2018). 

Quasistatic antiferromagnetism in the quantum wells of SmTiO₃/SrTiO₃ heterostructures, R. F. Need, P. B. Marshall, E. Kenney, A. Suter, T. Prokscha, Z. Salman, B. J. Kirby, S. Stemmer, M. J. Graf, and S. D. Wilson, npj Quantum Materials 3, 7 (2018).

Spin Dynamics in the Single-Ion Magnet [Er(W₅O₁₈)₂]^9-, M. Mariani, F. Borsa, M. J. Graf, S. Sanna, M. Filibian, T. Orlando, K. P. V. Sabareesh, S. Cardona, E. Coronado, and A. Lascialfari, Phys. Rev. B  97, 144414 (2018).

Spiral Modes and the Observation of Quantized Conductance in the Surface Bands of Bismuth Nanowires, T. E. Huber, S. Johnson, L. Konopko, A. Nikolaeva, A. Kobylianskaya, and M. J. Graf, Scientific Reports 7, 15569 (2017).

Evolution of Magnetism in LnCuGa₃ (Ln = La – Nd, Sm – Gd) Studied via µSR and Specific Heat, M. J. Graf, J. D. Hettinger, K. Nemeth, R. Dally, C. Baines, U. Subbarao, and S. C. Peter, J. Magn. Magn. Mater. 444, 236 (2017).

Disordered dimer state in electron-doped Sr₃Ir₂O₇, T. Hogan, R. Dally, M. Upton, J. P. Clancy, K. Finkelstein, Y.-J. Kim, M. J. Graf, and S. D. Wilson, Phys. Rev. B 94, 100401(R)  (2016).

Influence of hydrostatic pressure on the bulk magnetic properties of Eu₂Ir₂O₇, G. Prando, R. Dally, W. Schottenhamel, Z. Guguchia, S.-H. Baek, R. Aeschlimann, A.U.B. Wolter, S. D. Wilson, B. Büchner, and M. J. Graf, Phys. Rev. B 93, 104422 (2016).

Short-Range Correlations in the Magnetic Ground State of Na₄Ir₃O₈ , R. Dally, T. Hogan, A. Amato, H. Leutkens, C. Baines, J. Rodriguez-Rivera, M. J. Graf, and S. D. Wilson, Phys. Rev. Lett. 113, 247601 (2014).

Magnetic Order in the Pyrochlore Iridates A₂Ir₂O₇ (A = Y, Yb), S. M. Disseler, C. Dhital, A. Amato, S. R. Giblin, C. de la Cruz, S. D. Wilson, and M. J. Graf, Phys. Rev. B 86, 014428 (2012).

Evolution of spin relaxation processes in LiY_1-xHo_xF₄ with increasing x studied via ac-susceptibility and muon spin relaxation, R. C. Johnson, B. Z. Malkin, J. S. Lord, S. R. Giblin, A. Amato, C. Baines, A. Lascialfari, B. Barbara, and M. J. Graf, Phys. Rev. B 86, 014427 (2012).