Robert Kiefl


Physics and Astronomy

Current Projects

  • Magnetic properties of oxide interfaces and their near surface region
  • Novel magnetic and chemical properties of nanoparticles
  • Lithium diffusion studies in battery electrode materials
  • Local magnetoelectric effects studied with beta-NMR and muon spin rotation
  • Neutral charge state of the muon in magnetic materials

Selected Publications

  1. Dehn, MH, Shenton, JK, Arseneau, DJ, MacFarlane, WA, Morris, GD, Maigne, A, Spaldin, NA, Kiefl, RF, Local Electronic Structure and Dynamics of Muon-Polaron Complexes in Fe2O3, Physical Review Letters, 126, 037202 (2021)
  2. Dehn, MH, Shenton, JK, Holenstein, S, Meier, QN, Arseneau, DJ, Cortie, DL, Hitti, B, Fang, ACY, MacFarlane, WA, McFadden, RML, Morris, GD, Salman, Z, Luetkens, H, Spaldin, NA, Fechner, M, Kiefl, RF, Observation of charge-neutral Muon-Polaron Complex in Antiferromagnetic Cr2O3, Physical Review X 10, 1, 011036 (2020)
  3. A. Chatzichristos, R.M.L. McFadden, M.H. Dehn, S.R. Dunsiger, D. Fujimoto, V.L. Karner, I. McKenzie, G.D. Morris, M.R. Pearson, M. Stachura, J. Sugiyama, J.O. Ticknor, W.A. MacFarlane, R.F. Kiefl. Bi-Arrhenius Diffusion and Surface Trapping of 8Li+ in Rutile TiO2. Phys. Rev. Lett. 123, 095901 (2019).
  4. D.L. Cortie, T. Buck, M.H. Dehn, V.L. Karner, R.F. Kiefl, C.D.P. Levy, R.M.L. McFadden, G.D. Morris, I. McKenzie, M.R. Pearson, X.L. Wang, W.A. MacFarlane. beta-NMR investigation of the depth dependent magnetic properties of an antiferromagnetic surface. Phys. Rev. Letts. 116, 106103 (2016).
  5. H. Saadaoui, Z. Salman, H. Luetkens, T. Prokscha, A. Suter, W.A. MacFarlane, Y. Jiang, K. Jin, R.L. Greene, E. Morenzoni, R.F. Kiefl. The Phase Diagram in Electron-Doped La2-xCexCuO4. Nat. Commun. 6, 6041 (2015).