Boothroyd group publications

		Group publications

		Selected Recent Publications (click here for complete list) Coexistence of incommensurate magnetism and superconductivity in Fe_1+ySe_xTe_1–x R. Khasanov, M. Bendele, A. Amato, P. Babkevich, A. T. Boothroyd, A. Cervellino, K. Conder, S. N. Gvasaliya, H. Keller, H.-H. Klauss, H. Luetkens, V. Pomjakushin, E. Pomjakushina, and B. Roessli Phys. Rev. B 80 (2009) 140511(R) Inward dispersion of the spin excitation spectrum of stripe-ordered La₂NiO_4+δ P.G. Freeman, M. Enderle, S.M. Hayden, C.D. Frost, D.X. Yao, E.W. Carlson, D. Prabhakaran, and A.T. Boothroyd Phys. Rev. B 80 (2009) 144523 Magnetic Coulomb Phase in the Spin Ice Ho₂Ti₂O₇ T. Fennell, P.P. Deen, A.R. Wildes, K. Schmalzl, D. Prabhakaran, A.T. Boothroyd, R.J. Aldus, D.F. McMorrow, and S.T. Bramwell Science, 426 (2009) 415–417. Magnetic Order and Dynamics of the Charge-Ordered Antiferromagnet La_1.5Sr_0.5CoO₄ L.M. Helme, A.T. Boothroyd, R. Coldea, D. Prabhakaran, C.D. Frost, D.A. Keen, L.P. Regnault, P.G. Freeman, M. Enderle, and J. kulda Phys. Rev. B 80 (2009) 134414. Circularly Polarized X rays as a Probe of Noncollinear Magnetic Order in Multiferroic TbMnO₃ F. Fabrizi, H.C. Walker, L. Paolasini, F. de Bergevin, A.T. Boothroyd, D. Prabhakaran, and D.F. McMorrow Phys. Rev. Lett 102 (2009) 237205. Going beyond the dipole approximation to improve the refinement of magnetic structures by neutron diffraction M. Rotter and A.T. Boothroyd Phys. Rev. B 79 (2009) 140405(R). Thermally-induced rotation of 3d orbital stripes in Pr(Sr_0.1Ca_0.9)₂Mn₂O₇ T.A.W. Beale, S.R. Bland, R.D. Johnson, P.D. Hatton, J.C. Cezar, S.S. Dhesi, M.v. Zimmermann, D. Prabhakaran, and A.T. Boothroyd Phys. Rev. B 79 (2009) 054433. High energy spin excitations in BaFe₂As₂ observed by inelastic neutron scattering R.A. Ewings, T.G. Perring, R.I. Bewley, T. Guidi, M.J. Pitcher, D.R. Parker, S.J. Clarke, and A.T. Boothroyd Phys. Rev. B 78 (2008) 220501(R). Structure and Superconductivity of LiFeAs M.J. Pitcher, D.R. Parker, P. Adamson, S.J.C. Herkelrath, A.T. Boothroyd, R.M. Ibberson, M. Brunelli, S.J. Clarke Chem. Commun. (2008) 5918–5920. Ultrafast electronic phase transition in La_1/2Sr_3/2MnO₄ by coherent vibrational excitation: evidence for nonthermal melting of orbital order R.I. Tobey, D. Prabhakaran, A.T. Boothroyd, and A. Cavalleri Phys. Rev. Lett. 101 (2008) 197404. X-ray scattering study of the order parameters in multiferroic TbMnO₃ D. Mannix, D.F. McMorrow, R.A. Ewings, A.T. Boothroyd, D. Prabhakaran, Y. Joly, B. Janousova, C. Mazzoli, L. Paolasini, and S.B. Wilkins Phys. Rev. B 76 (2007) 184420. Influence of static Jahn–Teller distortion on the magnetic excitation spectrum of PrO₂: A synchrotron x-ray and neutron inelastic scattering study C.H. Webster, L.M. Helme, A.T. Boothroyd, D.F. McMorrow, S.B. Wilkins, C. Detlefs, B. Detlefs, R.I. Bewley, and M.J. McKelvy Phys. Rev. B 76, 134419 (2007) Nature of the Magnetic Order in the Charge-Ordered Cuprate La_1.48Nd_0.4Sr_0.12CuO₄ N.B. Christensen, H.M. Rønnow, J. Mesot, R.A. Ewings, M. Momono, M. Oda, M. Ido, M. Enderle, D.F. McMorrow, and A. T. Boothroyd Phys. Rev. Lett. 98, 197003 (2007) Spin Gaps and Magnetic Structure of Na_xCoO₂ L.M. Helme, A. T. Boothroyd, R. Coldea, D. Prabhakaran, A. Stunault, G.J. McIntyre, and N. Kernavanois Phys. Rev. B 73, 054405 (2006) Magnetization of La_2–xSr_xNiO₄₊_d (0<x<0.5): Spin Glass and Memory Effects P.G. Freeman, A.T. Boothroyd, D. Prabhakaran, and J. Lorenzana Phys. Rev. B. 73, 014434 (2006) Single Crystals of Bilayer Manganites D. Prabhakaran and A. T. Boothroyd Frontiers in Magnetic Materials (ed.A.V. Narlikar, Spinger-Verlag, Berlin, 2005) 97–115 Progress in Na_xCoO₂ Single Crystal Growth D. Prabhakaran and A. T. Boothroyd Frontiers in Superconducting Materials (ed.A.V. Narlikar, Spinger-Verlag, Berlin, 2005) 683–695 Mapping Spin-Wave Dispersions in Stripe-Ordered La_2–xSr_xNiO₄ (x = 0.275, 0.333) H. Woo, A. T. Boothroyd, K. Nakajima, T.G. Perring, C.D. Frost, P.G. Freeman, D. Prabhakaran, K. Yamada and J.M. Tranquada Phys. Rev. B 72, 064437 (2005) Spin Dynamics of Half-Doped La_3/2Sr_1/2NiO₄ P.G. Freeman, A.T. Boothroyd, D. Prabhakaran, C.D. Frost, M. Enderle, and A. Hiess Phys. Rev. B. 71, 174412 (2005) Three-Dimensional Spin Fluctuations in Na_0.75CoO₂ L.M. Helme, A.T. Boothroyd, R. Coldea, D. Prabhakaran, D.A. Tennant, A. Hiess and J. Kulda Phys. Rev. Lett. 94, 157206 (2005) Cooperative Jahn-Teller Distortion in PrO₂ C. Gardiner, A.T. Boothroyd, P. Pattison, M. McKelvy, G.J. McIntyre, and S.J.S. Lister Phys. Rev. B 70, 024415 (2004) Ferromagnetic In-Plane Spin Fluctuations in Na_xCoO₂ Observed by Neutron Inelastic Scattering A.T. Boothroyd, R. Coldea, D.A. Tennant, D. Prabhakaran, L.M. Helme, and C.D. Frost Phys. Rev. Lett. 92, 197201 (2004) Spin Correlations Among the Charge Carriers in an Ordered Stripe Phase A.T. Boothroyd, P.G. Freeman, D. Prabhakaran, A. Hiess, M. Enderle, J. Kulda, and F. Altorfer Phys. Rev. Lett. 91, 257201 (2003)
Prof. Andrew Boothroyd Clarendon Laboratory Department of Physics Oxford University Oxford, OX1 3PU United Kingdom phone +44 (0) 1865 272376 fax +44 (0) 1865 272400 a.boothroyd@physics.ox.ac.uk
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