Spin correlations and exchange in square lattice frustrated ferromagnets (2009)
Skoulatos, M., Goff, J. P., Geibel, C., Kaul, E. E., Nath, R., Shannon, N., ...
The J1-J2 model on a square lattice exhibits a rich variety of different forms of magnetic order that depend sensitively on the ratio of exchange constants J2/J1. We use bulk magnetometry and...
Experimental Proof of a Magnetic Coulomb Phase (2009)
Fennell, Tom, Deen, P. P., Wildes, A. R., Schmalzl, K., Prabhakaran, D., Boothroyd, A. T., ...
Spin ice materials are magnetic substances in which the spin directions map onto hydrogen positions in water ice. Recently this analogy has been elevated to an electromagnetic equivalence, indicating...
Pinch points and Kasteleyn transitions in kagome ice (2007)
Fennell, T., Bramwell, S.T., McMorrow, D.F., Manuel, P., Wildes, A.R.
Complex disordered states—from liquids and glasses to exotic quantum matter—are ubiquitous in nature. Their key properties include finite entropy, power-law correlations and emergent organizing...
Spin correlations in the frustrated square lattice Pb2VO(PO4)2 (2007)
Skoulatos, M., Goff, J. P., Shannon, N., Kaul, E. E., Geibel, C., Murani, A. P., ...
Anisotropy and the critical behaviour of the quasi-2D antiferromagnet, MnPS3 (2007)
Wildes, A. R., Ronnow, H. M., Roessli, B., Harris, Mt, Godfrey, K. W.
Neutron scattering has been used to measure the critical behaviour of the sublattice magnetization, M, and the gap in the spin wave energies at the Brillouin zone centre, E-0, for a single crystal of...
Static and dynamic critical properties of the quasi-two-dimensional antiferromagnet MnPS3 (2006)
Wildes, A. R., Ronnow, H. M., Roessli, B., Harris, M. J., Godfrey, K. W.
A comprehensive study of the static and dynamic critical properties of the quasi-two-dimensional antiferromagnet MnPS3 is presented. The relatively large spin S=5/2 of the Mn ions ensure...
A comparison of Monte-Carlo simulations using RESTRAX and McSTAS with experiment on IN14 (2005)
Wildes, A. R., Saroun, J., Farhi, E., Anderson, I., Hoghoj, P., Brochier, A.
Monte-Carlo simulations of a focusing supermirror guide after the monochromator on the IN14 cold neutron three-axis spectrometer, I.L.L. were carried out using the instrument simulation programs...
The magnetic structure of Fe78Si9B13 commercial metallic glasses (2004)
Wildes, A.R., Cowlam, N., Pankhurst, Q.A., Al-Heniti, S., Gibbs, M.R.J.
X-ray and polarized neutron scattering techniques have been used to examine the magnetic structure of wide-ribbon Fe78Si9B13 commercial metallic glass (METGLAS® 2605-S2). Samples with well-defined...
Phonon dispersion relations in PrBa§2Cu§3O§6§+§x(x~0.2). (2004)
Gardiner, C.H., Boothroyd, A.T., Larsen, B.H., Reichardt, W., Zhokhov, A.A., Andersen, N.H., ...
Physical Review B, 69(2004) S.092302/1-4
Phonon Dispersion Relations in PrBa2Cu3O6+x (x ~ 0.2) (2003)
Gardiner, C. H., Boothroyd, A. T., Larsen, B. H., Reichardt, W., Zhokhov, A. A., Andersen, N. H., ...
We report measurements of the phonon dispersion relations in non-superconducting, oxygen-deficient PrBa2Cu3O6+x (x ~ 0.2) by inelastic neutron scattering. The data are compared with a model of the...
Magnetic state of Yb in Kondo-lattice YbNi2B2C (2003)
Boothroyd, A T, Barratt, J P, Bonville, P, Canfield, P C, Murani, A, Wildes, A R, ...
The magnetic state of Yb in Kondo-lattice YbNi2B2C (2002)
Boothroyd, A. T., Barratt, J. P., Bonville, P., Canfield, P. C., Murani, A., Wildes, A. R., ...
We report neutron scattering experiments performed to investigate the dynamic magnetic properties of the Kondo-lattice compound YbNi2B2C. The spectrum of magnetic excitations is found to be broad,...
Coupled Magnetic Excitations in Single Crystal PrBa2Cu3O6.2 (2001)
Lister, S. J. S., Boothroyd, A. T., Andersen, N. H., Larsen, B. H., Zhokhov, A. A., Christensen, A. N., ...
The dispersion of the low-energy magnetic excitations of the Pr sublattice in PrBa2Cu3O6.2 is determined by inelastic neutron scattering measurements on a single crystal. The dispersion, which shows...
Spin Correlations in Ho$_{2}$Ti$_{2}$O$_{7}$: a Dipolar Spin Ice System (2001)
Bramwell, S. T., Harris, M. J., Hertog, B. C. Den, Gingras, M. J. P., Gardner, J. S., McMorrow, D. F., ...
The pyrochlore material $\rm Ho_{2}Ti_{2}O_{7}$ has been suggested to show ``spin ice'' behaviour. We present neutron scattering and specific heat results that establish unambiguously that...
Spin correlations in Ho2Ti2O7: A dipolar spin ice system (2001)
Bramwell, S T, Harris, M J, Den Hertog, B C, Gingras, M J P, Gardner, J S, McMorrow, D F, ...
Magnetic excitations in YbNi2B2C (2001)
Boothroyd, A T, Barratt, J P, Lister, S J S, Wildes, A R, Canfield, P C, Bewley, R I
in Rare Earth Transition Metal Borocarbides (nitrides): Superconducting, Magnetic and Normal State Properties, Eds K-H Muller, V Narozhnyi (Kluwer Academic Press) 163 (2001)
Dispersive magnetic excitations in non-superconducting PrBa2Cu3O6.2 (2001)
Boothroyd, A T, Lister, SJS, Dubin, F, Larsen, BH, Andersen, NH, Zhokhov, AA, ...
Proc ILL Millennium Symposium, Grenoble, p147 (2001)
A comparison of Monte-Carlo simulations using RESTRAX and McSTAS with experiment on IN14 (2000)
Wildes, A. R., Saroun, J., Farhi, E., Anderson, I., Hoghoj, P., Brochier, A.
Monte-Carlo simulations of a focusing supermirror guide after the monochromator on the IN14 cold neutron three-axis spectrometer, I.L.L. were carried out using the instrument simulation programs...
A comparison of Monte-Carlo simulations using RESTRAX and McSTAS with experiment on IN14 (2000)
Wildes, A. R., Saroun, J., Farhi, E., Anderson, I., Hoghoj, P., Brochier, A.
Monte-Carlo simulations of a focusing supermirror guide after the monochromator on the IN14 cold neutron three-axis spectrometer, I.L.L. were carried out using the instrument simulation programs...
A comparison of Monte-Carlo simulations using RESTRAX and McSTAS with experiment on IN14 (2000)
Wildes, A. R., Saroun, J., Farhi, E., Anderson, I., Hoghoj, P., Brochier, A.
Monte-Carlo simulations of a focusing supermirror guide after the monochromator on the IN14 cold neutron three-axis spectrometer, I.L.L. were carried out using the instrument simulation programs...
Magnetic correlations in the 2D S=5/2 honeycomb antiferromagnet MnPS3 (2000)
Ronnow, H. M., Wildes, A. R., Bramwell, S. T.
MnPS3 is a quasi-2D S = 5/2 antiferromagnet on a honeycomb lattice. Using an energy integrating neutron scattering technique, we have measured the structure factor S(k) of the instantaneous magnetic...