Andrew Boothroyd: Publications

Textbook

Principles of Neutron Scattering from Condensed Matter

Published by Oxford University Press in July 2020

Absence of strong magnetic fluctuations in the iron phosphide superconductors LaFePO and Sr2ScO3FeP

(2013)

Authors:

AE Taylor, RA Ewings, TG Perring, DR Parker, J Ollivier, SJ Clarke, AT Boothroyd

Stripe disorder and dynamics in the hole-doped antiferromagnetic insulator La5/3Sr1/3CoO4

(2013)

Authors:

T Lancaster, SR Giblin, G Allodi, S Bordignon, M Mazzani, R De Renzi, PG Freeman, PJ Baker, FL Pratt, P Babkevich, SJ Blundell, AT Boothroyd, JS Moeller, D Prabhakaran

Terahertz Frequency Electromagnon and Magnon Modes in Multiferroic Cupric Oxide

Institute of Electrical and Electronics Engineers (IEEE) (2013) 1-1

Authors:

Samuel PP Jones, S Gaw, D Prabhakaran, AT Boothroyd, James Lloyd-Hughes

Dynamical matrix diagonalization for the calculation of dispersive excitations (vol 24, 213201, 2012)

JOURNAL OF PHYSICS-CONDENSED MATTER 25:32 (2013) ARTN 329501

Authors:

Martin Rotter, Manh Duc Le, Andrew T Boothroyd, Jesus Angel Blanco

Ground state in a half-doped manganite distinguished by neutron spectroscopy

Physical Review Letters 109:23 (2012)

Authors:

GE Johnstone, TG Perring, O Sikora, D Prabhakaran, AT Boothroyd

Abstract:

We have measured the spin-wave spectrum of the half-doped bilayer manganite Pr(Ca,Sr)2Mn2O7 in its spin, charge, and orbital ordered phase. The measurements, which extend throughout the Brillouin zone and cover the entire one-magnon spectrum, are compared critically with spin-wave calculations for different models of the electronic ground state. The data are described very well by the Goodenough model, which has weakly interacting ferromagnetic zig-zag chains in the CE-type arrangement. A model that allows ferromagnetic dimers to form within the zigzags is inconsistent with the data. The analysis conclusively rules out the strongly bound dimer (Zener polaron) model. © 2012 American Physical Society.

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