Andrew Boothroyd: Publications

Textbook

Principles of Neutron Scattering from Condensed Matter

Published by Oxford University Press in July 2020

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Incommensurate One-Dimensional Fluctuations in YBa2 Cu3O6.93.

Phys Rev Lett 77:2 (1996) 370-373

Authors:

HA Mook, P Dai, K Salama, D Lee, F Dogan, G Aeppli, AT Boothroyd, ME Mostoller

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Magnetic ordering in PrBa2Cu3-yAlyO6+x.

Phys Rev B Condens Matter 53:14 (1996) 9382-9395

Authors:

A Longmore, AT Boothroyd, C Changkang, H Yongle, MP Nutley, NH Andersen, H Casalta, P Schleger, AN Christensen

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RAMAN-ACTIVE PHONON SOFTENING IN A TL-BA-CA-CU-O SUPERCONDUCTING THIN-FILM

SOLID STATE COMMUNICATIONS 93:9 (1995) 747-752

Authors:

A MUKHERJEE, DZ LIU, AT BOOTHROYD, LY SU, CRM GROVENOR, MJ GORINGE

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CRYSTAL FIELDS IN RBA(2)CU(4)O(8) SUPERCONDUCTORS STUDIED BY INELASTIC NEUTRON-SCATTERING

PHYSICA C 235-240 (1994) 1665-1666

Authors:

EA GOREMYCHKIN, BD RAINFORD, DB CURRIE, MT WELLER, AT BOOTHROYD

Abstract:

Neutron spectroscopy has been used to study the crystal field excitation spectra in high quality samples of RBa(2)Cu(4)O(8) high temperature superconductors, with R = Dy, Ho and Er. The samples were prepared under high oxygen pressure. Analysis of the spectra included treatment of the spin-orbit and Coulomb interactions, sad yielded crystal field parameters which showed a high degree of consistency from one rare earth to another.

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CRYSTAL-FIELD EXCITATION LINEWIDTHS IN (LN(X)Y(1-X))BA2CU3O7 (LN=ER, HO, TM)

PHYSICA C 235-240 (1994) 1707-1708

Authors:

A MUKHERJEE, AT BOOTHROYD, JS GARDNER

Abstract:

We have studied the temperature dependence of crystal field (CF) excitation linewidths of lanthanide ions (Er and Ho) in YBa(2)Cu(3)0(7) by neutron scattering. The Ho data reveal an anomaly in the CF damping around T-c with no evidence of a coherence peak below T-c. We have applied the theory of Becker, Fulde and Keller to derive the reduced s-f coupling constants from the CF linewidth data for the ions Er, Ho and Tm.

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Andrew Boothroyd

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Textbook

Principles of Neutron Scattering from Condensed Matter

Incommensurate One-Dimensional Fluctuations in YBa2 Cu3O6.93.

Authors:

Magnetic ordering in PrBa2Cu3-yAlyO6+x.

Authors:

RAMAN-ACTIVE PHONON SOFTENING IN A TL-BA-CA-CU-O SUPERCONDUCTING THIN-FILM

Authors:

CRYSTAL FIELDS IN RBA(2)CU(4)O(8) SUPERCONDUCTORS STUDIED BY INELASTIC NEUTRON-SCATTERING

Authors:

Abstract:

CRYSTAL-FIELD EXCITATION LINEWIDTHS IN (LN(X)Y(1-X))BA2CU3O7 (LN=ER, HO, TM)

Authors:

Abstract:

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Textbook

Principles of Neutron Scattering from Condensed Matter

Incommensurate One-Dimensional Fluctuations in YBa2 Cu3O6.93.

Authors:

Magnetic ordering in PrBa2Cu3-yAlyO6+x.

Authors:

RAMAN-ACTIVE PHONON SOFTENING IN A TL-BA-CA-CU-O SUPERCONDUCTING THIN-FILM

Authors:

CRYSTAL FIELDS IN RBA(2)CU(4)O(8) SUPERCONDUCTORS STUDIED BY INELASTIC NEUTRON-SCATTERING

Authors:

Abstract:

CRYSTAL-FIELD EXCITATION LINEWIDTHS IN (LN(X)Y(1-X))BA2CU3O7 (LN=ER, HO, TM)

Authors:

Abstract: