X-ray and neutron scattering

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The not so simple cubic structure of PbZr(1-x)Ti(x)O3 (PZT): complex local structural effects in perovskites.

Acta Crystallogr B 67:Pt 6 (2011) 461-466

Authors:

Nan Zhang, Hiroko Yokota, AM Glazer, PA Thomas

Abstract:

High-resolution neutron diffraction on the important piezoelectric lead zirconate titanate (PZT) has found that oxygen disorder exists well into the cubic phase. This unexpected result shows that within this phase there persists a remnant of the tilted oxygen octahedra present within the room-temperature ferroelectric phase. The result is that the cubic phase, far from having a simple crystal structure, exhibits a more complex local structure than had hitherto been thought.
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Evidence of Magnetic Correlations Among the Charge Stripe Electrons of Charge-Stripe Ordered La2NiO4.11

(2011)

Authors:

PG Freeman, SM Hayden, RA Mole, M Enderle, D Prabhakaran, AT Boothroyd
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Analysis of local chemical and structural inhomogeneities in FeySe1−xTex single crystals

Applied Physics Letters AIP Publishing 99:19 (2011) 192504

Authors:

SC Speller, TB Britton, G Hughes, S Lozano-Perez, AT Boothroyd, E Pomjakushina, K Conder, CRM Grovenor
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Femtoscale magnetically induced lattice distortions in multiferroic TbMnO3

(2011)

Authors:

HC Walker, F Fabrizi, L Paolasini, F de Bergevin, J Herrero-Martin, AT Boothroyd, D Prabhakaran, DF McMorrow
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Neutron powder diffraction refinement of PbZr(1 - x)Ti(x)O3.

Acta Crystallogr B 67:Pt 5 (2011) 386-398

Authors:

N Zhang, H Yokota, AM Glazer, PA Thomas

Abstract:

Rietveld refinement of different structural models using neutron diffraction data for a series of powders of lead zirconate titanate, PbZr(1 - x)Ti(x)O(3) (PZT), is described. It is found that at all the compositions and temperatures studied the best results include contributions from more than one phase in order to fit the data. Consequently a new phase diagram is proposed.
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