X-ray and neutron scattering

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Local structure of the metal–organic perovskite dimethylammonium manganese( ii ) formate

Dalton Transactions Royal Society of Chemistry (RSC) 45:10 (2016) 4380-4391

Authors:

Helen D Duncan, Martin T Dove, David A Keen, Anthony E Phillips
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Crystallography: A Very Short Introduction

Oxford University Press, 2016

Abstract:

A. M. Glazer. A. M. Glazer CRYSTALLOGRAPHY A Very Short Introduction 1 Great Clarendon Street, Oxford, OX26DP, United Kingdom Oxford University Press Crystallography: A Very Short Introduction.

Direct mapping of microscopic polarization in ferroelectric x(BiScO3)-(1−x)(PbTiO3) throughout its morphotropic phase boundary

Physical Review B American Physical Society (APS) 93:6 (2016) 064102

Authors:

K Datta, A Richter, M Göbbels, DA Keen, RB Neder
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Connecting defects and amorphization in UiO-66 and MIL-140 metal–organic frameworks: a combined experimental and computational study

Physical Chemistry Chemical Physics Royal Society of Chemistry (RSC) 18:3 (2016) 2192-2201

Authors:

Thomas D Bennett, Tanya K Todorova, Emma F Baxter, David G Reid, Christel Gervais, Bart Bueken, B Van de Voorde, Dirk De Vos, David A Keen, Caroline Mellot-Draznieks
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Direct evidence for charge stripes in a layered cobalt oxide

Nature Communications Nature Publishing Group 7 (2016) 11632

Authors:

Andrew Boothroyd, Peter Babkevich, PG Freeman, M Enderle, Dharmalingam Prabhakaran

Abstract:

Recent experiments indicate that static stripe-like charge order is generic to the hole-doped copper oxide superconductors and competes with superconductivity. Here we show that a similar type of charge order is present in La5/3Sr1/3CoO4, an insulating analogue of the copper oxide superconductors containing cobalt in place of copper. The stripe phase we have detected is accompanied by short-range, quasi-one-dimensional, antiferromagnetic order, and provides a natural explanation for the distinctive hourglass shape of the magnetic spectrum previously observed in neutron-scattering measurements of La2−xSrxCoO4 and many hole-doped copper oxide superconductors. The results establish a solid empirical basis for theories of the hourglass spectrum built on short-range, quasi-static, stripe correlations.
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