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Correlated N/O anion orders in melilite phosphors

Journal of Solid State Chemistry Elsevier 284 (2020) 121198

Authors:

Paula Kayser, Hannah E Johnston, Mu-Hai Fang, David A Keen, Ru Shi Liu, J Paul Attfield
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Tuning the Morphological Appearance of Iron(III) Fumarate: Impact on Material Characteristics and Biocompatibility

Chemistry of Materials American Chemical Society (ACS) 32:6 (2020) 2253-2263

Authors:

Patrick Hirschle, Christian Hirschle, Konstantin Böll, Markus Döblinger, Miriam Höhn, Joshua M Tuffnell, Christopher W Ashling, David A Keen, Thomas D Bennett, Joachim O Rädler, Ernst Wagner, Michael Peller, Ulrich Lächelt, Stefan Wuttke
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Strong quantum fluctuations from competition between magnetic phases in a pyrochlore iridate

PHYSICAL REVIEW B 101:10 (2020) ARTN 104404

Authors:

Henrik Jacobsen, Cameron D Dashwood, Elsa Lhotel, Dmitry Khalyavin, Pascal Manuel, Ross Stewart, Dharmalingam Prabhakaran, Desmond F McMorrow, Andrew T Boothroyd
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Neutron scattering study of the orientational disorder in potassium cyanide

Journal of Physics Communications IOP Publishing 4:2 (2020) 023001

Authors:

Guanqun Cai, Anthony E Phillips, David A Keen, Matthew G Tucker, Martin T Dove
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Halogenated Metal-Organic Framework Glasses and Liquids.

Journal of the American Chemical Society 142:8 (2020) 3880-3890

Authors:

Jingwei Hou, María Laura Ríos Gómez, Andraž Krajnc, Aoife McCaul, Shichun Li, Alice M Bumstead, Adam F Sapnik, Zeyu Deng, Rijia Lin, Philip A Chater, Dean S Keeble, David A Keen, Dominique Appadoo, Bun Chan, Vicki Chen, Gregor Mali, Thomas D Bennett

Abstract:

The synthesis of four novel crystalline zeolitic imidazolate framework (ZIF) structures using a mixed-ligand approach is reported. The inclusion of both imidazolate and halogenated benzimidazolate-derived linkers leads to glass-forming behavior by all four structures. Melting temperatures are observed to depend on both electronic and steric effects. Solid-state NMR and terahertz (THz)/far-IR demonstrate the presence of a Zn-F bond for fluorinated ZIF glasses. In situ THz/far-IR spectroscopic techniques reveal the dynamic structural properties of crystal, glass, and liquid phases of the halogenated ZIFs, linking the melting behavior of ZIFs to the propensity of the ZnN4 tetrahedra to undergo thermally induced deformation. The inclusion of halogenated ligands within metal-organic framework (MOF) glasses improves their gas-uptake properties.
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