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Magnetostriction-polarization coupling in multiferroic Mn2MnWO6 (2017)
Journal Article
Li, M., McCabe, E. E., Stephens, P. W., Croft, M., Collins, L., Kalinin, S. V., …Greenblatt, M. (2017). Magnetostriction-polarization coupling in multiferroic Mn2MnWO6. Nature Communications, 8(1), Article 2037. https://doi.org/10.1038/s41467-017-02003-3

Double corundum-related polar magnets are promising materials for multiferroic and magnetoelectric applications in spintronics. However, their design and synthesis is a challenge, and magnetoelectric coupling has only been observed in Ni3TeO6 among t... Read More about Magnetostriction-polarization coupling in multiferroic Mn2MnWO6.

Mineral Surface Chemistry Control for Origin of Prebiotic Peptides (2017)
Journal Article
Erastova, V., Degiacomi, M. T., Fraser, D., & Greenwell, H. C. (2017). Mineral Surface Chemistry Control for Origin of Prebiotic Peptides. Nature Communications, 8, Article 2033. https://doi.org/10.1038/s41467-017-02248-y

Some seventy years ago, John Desmond Bernal proposed a role for clays in the origin of life. While much research has since been dedicated to the study of silicate clays, layered double hydroxides, believed to be common on the early Earth, have receiv... Read More about Mineral Surface Chemistry Control for Origin of Prebiotic Peptides.

Crystal structure and anti-site boundary defect characterisation of Cu2ZnSnSe4 (2017)
Journal Article
Mendis, B., McKenna, K., Gurieva, G., Rumsey, M., & Schorr, S. (2018). Crystal structure and anti-site boundary defect characterisation of Cu2ZnSnSe4. Journal of Materials Chemistry A: materials for energy and sustainability, 6(1), 189-197. https://doi.org/10.1039/c7ta08263k

The crystal structure identification of the photovoltaic material Cu2ZnSnSe4 (CZTSe) is challenging due to the distinguishing feature between the two polymorphs, kesterite and stannite, being the arrangement of Cu and Zn ions. Here an energy dispersi... Read More about Crystal structure and anti-site boundary defect characterisation of Cu2ZnSnSe4.

The interfacial nature of proximity-induced magnetism and the Dzyaloshinskii-Moriya interaction at the Pt/Co interface (2017)
Journal Article
Rowan-Robinson, R., Stashkevich, A., Roussigne, Y., Belmeguenai, M., Cherif, S., Thiaville, A., …Atkinson, D. (2017). The interfacial nature of proximity-induced magnetism and the Dzyaloshinskii-Moriya interaction at the Pt/Co interface. Scientific Reports, 7(1), Article 16835. https://doi.org/10.1038/s41598-017-17137-z

The Dzyaloshinskii-Moriya interaction has been shown to stabilise Nèel domain walls in magnetic thin films, allowing high domain wall velocities driven by spin current effects. The interfacial Dzyaloshinskii-Moriya interaction (IDMI) occurs at the in... Read More about The interfacial nature of proximity-induced magnetism and the Dzyaloshinskii-Moriya interaction at the Pt/Co interface.

Temperature Dependence of Magnetically Dead Layers in Ferromagnetic Thin-Films (2017)
Journal Article
Tokac, M., Kinane, C., Atkinson, D., & Hindmarch, A. (2017). Temperature Dependence of Magnetically Dead Layers in Ferromagnetic Thin-Films. AIP Advances, 7(11), Article 115022. https://doi.org/10.1063/1.4997366

Polarized neutron reflectometry has been used to study interface magnetism and magnetic dead layers in model amorphous CoFeB:Ta alloy thin-film multilayers with Curie temperatures tuned to be below room-temperature. This allows temperature dependent... Read More about Temperature Dependence of Magnetically Dead Layers in Ferromagnetic Thin-Films.

Excited-State Aromatic Interactions in the Aggregation-Induced Emission of Molecular Rotors (2017)
Journal Article
Sturala, J., Etherington, M. K., Bismillah, A. N., Higginbotham, H. F., Trewby, W. J., Aguilar, J. A., …McGonigal, P. R. (2017). Excited-State Aromatic Interactions in the Aggregation-Induced Emission of Molecular Rotors. Journal of the American Chemical Society, 139(49), 17882-17889. https://doi.org/10.1021/jacs.7b08570

Small, apolar aromatic groups, such as phenyl rings, are commonly included in the structures of fluorophores in order to impart hindered intramolecular rotations, leading to desirable solid-state luminescence properties. However, they are not normall... Read More about Excited-State Aromatic Interactions in the Aggregation-Induced Emission of Molecular Rotors.

Quantitative Imaging of the Stress/Strain Fields and Generation of Macroscopic Cracks from Indents in Silicon (2017)
Journal Article
Tanner, B., Allen, D., Wittge, J., Danilewsky, A., Garagorri, J., Gorostegui-Colinas, E., …McNally, P. (2017). Quantitative Imaging of the Stress/Strain Fields and Generation of Macroscopic Cracks from Indents in Silicon. Crystals, 7(11), Article 347. https://doi.org/10.3390/cryst7110347

The crack geometry and associated strain field around Berkovich and Vickers indents on silicon have been studied by X-ray diffraction imaging and micro-Raman spectroscopy scanning. The techniques are complementary; the Raman data come from within a f... Read More about Quantitative Imaging of the Stress/Strain Fields and Generation of Macroscopic Cracks from Indents in Silicon.

Thickening of viscoelastic flow in a model porous medium (2017)
Journal Article
Hemingway, E., Clarke, A., Pearson, J., & Fielding, S. (2017). Thickening of viscoelastic flow in a model porous medium. Journal of Non-Newtonian Fluid Mechanics, 251, 56-68. https://doi.org/10.1016/j.jnnfm.2017.11.002

We study numerically two-dimensional creeping viscoelastic flow past a biperiodic square array of cylinders within the Oldroyd B, FENE-CR and FENE-P constitutive models of dilute polymer solutions. Our results capture the initial mild decrease then d... Read More about Thickening of viscoelastic flow in a model porous medium.

Absence of quantum criticality and bulk 3D magnetism in green dioptase (2017)
Journal Article
Berlie, A., & Terry, I. (2017). Absence of quantum criticality and bulk 3D magnetism in green dioptase. European Physical Society Letters, 120(4), Article 47006. https://doi.org/10.1209/0295-5075/120/47006

Green dioptase is a naturally occurring antiferromagnetic mineral that in recent years has been suggested as a candidate to exhibit quantum fluctuations at both above and below T N. Our work uses muon spectroscopy to study the dynamic and static prop... Read More about Absence of quantum criticality and bulk 3D magnetism in green dioptase.

Polymorphism in Cu2ZnSnS4 and new off-stoichiometric crystal structure types (2017)
Journal Article
Bosson, C. J., Birch, M. T., Halliday, D. P., Tang, C. C., Kleppe, A. K., & Hatton, P. D. (2017). Polymorphism in Cu2ZnSnS4 and new off-stoichiometric crystal structure types. Chemistry of Materials, 29(22), 9829-9839. https://doi.org/10.1021/acs.chemmater.7b04010

Cu2ZnSnS4 (CZTS) is a very promising material for the absorber layer in sustainable thin-film solar cells. Its photovoltaic performance is currently limited by crystal structure disorder, which causes fluctuations in electrostatic potential that decr... Read More about Polymorphism in Cu2ZnSnS4 and new off-stoichiometric crystal structure types.

Magnetic damping phenomena in ferromagnetic thin-films and multilayers (2017)
Journal Article
Azzawi, S., Hindmarch, A., & Atkinson, D. (2017). Magnetic damping phenomena in ferromagnetic thin-films and multilayers. Journal of Physics D: Applied Physics, 50(47), Article 473001. https://doi.org/10.1088/1361-6463/aa8dad

Damped ferromagnetic precession is an important mechanism underpinning the magnetisation processes in ferromagnetic materials. In thin-film ferromagnets and ferromagnetic/non-magnetic multilayers, the role of precession and damping can be critical fo... Read More about Magnetic damping phenomena in ferromagnetic thin-films and multilayers.

Strong Coupling of Microwave Photons to Antiferromagnetic Fluctuations in an Organic Magnet (2017)
Journal Article
Mergenthaler, M., Liu, J., Le Roy, J. J., Ares, N., Thompson, A. L., Bogani, L., …Laird, E. A. (2017). Strong Coupling of Microwave Photons to Antiferromagnetic Fluctuations in an Organic Magnet. Physical Review Letters, 119(14), Article 147701. https://doi.org/10.1103/physrevlett.119.147701

Coupling between a crystal of di(phenyl)-(2,4,6-trinitrophenyl)iminoazanium radicals and a superconducting microwave resonator is investigated in a circuit quantum electrodynamics (circuit QED) architecture. The crystal exhibits paramagnetic behavior... Read More about Strong Coupling of Microwave Photons to Antiferromagnetic Fluctuations in an Organic Magnet.