Search Results - "MORRISON, Finlay D"

Azetidinium Lead Halide Ruddlesden–Popper Phases by Tian, Jiyu, Zysman-Colman, Eli, Morrison, Finlay D.

“…A family of Ruddlesden–Popper (n = 1) layered perovskite-related phases, Az2PbClxBr4−x with composition 0 ≤ x ≤ 4 were obtained using mechanosynthesis. These…”
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Relaxor-to-Ferroelectric Crossover and Disruption of Polar Order in “Empty” Tetragonal Tungsten Bronzes by Gardner, Jonathan, Yu, Fengjiao, Tang, Chiu, Kockelmann, Winfried, Zhou, Wuzong, Morrison, Finlay D

“…Combined temperature dependent structural and electrical characterization of a series of “empty” ferroelectric tetragonal tungsten bronzes (TTBs) of…”
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Structural, magnetic and electrical properties of the hexagonal ferrites MFeO3 (M=Y, Yb, In) by Downie, Lewis J., Goff, Richard J., Kockelmann, Winfried, Forder, Sue D., Parker, Julia E., Morrison, Finlay D., Lightfoot, Philip

“…The hexagonal ferrites MFeO3 (M=Y, Yb, In) have been studied using a combination of neutron and X-ray powder diffraction, magnetic susceptibility, dielectric…”
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Towards novel multiferroic and magnetoelectric materials: dipole stability in tetragonal tungsten bronzes by Rotaru, Andrei, Miller, Andrew J., Arnold, Donna C., Morrison, Finlay D.

“…We discuss the strategy for development of novel functional materials with the tetragonal tungsten bronze structure. From the starting composition Ba6GaNb9O30,…”
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Magnetically Driven Dielectric and Structural Behavior in Bi0.5La0.5FeO3 by Kavanagh, Christopher M, Goff, Richard J, Daoud-Aladine, Aziz, Lightfoot, Philip, Morrison, Finlay D

“…A detailed structural analysis of the antiferromagnetic (G z -type) lanthanum doped bismuth ferrite - Bi0.5La0.5FeO3 (Pn′ma′) – using variable-temperature…”
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Novel high capacitance materials: BaTiO3:La and CaCu3Ti4O12 by WEST, Anthony R, ADAMS, Timothy B, MORRISON, Finlay D, SINCLAIR, Derek C

“…A review is given of the origins of high permittivity in two groups of materials, La-doped BaTiO3 and a new barrier layer capacitor material, CaCu3Ti4O12…”
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Characterization of Lanthanum-Doped Barium Titanate Ceramics Using Impedance Spectroscopy by Morrison, Finlay D., Sinclair, Derek C., West, Anthony R.

“…The electrical properties of two single‐phase, lanthanum‐doped BaTiO3 compositions, x= 0.03 and x= 0.20, in Ba1–xLaxTi1–x/4O3 were investigated by impedance…”
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Leakage and Proton Conductivity in the Predicted Ferroelectric CsBiNb2O7 by Goff, Richard J, Keeble, Dean, Thomas, Pamela A, Ritter, Clemens, Morrison, Finlay D, Lightfoot, Philip

“…The layered perovskite CsBiNb2O7 has been reinvestigated in the light of recent predictions of ferroelectric behavior. Variable temperature powder neutron…”
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Manipulation of polar order in the “empty” tetragonal tungsten bronzes: Ba4-xSrxDy0.67□1.33Nb10O30, x = 0, 0.25, 0.5, 1, 2, 3 by Gardner, Jonathan, Morrison, Finlay D.

“…A series of “empty” tetragonal tungsten bronze (TTB) ferroelectrics, Ba4-xSrxDy0.67□1.33Nb10O30 (x = 0, 0.25, 0.5, 1, 2, 3; □ = vacancy), is reported. With…”
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Ferroelectric-paraelectric transition in BiFeO3: crystal structure of the orthorhombic beta phase by Arnold, Donna C, Knight, Kevin S, Morrison, Finlay D, Lightfoot, Philip

“…A detailed investigation using variable temperature powder neutron diffraction demonstrates that BiFeO3 undergoes a phase transition from the ferroelectric…”
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Compositional Variation in Hybrid Organic–Inorganic Lead Halide Perovskites: Kinetically versus Thermodynamically Controlled Synthesis by Tian, Jiyu, Zysman-Colman, Eli, Morrison, Finlay D

“…The formation and study of partial solid solutions in Az1–x FA x PbBr3, using reportedly similar-sized cations azetidinium (Az+) and formamidinium (FA+), were…”
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An Alternative Explanation for the Origin of the Resistivity Anomaly in La-Doped BaTiO3 by Morrison, Finlay D., Sinclair, Derek C., West, Anthony R.

“…Semiconductivity in La‐doped BaTiO3 ceramics after high‐temperature firing, e.g., 1350°C in air, is attributed to oxygen nonstoichiometry. In more heavily…”
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Progressive Polytypism and Bandgap Tuning in Azetidinium Lead Halide Perovskites by Tian, Jiyu, Cordes, David B, Slawin, Alexandra M. Z, Zysman-Colman, Eli, Morrison, Finlay D

“…Mixed halide azetidinium lead perovskites AzPbBr3–x X x (X = Cl or I) were obtained by mechanosynthesis. With varying halide composition from Cl– to Br– to I–,…”
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Polarity and Ferromagnetism in Two-Dimensional Hybrid Copper Perovskites with Chlorinated Aromatic Spacers by Han, Ceng, Bradford, Alasdair J, McNulty, Jason A, Zhang, Weiguo, Halasyamani, P. Shiv, Slawin, Alexandra M. Z, Morrison, Finlay D, Lee, Stephen L, Lightfoot, Philip

“…Two-dimensional (2D) organic–inorganic hybrid copper halide perovskites have drawn tremendous attention as promising multifunctional materials. Herein, by…”
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Incommensurate–Commensurate Transition in the Geometric Ferroelectric LaTaO4 by Howieson, Grant W., Wu, Shitao, Gibbs, Alexandra S., Zhou, Wuzong, Scott, James F., Morrison, Finlay D.

“…The layered perovskite LaTaO4 has been synthesized to be stable in both (polar) orthorhombic and (nonpolar) monoclinic polymorphs at ambient conditions…”
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Local Structure and Order–Disorder Transitions in “Empty” Ferroelectric Tetragonal Tungsten Bronzes by McNulty, Jason A, Pesquera, David, Gardner, Jonathan, Rotaru, Andrei, Playford, Helen Y, Tucker, Matthew G, Carpenter, Michael A, Morrison, Finlay D

“…The “empty” tetragonal tungsten bronze Ba4La0.67□1.33Nb10O30 displays both relaxor-like and normal dielectric anomalies as a function of temperature; the…”
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Polar Ferromagnet Induced by Fluorine Positioning in Isomeric Layered Copper Halide Perovskites by Han, Ceng, McNulty, Jason A, Bradford, Alasdair J, Slawin, Alexandra M. Z, Morrison, Finlay D, Lee, Stephen L, Lightfoot, Philip

“…We present the influence of positional isomerism on the crystal structure of fluorobenzyl­ammonium copper­(II) chloride perovskites A2CuCl4 by incorporating…”
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Enhanced Photoluminescence and Reduced Dimensionality via Vacancy Ordering in a 10H Halide Perovskite by Liu, Hang, Hafeez, Hassan, Cordes, David B., Slawin, Alexandra M. Z., Peters, Gavin, Lee, Stephen L., Samuel, Ifor D. W., Morrison, Finlay D.

“…Vacancy-ordered halide perovskites have received great interest in optoelectronic applications. In this work, we report the novel inorganic halide…”
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Thermal evolution of the crystal structure of the orthorhombic perovskite LaFeO3 by Dixon, Charlotte A.L., Kavanagh, Christopher M., Knight, Kevin S., Kockelmann, Winfried, Morrison, Finlay D., Lightfoot, Philip

“…The thermal evolution of the crystal structure of the prototypical orthorhombic perovskite LaFeO3 has been studied in detail by powder neutron diffraction in…”
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Energetics of Donor-Doping, Metal Vacancies, and Oxygen-Loss in A-Site Rare-Earth-Doped BaTiO3 by Freeman, Colin L., Dawson, James A., Chen, Hung-Ru, Ben, Liubin, Harding, John H., Morrison, Finlay D., Sinclair, Derek C., West, Anthony R.

“…The energetics of La‐doping in BaTiO3 are reported for both (electronic) donor‐doping with the creation of Ti3+ cations and ionic doping with the creation of…”
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