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38 papers · 2 filters
Magnetic order in 4-layered Aurivillius Phases
Axiel Yaël Birenbaum, Andrea Scaramucci, Claude Ederer
We determine the viability of 4-layered Aurivillius phases to exhibit long-range magnetic order above room temperature. We use Monte Carlo simulations to calculate transition tempe…
Intrinsic Ferromagnetism in the Diluted Magnetic Semiconductor Co:TiO
H. Saadaoui, X. Luo, Z. Salman +15
Here we present a study of magnetism in \CTO\ anatase films grown by pulsed laser deposition under a variety of oxygen partial pressures and deposition rates. Energy-dispersive spe…
Strain-controlled responsiveness of slave half-doped manganite La0.5Sr0.5MnO3 layers inserted in BaTiO3 ferroelectric tunnel junctions
Greta Radaelli, Diego Gutiérrez, Mengdi Qian +7
Insertion of layers displaying field-induced metal-to-insulator (M/I) transition in ferroelectric tunnel junctions (FTJs) has received attention as a potentially useful way to enla…
Electronic structure of buried LaNiO3 layers in (111)-oriented LaNiO3/LaMnO3 superlattices probed by soft x-ray ARPES
F. Y. Bruno, M. Gibert, S. McKeown Walker +10
Taking advantage of the large electron escape depth of soft x-ray angle resolved photoemission spectroscopy we report electronic structure measurements of (111)-oriented [LaNiO3/La…
Multiferroic magnetic spirals induced by random magnetic exchanges
Andrea Scaramucci, Hiroshi Shinaoka, Maxim V. Mostovoy +4
Multiferroism can originate from the breaking of inversion symmetry caused by magnetic-spiral order. The usual mechanism for stabilizing a magnetic spiral is competition between ma…
Single crystal growth, structure and magnetic properties of Pr2Hf2O7 pyrochlore
Monica Ciomaga Hatnean, Romain Sibille, Martin R. Lees +4
Large single crystals of the pyrochlore Pr2Hf2O7 have been successfully grown by the floating zone technique using an optical furnace equipped with high power Xenon arc lamps. Stru…