Articles with "hexagonal perovskite" as a keyword



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High-Temperature Ferrimagnetism with Large Coercivity and Exchange Bias in the Partially Ordered 3d/5d Hexagonal Perovskite Ba2Fe1.12Os0.88O6

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Published in 2017 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.6b04983

Abstract: Double perovskite oxides A2BB′O6 combining 3d and 4d or 5d transition metal ions at the B and B′ sites feature a variety of magnetic and magneto-electric properties. Targeting Ba2FeOsO6, we synthesized powder samples of nonstoichiometric… read more here.

Keywords: temperature; exchange bias; hexagonal perovskite; 12os0 88o6 ... See more keywords
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Investigation of the Crystal Structure and Ionic Pathways of the Hexagonal Perovskite Derivative Ba3-xVMoO8.5-x.

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Published in 2021 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c01840

Abstract: The hexagonal perovskite derivatives Ba3NbMoO8.5, Ba3NbWO8.5, and Ba3VWO8.5 have recently been reported to exhibit significant oxide ion conductivity. Here, we report the synthesis and crystal structure of the hexagonal perovskite derivative Ba3-xVMoO8.5-x. Rietveld refinement from… read more here.

Keywords: crystal structure; ba3 xvmoo8; hexagonal perovskite; xvmoo8 ... See more keywords
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Hexagonal Perovskite Ba4Fe3NiO12 Containing Tetravalent Fe and Ni Ions.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b01618

Abstract: BaFe xNi1- xO3 with end members of BaNiO3 ( x = 0) and BaFeO3 ( x = 1), which, respectively, adopt the 2H and 6H hexagonal perovskite structures, were synthesized, and their crystal structures were… read more here.

Keywords: containing tetravalent; ba4fe3nio12; hexagonal perovskite; perovskite ba4fe3nio12 ... See more keywords
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High oxide ion and proton conductivity in a disordered hexagonal perovskite

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Published in 2020 at "Nature Materials"

DOI: 10.1038/s41563-020-0629-4

Abstract: Oxide ion and proton conductors, which exhibit high conductivity at intermediate temperature, are necessary to improve the performance of ceramic fuel cells. The crystal structure plays a pivotal role in defining the ionic conduction properties,… read more here.

Keywords: oxide ion; hexagonal perovskite; conductivity; ion ... See more keywords
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Magnetic clusters and ferromagnetic spin glass in the novel hexagonal perovskite 12R-Ba4SbMn3O12

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Published in 2023 at "RSC Advances"

DOI: 10.1039/d3ra00607g

Abstract: A 12-layer hexagonal perovskite Ba4SbMn3O12 (space group: R3̄m; a = 5.72733(3) Å, and c = 28.1770(3) Å) has been synthesized by high-temperature solid-state reactions and studied using powder X-ray and neutron diffraction and magnetization measurements.… read more here.

Keywords: ferromagnetic spin; ba4sbmn3o12; clusters ferromagnetic; magnetic clusters ... See more keywords