Exploring the A+B5+O3 compounds*
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Structural and electrical properties of Bi<inf>3</inf>GaSb<inf>2</inf>O<inf>11</inf> at high temperatures
2024, Journal of Solid State ChemistryHigh pressure studies of transition metal oxides
2023, Comprehensive Inorganic Chemistry III, Third EditionTwo new cubic perovskite oxides Ba<inf>3</inf>CoSb<inf>2</inf>O<inf>9</inf> and Ba<inf>2</inf>SrCoSb<inf>2</inf>O<inf>9</inf>: Syntheses, crystal structures and magnetic properties
2023, Journal of Solid State ChemistryCitation Excerpt :6HA Ba3CoSb2O9 is indeed one of the best known experimental realization of equilateral triangular-lattice antiferromagnet with effective spin Seff = 1/2 at low temperatures [3]. The unfavorable Sb5+-Sb5+ electrostatic repulsion in these 6HA structures is compensated by atom displacement from ideal positions and by a 90° Sb–O–Sb covalent bond [10,11]. The electrostatic repulsive force between 4d10 Sb5+ cations in face-shared octahedra is nonetheless expected to make hexagonal 6HA polytypes relatively unstable.
Structural and dielectric characterization of triple perovskites Ba<inf>3</inf>NiTaNbO<inf>9</inf> and Ba<inf>3</inf>NiTaSbO<inf>9</inf>
2021, Journal of Alloys and CompoundsThe nature of Bi<sup>3+</sup> luminescence in the double perovskite, La<inf>2</inf>LiSbO<inf>6</inf>
2017, Journal of LuminescenceCitation Excerpt :However, unlike nd0 ions such as Nb5+ and Ta5+, the Sb5+ ion resists the formation of 1800 Sb5+-O2- -Sb5+ linkages [12]. This relates to the inability of Sb5+ to form π-bonding which stabilizes the 1800 B-O-B linkages [12,13]. Instead, the stronger covalent bonding that is anticipated in the absence of π-bonding favors edge sharing of the octahedral moieties and the formation of 900 B–O–B bonds [12].
Computational Screening of All Stoichiometric Inorganic Materials
2016, ChemCitation Excerpt :An example is the case of NaSbO3, for which t = 0.92 is commensurate with the formation of cubic perovskite but which forms the non-perovskite ilmenite structure. Goodenough and Kafalas51 explained this deviation as a result of strong σ bonding between Sb and O. This procedure demonstrates the power of searching through materials on the basis of structural analogy.
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This work was sponsored by the Department of the Air Force.