Barium ruthenate: A high-yield, easy-to-handle perovskite catalyst for the oxidation of sulfides

Top: Schematic representations of the face-sharing unit in rhombohedral BaRuO3 and corner-sharing unit in tetragonal RuO2, cubic SrRuO3, and orthorhombic CaRuO3. Bottom: Scanning electron microscope (SEM) image of BaRuO3. Image: Keigo Kamata

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