Cover Picture: AgIISO4: A Genuine Sulfate of Divalent Silver with Anomalously Strong One-Dimensional Antiferromagnetic Interactions (Angew. Chem. Int. Ed. 9/2010)
Journal article published in 2010 by
Przemysław J. Malinowski,
Mariana Derzsi 
,
Zoran Mazej,
Zvonko Jagličić,
Bartłomiej Gaweł,
Wiesław Łasocha,
Wojciech Grochala
,
Zoran Mazej,
Zvonko Jagličić,
Bartłomiej Gaweł,
Wiesław Łasocha,
Wojciech Grochala
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Abstract
Deep-black AgSO4 (Mr. Hyde) is a narrow-bandgap semiconductor and an extremely strong oxidant. W. Grochala and co-workers show in their Communication on page 1683 ff. that it differs in all important physicochemical properties from its lighter congener, unreactive colorless CuSO4 (Dr. Jekyll). Unusually strong antiferromagnetic coupling persists up to the temperature at which AgSO4 thermally decomposes (ca. 120 °C), which sets it apart from all other transition-metal sulfates.