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Cover Picture: Ag II SO 4 : A Genuine Sulfate of Divalent Silver with Anomalously Strong One‐Dimensional Antiferromagnetic Interactions (Angew. Chem. Int. Ed. 9/2010)
Author(s) -
Malinowski Przemysław J.,
Derzsi Mariana,
Mazej Zoran,
Jagličić Zvonko,
Gaweł Bartłomiej,
Łasocha Wiesław,
Grochala Wojciech
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201000368
Subject(s) - antiferromagnetism , cover (algebra) , crystallography , sulfate , transition metal , divalent metal , divalent , chemistry , coupling (piping) , semiconductor , metal , condensed matter physics , inorganic chemistry , materials science , physics , metallurgy , catalysis , optoelectronics , organic chemistry , mechanical engineering , engineering
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 CuSO 4 (Dr. Jekyll). Unusually strong antiferromagnetic coupling persists up to the temperature at which AgSO 4 thermally decomposes (ca. 120 °C), which sets it apart from all other transition‐metal sulfates.