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Weakly Ferromagnetic Ordered Mesoporous Co 3 O 4 Synthesized by Nanocasting from Vinyl‐Functionalized Cubic Ia 3 d Mesoporous Silica
Author(s) -
Wang Y.,
Yang C.M.,
Schmidt W.,
Spliethoff B.,
Bill E.,
Schüth F.
Publication year - 2005
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200400777
Subject(s) - materials science , mesoporous material , mesoporous silica , cobalt , chemical engineering , ferromagnetism , oxide , cobalt oxide , nanotechnology , organic chemistry , catalysis , metallurgy , condensed matter physics , chemistry , physics , engineering
Ordered, mesoporous cobalt oxide was synthesized via a nanocasting pathway from organically modified large‐pore Ia 3 d silica. A replica structure could be obtained, which shows weak magnetic ordering at low temperatures due to the small size of the individual Co 3 O 4 domains forming the mesostructure.