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Cobalt( II )‐Nitronyl Nitroxide Chains as Molecular Magnetic Nanowires
Author(s) -
Caneschi Andrea,
Gatteschi Dante,
Lalioti Nikolia,
Sangregorio Claudio,
Sessoli Roberta,
Venturi Giovanni,
Vindigni Alessandro,
Rettori Angelo,
Pini Maria G.,
Novak Miguel A.
Publication year - 2001
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/1521-3773(20010504)40:9<1760::aid-anie17600>3.0.co;2-u
Subject(s) - condensed matter physics , magnetic relaxation , nitroxide mediated radical polymerization , nanowire , magnetic anisotropy , chemical physics , hysteresis , cobalt , molecular magnets , materials science , relaxation (psychology) , ising model , phase transition , magnetic hysteresis , anisotropy , chain (unit) , liquid helium , crystallography , chemistry , nanotechnology , helium , magnetization , magnetic field , polymerization , physics , polymer , organic chemistry , radical polymerization , psychology , social psychology , quantum mechanics , astronomy , metallurgy , composite material
Slow magnetic relaxation and hysteresis effects of dynamic origin have been observed above liquid helium temperature in a chain compound (see picture), comprising Co II centers and organic radicals, without any evidence of phase transition to three‐dimensional magnetic order. These results are the first evidence of the slow dynamics predicted for one‐dimensional magnetic systems with Ising anisotropy, and they open the possibility of storing information in a single magnetic nanowire.