Giant coercivity in a one-dimensional cobalt-radical coordination magnet.
A metal-radical polymer [Co(hfac)2.BPNN] showed a very large coercive field of 52 kOe (4.1 MA m-1) at 6 K, indicating that it is the hardest magnet ever reported. Above 10 K, a soft character appeared, owing to the fast dynamics of magnetization reorientation.
Ishii
Norio
N
Department of Applied Physics and Chemistry and Course of Coherent Optical Science, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan. ishi@pc.uec.ac.jp
Okamura
Yoshitomo
Y
Chiba
Susumu
S
Nogami
Takashi
T
Ishida
Takayuki
T
D003035:Cobalt; D008280:Magnetics; D015394:Molecular Structure; D009942:Organometallic Compounds / Q000737:chemistry
D009942:Organometallic Compounds; D003035:Cobalt