Impurity-induced antiferromagnetic order in organic spin-Peierls compound p-CyDOV

The doping effect of magnetic impurity ( p-CyDTV) on an organic radical spin-Peierls (SP) compound p-CyDOV ( T SP =15.0 K ) has been studied by heat capacity measurement of the doped crystals ( p-CyDOV) 1− x ( p-CyDTV) x . The antiferromagnetic transition was observed at T N=0.135, 0.290 and 0.164 K...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2003-05, Vol.329, p.1150-1151
Main Authors: Mito, Masaki, Tanaka, Shuichi, Kawae, Tatsuya, Takeda, Kazuyoshi, Yanagimoto, Masanobu, Mukai, Kazuo
Format: Article
Language:English
Subjects:
Antiferromagnetic order
CuGeO 3
Magnetic impurity
p-CyDOV
Spin-Peierls state
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Summary:The doping effect of magnetic impurity ( p-CyDTV) on an organic radical spin-Peierls (SP) compound p-CyDOV ( T SP =15.0 K ) has been studied by heat capacity measurement of the doped crystals ( p-CyDOV) 1− x ( p-CyDTV) x . The antiferromagnetic transition was observed at T N=0.135, 0.290 and 0.164 K for the crystals with x=0, 0.01 and 0.07, respectively. In the low doping region of x=0 and 0.01, the antiferromagnetic order and the spin-Peierls state coexist, and at x=0.07 the single phase of antiferromagnetic order is realized. The doping effect showed the similarity with that for an inorganic SP compound CuGeO 3.
ISSN:0921-4526
1873-2135
DOI:10.1016/S0921-4526(02)02052-5