TITLE

Observation of spin-glass behavior in antiperovskite compound SnCFe3

AUTHOR(S)
Wang, B. S.; Tong, P.; Sun, Y. P.; Zhu, X. B.; Yang, Z. R.; Song, W. H.; Dai, J. M.
PUB. DATE
July 2010
SOURCE
Applied Physics Letters;7/26/2010, Vol. 97 Issue 4, p042508
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We investigated the physical properties of antiperovskite compound SnCFe3 by comprehensive magnetic measurements. The strong irreversibility is clearly observed from zero-field-cooled and field-cooled magnetizations. The peaks of ac susceptibility display strong dependences on the frequency and magnetic field. Both the magnetic relaxation effects and related analysis indicate a typical spin-glass (SG) behavior in SnCFe3. The corresponding characteristic parameters are obtained: the freezing temperature T0=20.3 K, the dynamical exponent zν=9.441, and the flipping time τ0=2.42×10-11 s. Furthermore, the Sn deficiency affects significantly the SG behavior and results in a sharp decrease in T0.
ACCESSION #
52616437

 

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