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          Institute: MPI für Festkörperforschung     Collection: FKF Publikationen 2004     Display Documents



  history
ID: 192978.0, MPI für Festkörperforschung / FKF Publikationen 2004
Investigation of the magneto-structural phase transition in [1-benzyl-4-aminopyridinium] [bis(maleonitriledithiolato)nickelate]
Authors:Ren, X.-M.; Kremer, R. K.; Meng, Q. J.
Language:English
Date of Publication (YYYY-MM-DD):2004
Title of Journal:Journal of Magnetism and Magnetic Materials
Volume:272-276
Start Page:924
End Page:926
Review Status:not specified
Audience:Not Specified
Abstract / Description:[1-benzyl-4-aminopyridinium][bis(maleonitriledithiolato)nickelate]
contains [ni(mnt)(2)](2) (S= 1/2) tetramer units. It shows an unusual
transition to a nonmagnetic ground state associated with a structural
phase transition at T-c = 189 K. Based on the determination of the
single crystal structure and the analysis of the temperature dependence
of the magnetic susceptibility, we suggest the structural phase
transition significantly enhances the afm coupling within a tetramer
and thus drives the system towards a spin singlet ground state. (C)
2004 Elsevier B.V. All rights reserved.
Free Keywords:bis(maleonitriledithiolato)nickelate (III) compound; tetramer spin
cluster; magneto-structural phase transition
External Publication Status:published
Document Type:Article
Communicated by:Michaela Asen-Palmer
Affiliations:MPI für Festkörperforschung
External Affiliations:Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany.
; Anqing Normal Coll, Dept Chem, Anqing 246011, Peoples R China.
; Nanjing Univ, Inst Coordinat Chem, Nanjing 210093, Peoples R China.
Identifiers:ISI:000222236700078 [ID No:1]
ISSN:0304-8853 [ID No:2]
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