Magnetic properties of bond-alternating quantum spin chain system: (CH 3)2NH2CuX3 (X = Cl, Br)

Y. Ajiro, K. Takeo, Y. Inagaki, T. Asano, A. Shimogai, M. Mito, T. Kawae, K. Takeda, T. Sakon, H. Nojiri, M. Motokawa

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Abstract

Magnetic properties of ferromagnetic (F) and antiferromagnetic (AF) bond alternating quantum spin chain system, DMACuX3 where X = Cl, Br and DMA = (CH3)2NH2, are reported. The most prominent result is that for Cl-compound we observed the unusual mixed state in which S = 1 and 0 dimers coexist evenly due to frustrated situation in the presence of comparable F and AF couplings. For Br-compound, it is shown from the susceptibility measurements that an AF coupling is dominant and it provides an example of simple dimer-limit.

Original languageEnglish
Pages (from-to)1008-1009
Number of pages2
JournalPhysica B: Condensed Matter
Volume329-333
Issue numberII
DOIs
Publication statusPublished - May 2003

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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