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Pressure-induced magnetic ordering in KCuCl 3

Kakurai, K. ; Osakabe, T. ; Goto, K. ; Oosawa, A. ; Fujisawa, M. ; Tanaka, H.

Physica. B, Condensed matter, 2006, Vol.385, p.450-452 [Periódico revisado por pares]

Elsevier B.V

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  • Título:
    Pressure-induced magnetic ordering in KCuCl 3
  • Autor: Kakurai, K. ; Osakabe, T. ; Goto, K. ; Oosawa, A. ; Fujisawa, M. ; Tanaka, H.
  • Assuntos: Magnetic structure ; Quantum spin system ; Singlet ground state
  • É parte de: Physica. B, Condensed matter, 2006, Vol.385, p.450-452
  • Descrição: KCuCl 3 is a singlet ground state system with excitation gap Δ of 31 K. The magnetization measurements under applied hydrostatic pressure show the existence of the magnetic order above the critical pressure P c=8.8 kbar. We report here on the first neutron diffraction observation of the pressure-induced antiferromagnetic ordering in KCuCl 3 under hydrostatic pressure of 11 kbar. The magnetic structure will be discussed and compared with the pressure-induced magnetic order observed in TlCuCl 3, an isostructural three dimensionally coupled dimer system.
  • Editor: Elsevier B.V
  • Idioma: Inglês

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