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Pressure-induced magnetic ordering in KCuCl3

✍ Scribed by K. Kakurai; T. Osakabe; K. Goto; A. Oosawa; M. Fujisawa; H. Tanaka

Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 239 KB
Volume: 385-386
Category: Article
ISSN: 0921-4526
DOI: 10.1016/j.physb.2006.05.237

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✦ Synopsis

KCuCl 3 is a singlet ground state system with excitation gap D of 31 K. The magnetization measurements under applied hydrostatic pressure show the existence of the magnetic order above the critical pressure P c ¼ 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.

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