Coexisting ferromagnetic order and disorder in a uniform system of hydroxyhalide Co2(OH)3Cl

X. G. Zheng, Tatsuya Kawae, H. Yamada, K. Nishiyama, C. N. Xu

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47 Citations (Scopus)

Abstract

Order or disorder often exists in a uniform spin system consisting of one kind of magnetic ion. Nevertheless, they rarely coexist in normal conditions. Our thermodynamic and microscopic magnetic studies of Co2(OH)3Cl, a distorted tetrahedral lattice compound with uniform Co2+ spin, demonstrate that the spins located on one corner of the tetrahedron are periodically ordered, but those on the other three are disordered below a ferromagnetic transition at TC=10.5K. The partial order resembles that of the field-induced "kagomé-ice" state in spin ice pyrochlore compounds. Evidence suggests that a distortion in the tetrahedron is responsible for this partial ferromagnetic order in a zero field.

Original languageEnglish
Article number247204
JournalPhysical Review Letters
Volume97
Issue number24
DOIs
Publication statusPublished - Dec 21 2006

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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