Exotic antiferromagnetic transition in deformed pyrochlore lattice Ni2(OH)3Cl of atacamite-structure

X. G. Zheng, M. Hagihala, K. Nishiyama, Tatsuya Kawae

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

As a part of an extensive study on the new geometric frustration series M2(OH)3X on deformed pyrochlore lattice, we have found an exotic antiferromagnetic order in atacamite-structure Ni2(OH)3Cl. Strong frustration exists in Ni2(OH)3Cl with antiferromagnetic transition below TN=4 K. While neutron diffraction witnessed unambiguously a long-range order, there is no signature of an order as detected by μSR. Instead, the detected local field is dynamically fluctuating at zero field. The present material may exemplify a novel type of antiferromagnetic order recently predicted for Heisenberg spins on pyrochlore lattice, wherein the squared Fourier amplitude orders but the amplitude itself fluctuates rapidly.

Original languageEnglish
Pages (from-to)677-679
Number of pages3
JournalPhysica B: Condensed Matter
Volume404
Issue number5-7
DOIs
Publication statusPublished - Apr 15 2009

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Neutron diffraction
frustration
neutron diffraction
signatures
pyrochlore
atacamite

All Science Journal Classification (ASJC) codes

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

Cite this

Exotic antiferromagnetic transition in deformed pyrochlore lattice Ni2(OH)3Cl of atacamite-structure. / Zheng, X. G.; Hagihala, M.; Nishiyama, K.; Kawae, Tatsuya.

In: Physica B: Condensed Matter, Vol. 404, No. 5-7, 15.04.2009, p. 677-679.

Research output: Contribution to journalArticle

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