Field-induced antiferromagnetism and competition in the metamagnetic state of terbium gallium garnet

K. Kamazawa, Despina Louca, R. Morinaga, T. J. Sato, Q. Huang, J. R.D. Copley, Y. Qiu

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

The magnetic properties of the hyperkagome system of Tb3 Ga5 O12 have been investigated by neutron scattering. Evidence of antiferromagnetic long-range order of the Tb moments at TN ≤0.35K in zero field is provided. With the application of magnetic field in the paramagnetic phase, ferromagnetic peaks initially appear at nuclear Bragg reflections. With the field higher than 3 Tesla, antiferromagnetic Bragg peaks appear as well indicating that the low-temperature magnetic phase extends well beyond the phase boundary, into the paramagnetic phase, with field. The new magnetic symmetry sets in at the metamagnetic transition in this system.

Original languageEnglish
Article number064412
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume78
Issue number6
DOIs
Publication statusPublished - 2008 Aug 13
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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