Pressure dependent diffraction and spectroscopy of a dimerized antiferromagnet

M. B. Stone, C. A. Tulk, A. Dos Santos, J. J. Molaison, S. Chang, J. B. Leao, E. C. Samulon, M. C. Shapiro, I. R. Fisher

Research output: Contribution to journalArticlepeer-review

Abstract

We present pressure dependent neutron diffraction and inelastic neutron scattering measurements of the dimerized antiferromagnet Ba 3Mn 2O 8. The room temperature diffraction measurements reveal a linear decrease in lattice constant as a function of applied pressure. No structural transitions are observed. The low-temperature neutron spectroscopy measurements indicate a small change in magnetic scattering intensity in the vicinity of the spin gap for pressures up to P = 0.6 Gpa.

Original languageEnglish
Article numberSB005
JournalJournal of the Physical Society of Japan
Volume80
Issue numberSUPPL. B
DOIs
StatePublished - Dec 2011

Keywords

  • Antiferromagnet
  • Neutron scattering
  • Pressure effect
  • Spin-dimers

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