Magnetic phase transition of high-pressure phase (VO)2P 2O7 studied by high-field ESR measurements

K. Hiraka, Y. Nagasaka, T. Kunimoto, Y. Inagaki, S. Okubo, H. Ohta, T. Saito, M. Azuma, M. Takano

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Abstract

The high-pressure phase of (VO)2P2O7 (HP-VOPO) is a S = 1/2 Heisenberg antiferromagnetic alternating chain compound with one spin gap. The high-field ESR measurements of the HP-VOPO single crystal have been performed using the pulsed magnetic field up to 30 T. Small anomaly is observed in ESR mode for both a- and b-axis. The linewidth became broad around Bc = 20 T when the field is applied along the a- and b-axis. The magnetic state of HP-VOPO above Bc will be discussed.

Original languageEnglish
Pages (from-to)e1675-e1676
JournalJournal of Magnetism and Magnetic Materials
Volume272-276
Issue numberSUPPL. 1
DOIs
Publication statusPublished - May 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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