Pressure effect of an S = 1 haldane compound NDMAZ

Masaki Mito, Hironori Akama, Yoichi Hirata, Masako Hitaka, Tatsuya Kawae, Kazuyoshi Takeda, Toshio Manabe, Masahiro Yamashita

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


We measured the heat capacity of an S = 1 Haldane compound NDMAZ under the pressure to investigate the three-dimensional magnetic ordering due to the anisotropy (D) and/or the interchain interaction. However, the experimental result shows that the Haldane gap (Δ) has been enhanced by the pressure and the magnetic ordering has not been observed. The remarkable increase of intrachain interaction (J) by the pressure will lead to the enhancement of Δ. We also discuss about the pressure-induced changes of Δ/|J| and D/|J| in this Haldane compound.

Original languageEnglish
Pages (from-to)1498-1502
Number of pages5
Journaljournal of the physical society of japan
Issue number5
Publication statusPublished - May 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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