Monoclinic distortion in the insulating phase of PrNiO3

Takashi Saito, Masaki Azuma, Eiji Nishibori, Masaki Takata, Makoto Sakata, Noriaki Nakayama, Takahisa Arima, Tsuyoshi Kimura, Chiharu Urano, Mikio Takano

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


Single crystals of PrNiO3 perovskite were grown under 4.5 GPa with NaCl and K.Cl flux. The electron diffraction and single crystal synchrotron X-ray diffraction experiments clearly detected the presence of a monoclinic distortion (space group P21/n) below the metal-insulator transition temperature TMI, which implies the splitting of the Ni sites in the crystal in the insulating state.

Original languageEnglish
Pages (from-to)866-867
Number of pages2
JournalPhysica B: Condensed Matter
Issue numberII
Publication statusPublished - 2003 May


  • Charge disproportionation
  • Crystal structure
  • Metal-insulator transition
  • Single crystal


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