"Devil's staircase"-type phase transition in NaV2O5 under high pressure

K. Ohwada, Y. Fujii, N. Takesue, M. Isobe, Y. Ueda, H. Nakao, Y. Wakabayashi, Y. Murakami, K. Ito, Y. Amemiya, H. Fujihisa, K. Aoki, T. Shobu, Y. Noda, N. Ikeda

研究成果査読

58 被引用数 (Scopus)

抄録

A synchrotron radiation x-ray diffraction analysis was performed to study the devil's staircase type phase transition in quarter-filled spin-ladder NaV2O5 compound. The analysis was performed at low temperature and high pressure conditions. The axial next nearest neighbour Ising (ANNNI) model was used to reproduce the observed temperature and pressure dependence of modulation wave number. The analysis suggested that the proposed model efficiently described the phase transition of the complicated charge-lattice-spin coupled NaV2O5 system.

本文言語English
論文番号086402
ページ(範囲)864021-864024
ページ数4
ジャーナルPhysical Review Letters
87
8
出版ステータスPublished - 8月 20 2001
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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