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

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

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

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

Research output: Contribution to journal › Article › peer-review

59 Citations (Scopus)

Abstract

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.

Original language	English
Article number	086402
Pages (from-to)	864021-864024
Number of pages	4
Journal	Physical Review Letters
Volume	87
Issue number	8
Publication status	Published - 2001 Aug 20
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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"Devil's staircase"-type phase transition in NaV₂O₅ under high pressure. / Ohwada, K.; Fujii, Y.; Takesue, N.; Isobe, M.; Ueda, Y.; Nakao, H.; Wakabayashi, Yusuke; Murakami, Y.; Ito, K.; Amemiya, Y.; Fujihisa, H.; Aoki, K.; Shobu, T.; Noda, Y.; Ikeda, N.

In: Physical Review Letters, Vol. 87, No. 8, 086402, 20.08.2001, p. 864021-864024.

Research output: Contribution to journal › Article › peer-review

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abstract = "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.",

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AU - Ohwada, K.

AU - Fujii, Y.

AU - Takesue, N.

AU - Isobe, M.

AU - Ueda, Y.

AU - Nakao, H.

AU - Wakabayashi, Yusuke

AU - Murakami, Y.

AU - Ito, K.

AU - Amemiya, Y.

AU - Fujihisa, H.

AU - Aoki, K.

AU - Shobu, T.

AU - Noda, Y.

AU - Ikeda, N.

PY - 2001/8/20

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