Antiferromagnetic ordering in the one-dimensional edge-sharing CuO2 chain system Ca2+xY2-xCu5O10

S. Kurogi; K. Kudo; T. Noji; Y. Koike; T. Nishizaki; N. Kobayashi

doi:10.1023/A:1022910126908

Antiferromagnetic ordering in the one-dimensional edge-sharing CuO₂ chain system Ca_2+xY_2-xCu₅O₁₀

S. Kurogi, K. Kudo, T. Noji, Y. Koike, T. Nishizaki, N. Kobayashi

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

4 Citations (Scopus)

Abstract

We have investigated the spin state of the one-dimensional edge-sharing chain system Ca_2+x Y_2-x Cu₅ O₁₀ with 0 ≤ x ≤ 1.667 by means of the magnetic susceptibility and specific heat measurements, using the large-size single-crystals. It has been found that the magnetic ground state is an antiferromagnetically ordered state for 0 ≤ x ≤ 1.0, while a spin-gap state seems to be formed for x ≥ 1.5. Accordingly, it appears that the quantum critical point is located between x = 1.0 and 1.5 in Ca_2+x Y_2-x Cu₅ O₁₀.

Original language	English
Pages (from-to)	353-357
Number of pages	5
Journal	Journal of Low Temperature Physics
Volume	131
Issue number	3-4
DOIs	https://doi.org/10.1023/A:1022910126908
Publication status	Published - May 2003
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

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title = "Antiferromagnetic ordering in the one-dimensional edge-sharing CuO2 chain system Ca2+xY2-xCu5O10",

abstract = "We have investigated the spin state of the one-dimensional edge-sharing chain system Ca2+x Y2-x Cu5 O10 with 0 ≤ x ≤ 1.667 by means of the magnetic susceptibility and specific heat measurements, using the large-size single-crystals. It has been found that the magnetic ground state is an antiferromagnetically ordered state for 0 ≤ x ≤ 1.0, while a spin-gap state seems to be formed for x ≥ 1.5. Accordingly, it appears that the quantum critical point is located between x = 1.0 and 1.5 in Ca2+x Y2-x Cu5 O10.",

author = "S. Kurogi and K. Kudo and T. Noji and Y. Koike and T. Nishizaki and N. Kobayashi",

year = "2003",

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T1 - Antiferromagnetic ordering in the one-dimensional edge-sharing CuO2 chain system Ca2+xY2-xCu5O10

AU - Kurogi, S.

AU - Kudo, K.

AU - Noji, T.

AU - Koike, Y.

AU - Nishizaki, T.

AU - Kobayashi, N.

PY - 2003/5

Y1 - 2003/5

N2 - We have investigated the spin state of the one-dimensional edge-sharing chain system Ca2+x Y2-x Cu5 O10 with 0 ≤ x ≤ 1.667 by means of the magnetic susceptibility and specific heat measurements, using the large-size single-crystals. It has been found that the magnetic ground state is an antiferromagnetically ordered state for 0 ≤ x ≤ 1.0, while a spin-gap state seems to be formed for x ≥ 1.5. Accordingly, it appears that the quantum critical point is located between x = 1.0 and 1.5 in Ca2+x Y2-x Cu5 O10.

AB - We have investigated the spin state of the one-dimensional edge-sharing chain system Ca2+x Y2-x Cu5 O10 with 0 ≤ x ≤ 1.667 by means of the magnetic susceptibility and specific heat measurements, using the large-size single-crystals. It has been found that the magnetic ground state is an antiferromagnetically ordered state for 0 ≤ x ≤ 1.0, while a spin-gap state seems to be formed for x ≥ 1.5. Accordingly, it appears that the quantum critical point is located between x = 1.0 and 1.5 in Ca2+x Y2-x Cu5 O10.

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Antiferromagnetic ordering in the one-dimensional edge-sharing CuO₂ chain system Ca_2+xY_2-xCu₅O₁₀

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